County Durham weather in September 2025

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in County Durham in September. Check more long-term weather averages for County Durham in September before you book your next holiday to County Durham in 2025/2026.

  • 17°C maximum daytime temperature in September in County Durham (Durham)17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in September in County Durham (Durham)15
    15 days with some rainfall
  • 9°C minimum night-time temperature in September in County Durham (Durham)9
    9°C min night temperature
  • 13 hours of daylight per day in September in County Durham (Durham)13
    13 hours of daylight per day
  • No heat & humidity in September in County Durham (Durham)0
    No heat & humidity
  • 56 mm monthly rainfall in September in County Durham (Durham)56
    56 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in County Durham (Durham)3
    3 (Moderate) UV index

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The September weather guide for County Durham (Durham) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about the UK

How warm is it in County Durham in September?

Daytime temperatures usually reach 17°C in Durham, County Durham in September, falling to 9°C at night.

How sunny is it in County Durham in September?

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

Does it rain in County Durham in September?

There are usually 15 days with some rain in Durham, County Durham in September and the average monthly rainfall is 56mm.

County Durham September sunrise & sunset times

Browse the sunrise and sunset times for County Durham in September 2025. Select a month to view County Durham sunrise and sunset times for the next 12 months. The County Durham sunrise and sunset times shown below are for Durham.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:13 18:58
Monday, 15th September 2025 05:39 18:23
Tuesday, 30th September 2025 06:07 17:44

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