Lyme Regis weather in September 2025

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

  • 64°F maximum daytime temperature in September in Lyme Regis64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Lyme Regis13
    13 days with some rainfall
  • 50°F minimum night-time temperature in September in Lyme Regis50
    50°F min night temperature
  • 13 hours of daylight per day in September in Lyme Regis13
    13 hours of daylight per day
  • No heat & humidity in September in Lyme Regis0
    No heat & humidity
  • 2.7 inches monthly rainfall in September in Lyme Regis2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Lyme Regis4
    4 (Moderate) UV index
  • 63°F sea temperature in September in Lyme Regis63
    63°F sea temperature

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The September weather guide for England (Lyme Regis) 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 Lyme Regis in September?

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

How sunny is it in Lyme Regis in September?

There are normally 5 hours of bright sunshine each day in Lyme Regis in September - that's 38% of daylight hours.

How warm is the sea around Lyme Regis in September?

The average sea temperature around Lyme Regis in September is 63°F.

Does it rain in Lyme Regis in September?

There are usually 13 days with some rain in Lyme Regis in September and the average monthly rainfall is 2.7 inches.

Lyme Regis September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:26 18:56
Monday, 15th September 2025 05:47 18:25
Tuesday, 30th September 2025 06:11 17:52

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