UK weather in September 2021

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Discover the UK's weather in September. As well as sharing the average temperatures at popular destinations, we've handpicked a list of the top 10 places to go in the UK in September for anyone planning a holiday or day out.

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The September weather guide for UK shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

How hot is it in the UK in September?

Daytime temperatures usually reach 19°C in London, UK in September, falling to 11°C at night.

How sunny is it in the UK in September?

There are normally 5 hours of bright sunshine each day in London, UK in September - that's 37% of daylight hours.

Does it rain in the UK in September?

There are usually 11 days with some rain in London, UK in September and the average monthly rainfall is 55mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Top 10 UK places to go in September

  1. Bognor Regis, West Sussex
  2. Eastbourne, East Sussex
  3. Weymouth, Dorset
  4. Whitstable, Kent
  5. Padstow, Cornwall
  6. Torquay, Devon
  7. Clacton-on-Sea, Essex
  8. Aldeburgh, Suffolk
  9. Tenby, Pembrokeshire
  10. York, North Yorkshire
Aerial view of Eastbourne, East Sussex © Alexey Fedorenko - Adobe Stock Image
Aerial view of Eastbourne, East Sussex © Alexey Fedorenko - Adobe Stock Image

1. Bognor Regis, West Sussex, England

  • Usually 18°C maximum daytime temperature in Bognor Regis in September18
    18°C max daytime temperature
  • 6 hours of sunshine per day
  • Usually 11 days with some rainfall in Bognor Regis in September11
    11 days with some rainfall
  • 65 mm monthly rainfall in Bognor Regis in September65
    65 mm monthly rainfall

About Bognor Regis >>

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2. Eastbourne, East Sussex, England

  • Usually 18°C maximum daytime temperature in Eastbourne in September18
    18°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 12 days with some rainfall in Eastbourne in September12
    12 days with some rainfall
  • 72 mm monthly rainfall in Eastbourne in September72
    72 mm monthly rainfall

About Eastbourne >>

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3. Weymouth, Dorset, England

  • Usually 18°C maximum daytime temperature in Weymouth in September18
    18°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 13 days with some rainfall in Weymouth in September13
    13 days with some rainfall
  • 68 mm monthly rainfall in Weymouth in September68
    68 mm monthly rainfall

About Weymouth >>

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4. Whitstable, Kent, England

  • Usually 19°C maximum daytime temperature in Whitstable in September19
    19°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 12 days with some rainfall in Whitstable in September12
    12 days with some rainfall
  • 52 mm monthly rainfall in Whitstable in September52
    52 mm monthly rainfall

About Whitstable >>

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5. Padstow, Cornwall, England

  • Usually 17°C maximum daytime temperature in Padstow in September17
    17°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 15 days with some rainfall in Padstow in September15
    15 days with some rainfall
  • 82 mm monthly rainfall in Padstow in September82
    82 mm monthly rainfall

About Padstow >>

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6. Torquay, Devon, England

  • Usually 18°C maximum daytime temperature in Torquay in September18
    18°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 13 days with some rainfall in Torquay in September13
    13 days with some rainfall
  • 81 mm monthly rainfall in Torquay in September81
    81 mm monthly rainfall

About Torquay >>

Entrance to Torquay Harbour, Devon © Ian Woolcock - Adobe Stock Image
Entrance to Torquay Harbour, Devon © Ian Woolcock - Adobe Stock Image

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7. Clacton-on-Sea, Essex, England

  • Usually 19°C maximum daytime temperature in Clacton-on-Sea in September19
    19°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 15 days with some rainfall in Clacton-on-Sea in September15
    15 days with some rainfall
  • 48 mm monthly rainfall in Clacton-on-Sea in September48
    48 mm monthly rainfall

About Clacton-on-Sea >>

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8. Aldeburgh, Suffolk, England

  • Usually 19°C maximum daytime temperature in Aldeburgh in September19
    19°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 15 days with some rainfall in Aldeburgh in September15
    15 days with some rainfall
  • 53 mm monthly rainfall in Aldeburgh in September53
    53 mm monthly rainfall

About Aldeburgh >>

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9. Tenby, Pembrokeshire, Wales

  • Usually 17°C maximum daytime temperature in Tenby in September17
    17°C max daytime temperature
  • 5 hours of sunshine per day
  • Usually 15 days with some rainfall in Tenby in September15
    15 days with some rainfall
  • 85 mm monthly rainfall in Tenby in September85
    85 mm monthly rainfall

About Tenby >>

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10. York, North Yorkshire, England

  • Usually 18°C maximum daytime temperature in York in September18
    18°C max daytime temperature
  • 4 hours of sunshine per day
  • Usually 13 days with some rainfall in York in September13
    13 days with some rainfall
  • 53 mm monthly rainfall in York in September53
    53 mm monthly rainfall

About York >>

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Planning holidays in the UK

About the UK seasons

UK sunrise & sunset times for September 2021

Browse the sunrise and sunset times for UK in September 2021. Select a month to view UK sunrise & sunset times for the next 12 months. The UK sunrise and sunset times shown below are for London.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:13 19:47
Wednesday, 15th September 2021 06:36 19:15
Thursday, 30th September 2021 07:00 18:40
  • Save £200 per booking on Marella Cruises in 2021
  • Book cruises to Europe, Mediterranean & Caribbean
  • Travel before 31st December 2021 (inclusive)
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Expires at 23:59 on Saturday 31st Jul 2021 · View all Marella Cruises offers

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