Sandown weather in September 2025

Expect daytime maximum temperatures of 64°F in Sandown, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 2.5 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Sandown64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Sandown12
    12 days with some rainfall
  • 54°F minimum night-time temperature in September in Sandown54
    54°F min night temperature
  • 13 hours of daylight per day in September in Sandown13
    13 hours of daylight per day
  • No heat & humidity in September in Sandown0
    No heat & humidity
  • 2.5 inches monthly rainfall in September in Sandown2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Sandown4
    4 (Moderate) UV index
  • 63°F sea temperature in September in Sandown63
    63°F sea temperature

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

Daytime temperatures usually reach 64°F in Sandown in September, falling to 54°F at night.

How sunny is it in Sandown in September?

There are normally 5 hours of bright sunshine each day in Sandown in September - that's 43% of daylight hours.

How warm is the sea around Sandown in September?

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

Does it rain in Sandown in September?

There are usually 12 days with some rain in Sandown in September and the average monthly rainfall is 2.5 inches.

Sandown September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:19 18:49
Monday, 15th September 2025 05:40 18:18
Tuesday, 30th September 2025 06:04 17:45

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