UK weather in September 2021

Get the latest coronavirus (Covid-19) updates for the UK with current travel advice, vaccine statistics and online resources.

UK regions

Recommended for the UK

  • Top deals & discounts
  • UK weather overview
  • UK climate averages by month
  • More destinations
  • Best time to go to UK
  • UK 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

  • Browse top offers on solo holidays & singles escorted tours
  • Filter offers by travel style, destination, dates & price
  • Styles include walking holidays, cruises, city breaks & tours

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)

Back to top

About the UK seasons

Planning holidays in the UK

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.


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 up to 40% with ALL-Accor Live Limitless membership
  • Receive EXTRA up to 10% discount with first booking
  • Earn reward points, get members' rates, discounts & more

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.