UK weather in September

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Check the the UK weather in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall. The UK september weather guide shown below is for London.

  • 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

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

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UK weather map: Select a destination

Select a destination from the UK weather map below to view the individual September weather guide. Can't find the UK weather destination you are after? Try the destination search.

UK weather by month

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