Chester weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Chester in September. Check more long-term weather averages for Chester in September before you book your next holiday to England in 2025/2026.

  • 18°C maximum daytime temperature in September in Chester18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in Chester15
    15 days with some rainfall
  • 10°C minimum night-time temperature in September in Chester10
    10°C min night temperature
  • 13 hours of daylight per day in September in Chester13
    13 hours of daylight per day
  • No heat & humidity in September in Chester0
    No heat & humidity
  • 63 mm monthly rainfall in September in Chester63
    63 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Chester4
    4 (Moderate) UV index

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The September weather guide for England (Chester) 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)

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More about England

How hot is it in Chester in September?

Daytime temperatures usually reach 18°C in Chester in September, falling to 10°C at night.

How sunny is it in Chester in September?

There are normally 4 hours of bright sunshine each day in Chester in September - that's 32% of daylight hours.

Does it rain in Chester in September?

There are usually 15 days with some rain in Chester in September and the average monthly rainfall is 63mm.

Chester September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:22 19:00
Monday, 15th September 2025 05:46 18:27
Tuesday, 30th September 2025 06:12 17:50

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