Swindon weather in September 2025

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

  • 64°F maximum daytime temperature in September in Swindon64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Swindon14
    14 days with some rainfall
  • 48°F minimum night-time temperature in September in Swindon48
    48°F min night temperature
  • 13 hours of daylight per day in September in Swindon13
    13 hours of daylight per day
  • No heat & humidity in September in Swindon0
    No heat & humidity
  • 2.3 inches monthly rainfall in September in Swindon2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Swindon4
    4 (Moderate) UV index

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

Daytime temperatures usually reach 64°F in Swindon in September, falling to 48°F at night.

How sunny is it in Swindon in September?

There are normally 5 hours of bright sunshine each day in Swindon in September - that's 37% of daylight hours.

Does it rain in Swindon in September?

There are usually 14 days with some rain in Swindon in September and the average monthly rainfall is 2.3 inches.

Swindon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:20 18:53
Monday, 15th September 2025 05:42 18:21
Tuesday, 30th September 2025 06:06 17:47

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