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London weather in September 2021
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- 1919°C max day temperature
- 1111 days with some rainfall
- 1111°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 5555 mm of monthly rainfall
- 44 (Moderate) UV index
Recommended for England
The September weather guide for London, England 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 London in September?
Daytime temperatures usually reach 19°C in London in September, falling to 11°C at night.
How sunny is it in London in September?
There are normally 5 hours of bright sunshine each day in London in September - that's 37% of daylight hours.
Does it rain in London in September?
There are usually 11 days with some rain in London in September and the average monthly rainfall is 55mm.
Metric (°C / mm) | Imperial (°F / inches)
London sunrise & sunset times for September 2021
Browse the sunrise and sunset times for London in September 2021. Select a month to view London sunrise & sunset times for the next 12 months.
|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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