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Dan Harris @roostweather.bsky.social · 15m

Yesterday's (2nd Oct) daily #sunshine totals from SYNOP observations. #Shoeburyness, Landwick was the sunniest location with 10.0 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 12h

Today's (2nd October) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Chertsey, Abbey Mead P Sta was the warmest location with a max #temperature of 23.0C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 21h

2nd October minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Santon Downham was the coldest low-level (<=300m) location with a min #temperature of 4.2C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 02/10/2026

Yesterday's (1st Oct) daily #sunshine totals from SYNOP observations. #Ronaldsway was the sunniest location with 10.1 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 01/10/2026

Today's (1st October) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Kew Gardens was the warmest location with a max #temperature of 23.1C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 01/10/2026

1st October minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Tain Range was the coldest low-level (<=300m) location with a min #temperature of 3.9C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 01/10/2026

Yesterday's (30th Sep) daily #sunshine totals from SYNOP observations. #Aberdaron was the sunniest location with 9.4 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 30/09/2026

Today's (30th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Cambridge, Niab was the warmest location with a max #temperature of 26.3C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 30/09/2026

#September2026 mean #temperatures and anomalies, estimated for individual 03xxx sites from SYNOP reports. 1 missing ob per site allowed. The estimated UK-wide mean #temperature is 15.1C www.roostweather.com/ukobs/temp_mon…

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Dan Harris @roostweather.bsky.social · 30/09/2026

30th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Lentran was the coldest low-level (<=300m) location with a min #temperature of 8.9C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 30/09/2026

Yesterday's (29th Sep) daily #sunshine totals from SYNOP observations. #Manston was the sunniest location with 7.0 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 29/09/2026

Latest #UK and #ROI #heatwave map after today's (29th Sep) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. www.roostweather.com/ukobs/heatwave…

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Dan Harris @roostweather.bsky.social · 29/09/2026

Here are all the official SYNOP sites (03xxx group) which recorded their #warmestdayoftheyearsofar on 29th September 2026. @Petagna @GregDewhurst @metoffice

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Dan Harris @roostweather.bsky.social · 29/09/2026

Today's (29th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Chertsey, Abbey Mead P Sta was the warmest location with a max #temperature of 28.3C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 29/09/2026

29th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Redesdale Camp was the coldest low-level (<=300m) location with a min #temperature of -0.5C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 29/09/2026

Yesterday's (28th Sep) daily #sunshine totals from SYNOP observations. #Edinburgh, Gogarbank was the sunniest location with 9.9 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 28/09/2026

Today's (28th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Hull, East Park was the warmest location with a max #temperature of 21.1C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 28/09/2026

28th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Katesbridge was the coldest low-level (<=300m) location with a min #temperature of 1.3C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 28/09/2026

Yesterday's (27th Sep) daily #sunshine totals from SYNOP observations. #Cork Airport was the sunniest location with 6.9 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 27/09/2026

Today's (27th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Northolt was the warmest location with a max #temperature of 22.7C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 27/09/2026

27th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Kielder Castle was the coldest low-level (<=300m) location with a min #temperature of 4.5C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 27/09/2026

Yesterday's (26th Sep) daily #sunshine totals from SYNOP observations. #Tibenham Airfield was the sunniest location with 10.6 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 26/09/2026

Today's (26th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Southampton, Oceanography Centre was the warmest location with a max #temperature of 22.9C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 26/09/2026

26th September minimum #temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Shawbury, and #Shobdon Airfield were the coldest low-level (<=300m) sites with a min of 3.6C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 25/09/2026

Latest #UK and #ROI #heatwave map after today's (25th Sep) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. www.roostweather.com/ukobs/heatwave…

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Dan Harris @roostweather.bsky.social · 25/09/2026

Today's (25th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Frittenden was the warmest location with a max #temperature of 27.0C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 25/09/2026

25th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Cavendish was the coldest low-level (<=300m) location with a min #temperature of 6.0C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 25/09/2026

Yesterday's (24th Sep) daily #sunshine totals from SYNOP observations. #North Wyke was the sunniest location with 10.9 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 24/09/2026

Today's (24th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Saint Helier was the warmest location with a max #temperature of 24.0C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 24/09/2026

24th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Aboyne No 2 was the coldest location with a min #temperature of 0.1C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 23/09/2026

Here are all the official SYNOP sites (03xxx group) which recorded their #warmestdayoftheyearsofar on 23rd September 2026. @Petagna @GregDewhurst @metoffice

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Dan Harris @roostweather.bsky.social · 23/09/2026

Today's (23rd September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Frittenden was the warmest location with a max #temperature of 25.6C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 23/09/2026

23rd September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Altnaharra No 2 was the coldest low-level (<=300m) location with a min #temperature of 3.8C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 23/09/2026

Yesterday's (22nd Sep) daily #sunshine totals from SYNOP observations. #Saint Helier was the sunniest location with 11.4 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 22/09/2026

Latest #UK and #ROI #heatwave map after today's (22nd Sep) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. www.roostweather.com/ukobs/heatwave…

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Dan Harris @roostweather.bsky.social · 22/09/2026

Today's (22nd September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Teddington, Bushy Park was the warmest location with a max #temperature of 27.0C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 22/09/2026

22nd September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Aboyne No 2 was the coldest location with a min #temperature of 6.7C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 22/09/2026

Yesterday's (21st Sep) daily #sunshine totals from SYNOP observations. #Tibenham Airfield was the sunniest location with 11.1 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 21/09/2026

Latest #UK and #ROI #heatwave map after today's (21st Sep) max #temperatures. Map shows no. of consecutive days the heatwave threshold has been reached. When this occurs for 3 (UK) / 5 (ROI) days or more, it's a heatwave. www.roostweather.com/ukobs/heatwave…

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Dan Harris @roostweather.bsky.social · 21/09/2026

Today's (21st September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Southampton, Oceanography Centre, and #Helens Bay were the warmest spots with a max #temperature of 25.5C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 21/09/2026

21st September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Aboyne No 2 was the coldest low-level (<=300m) location with a min #temperature of 2.9C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 21/09/2026

Yesterday's (20th Sep) daily #sunshine totals from SYNOP observations. #Valley was the sunniest location with 10.9 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 20/09/2026

Today's (20th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Thorney Island was the warmest location with a max #temperature of 23.2C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 20/09/2026

20th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Castlederg was the coldest low-level (<=300m) location with a min #temperature of 5.9C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 20/09/2026

Yesterday's (19th Sep) daily #sunshine totals from SYNOP observations. #Leuchars was the sunniest location with 9.1 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 19/09/2026

Today's (19th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Coningsby was the warmest location with a max #temperature of 24.8C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 19/09/2026

19th September minimum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Fyvie Castle was the coldest low-level (<=300m) location with a min #temperature of 7.9C. www.roostweather.com/ukobs/mintemp_…

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Dan Harris @roostweather.bsky.social · 19/09/2026

Yesterday's (18th Sep) daily #sunshine totals from SYNOP observations. #Manston was the sunniest location with 8.3 hours of #sun. www.roostweather.com/ukobs/dailysun…

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Dan Harris @roostweather.bsky.social · 18/09/2026

Today's (18th September) maximum temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Heathrow was the warmest location with a max #temperature of 21.4C. www.roostweather.com/ukobs/maxtemp_…

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Dan Harris @roostweather.bsky.social · 18/09/2026

18th September minimum #temperatures and anomalies (compared to '91-'20 average) from SYNOP observations. #Fyvie Castle, and #Shobdon Airfield were the coldest low-level (<=300m) sites with a min of 7.0C. www.roostweather.com/ukobs/mintemp_…

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