Weather in the UK in September 2017

Check the weather in the UK in September before you book your next holiday. Long-term weather averages give the best indication of the weather in September 2017 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for the United Kingdom.

The September weather guide for the UK shown below is for London.

Weather in UK in September

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

  • 19°C maximum daytime temperature in September in UK (London)19
    19°C max day temperature
  • 5 hours of sunshine per day (37% of daylight hours) in September in UK5
    5 hours of sunshine per day
  • 11 days with some rainfall in September in UK (London)11
    11 days with some rainfall
  • 11°C minimum night-time temperature in September in UK (London)11
    11°C min night temperature
  • 13 hours of daylight per day in September in UK (London)13
    13 hours of daylight per day
  • No heat & humidity in September in UK (London)0
    No heat & humidity
  • 55 mm monthly rainfall in September in UK (London)55
    55 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in UK (London)4
    4 (Moderate) UV index

The average maximum daytime temperature in UK in September is a comfortable 19°C (66°F). There are usually 5 hours of bright sunshine each day, which represents 37% of the 13 hours of daylight.

Expect 55mm (2.2 inches) of rainfall across the whole of September with 11 days with some rain falling. Maximum UV levels will be moderate (4 UV index) at midday when the skies are clear. The average night-time temperature is usually a cool 11°C (52°F). The weather in UK in September is represented by London.

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

More about UK weather

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UK sunrise & sunset times for September 2017

Browse the sunrise & sunset times for UK in September 2017. Select a month to view UK sunrise & sunset times for the next twelve months. The UK sunrise & sunset times shown below are for London.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st September 2017 06:13 19:47
Saturday, 2nd September 2017 06:15 19:44
Sunday, 3rd September 2017 06:16 19:42
Monday, 4th September 2017 06:18 19:40
Tuesday, 5th September 2017 06:20 19:38
Wednesday, 6th September 2017 06:21 19:35
Thursday, 7th September 2017 06:23 19:33
Friday, 8th September 2017 06:24 19:31
Saturday, 9th September 2017 06:26 19:29
Sunday, 10th September 2017 06:28 19:26
Monday, 11th September 2017 06:29 19:24
Tuesday, 12th September 2017 06:31 19:22
Wednesday, 13th September 2017 06:32 19:19
Thursday, 14th September 2017 06:34 19:17
Friday, 15th September 2017 06:36 19:15
Saturday, 16th September 2017 06:37 19:12
Sunday, 17th September 2017 06:39 19:10
Monday, 18th September 2017 06:40 19:08
Tuesday, 19th September 2017 06:42 19:05
Wednesday, 20th September 2017 06:44 19:03
Thursday, 21st September 2017 06:45 19:01
Friday, 22nd September 2017 06:47 18:59
Saturday, 23rd September 2017 06:48 18:56
Sunday, 24th September 2017 06:50 18:54
Monday, 25th September 2017 06:52 18:52
Tuesday, 26th September 2017 06:53 18:49
Wednesday, 27th September 2017 06:55 18:47
Thursday, 28th September 2017 06:56 18:45
Friday, 29th September 2017 06:58 18:43
Saturday, 30th September 2017 07:00 18:40
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Check UK weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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