Lewes weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Lewes in September. Check more long-term weather averages for Lewes in September before you book your next holiday to England in 2025/2026.

  • 64°F maximum daytime temperature in September in Lewes64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Lewes12
    12 days with some rainfall
  • 50°F minimum night-time temperature in September in Lewes50
    50°F min night temperature
  • 13 hours of daylight per day in September in Lewes13
    13 hours of daylight per day
  • No heat & humidity in September in Lewes0
    No heat & humidity
  • 2.9 inches monthly rainfall in September in Lewes2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Lewes4
    4 (Moderate) UV index

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The September weather guide for England (Lewes) 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.

Metric (°C)  |  Imperial (°F)

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More about England

How hot is it in Lewes in September?

Daytime temperatures usually reach 64°F in Lewes in September, falling to 50°F at night.

How sunny is it in Lewes in September?

There are normally 5 hours of bright sunshine each day in Lewes in September - that's 40% of daylight hours.

Does it rain in Lewes in September?

There are usually 12 days with some rain in Lewes in September and the average monthly rainfall is 2.9 inches.

Lewes September sunrise & sunset times

Browse the sunrise and sunset times for Lewes in September 2025. Select a month to view Lewes sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:14 18:45
Monday, 15th September 2025 05:35 18:14
Tuesday, 30th September 2025 05:59 17:40

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