UK weather in September 2021

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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.

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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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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
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