Southport weather in September 2025

Expect daytime maximum temperatures of 63°F in Southport, England in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 3.1 inches of rainfall in the month.

  • 63°F maximum daytime temperature in September in Southport63
    63°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Southport16
    16 days with some rainfall
  • 50°F minimum night-time temperature in September in Southport50
    50°F min night temperature
  • 13 hours of daylight per day in September in Southport13
    13 hours of daylight per day
  • No heat & humidity in September in Southport0
    No heat & humidity
  • 3.1 inches monthly rainfall in September in Southport3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Southport4
    4 (Moderate) UV index
  • 61°F sea temperature in September in Southport61
    61°F sea temperature

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The September weather guide for England (Southport) 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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How warm is it in Southport in September?

Daytime temperatures usually reach 63°F in Southport in September, falling to 50°F at night.

How sunny is it in Southport in September?

There are normally 4 hours of bright sunshine each day in Southport in September - that's 33% of daylight hours.

How warm is the sea around Southport in September?

The average sea temperature around Southport in September is 61°F.

Does it rain in Southport in September?

There are usually 16 days with some rain in Southport in September and the average monthly rainfall is 3.1 inches.

Southport September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:21 19:02
Monday, 15th September 2025 05:46 18:27
Tuesday, 30th September 2025 06:12 17:51

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