London weather in September 2024

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in London in September. Check more long-term weather averages for London in September before you book your next holiday to England in 2024/2025.

  • 19°C maximum daytime temperature in September in London19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in London11
    11 days with some rainfall
  • 11°C minimum night-time temperature in September in London11
    11°C min night temperature
  • 13 hours of daylight per day in September in London13
    13 hours of daylight per day
  • No heat & humidity in September in London0
    No heat & humidity
  • 55 mm monthly rainfall in September in London55
    55 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in London4
    4 (Moderate) UV index

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