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Swindon weather in September 2025
Expect 18°C 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.
- 1818°C max day temperature
- 5 hours of sunshine per day
- 1414 days with some rainfall
- 99°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 5959 mm of monthly rainfall
- 44 (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 / mm) | Imperial (°F / inches)
More about England
How hot is it in Swindon in September?
Daytime temperatures usually reach 18°C in Swindon in September, falling to 9°C 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 59mm.
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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