Southend weather in September 2025

Expect 66°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Southend in September. Check more long-term weather averages for Southend in September before you book your next holiday to England in 2025/2026.

  • 66°F maximum daytime temperature in September in Southend66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Southend11
    11 days with some rainfall
  • 52°F minimum night-time temperature in September in Southend52
    52°F min night temperature
  • 13 hours of daylight per day in September in Southend13
    13 hours of daylight per day
  • No heat & humidity in September in Southend0
    No heat & humidity
  • 1.9 inches monthly rainfall in September in Southend1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Southend4
    4 (Moderate) UV index
  • 63°F sea temperature in September in Southend63
    63°F sea temperature

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The September weather guide for England (Southend) 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 Southend in September?

Daytime temperatures usually reach 66°F in Southend in September, falling to 52°F at night.

How sunny is it in Southend in September?

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

How warm is the sea around Southend in September?

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

Does it rain in Southend in September?

There are usually 11 days with some rain in Southend in September and the average monthly rainfall is 1.9 inches.

Southend September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:10 18:43
Monday, 15th September 2025 05:32 18:11
Tuesday, 30th September 2025 05:56 17:37

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