Buckinghamshire weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Buckinghamshire in September. Check more long-term weather averages for Buckinghamshire in September before you book your next holiday to Buckinghamshire in 2025/2026.

  • 18°C maximum daytime temperature in September in Buckinghamshire (Milton Keynes)18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Buckinghamshire (Milton Keynes)12
    12 days with some rainfall
  • 9°C minimum night-time temperature in September in Buckinghamshire (Milton Keynes)9
    9°C min night temperature
  • 13 hours of daylight per day in September in Buckinghamshire (Milton Keynes)13
    13 hours of daylight per day
  • No heat & humidity in September in Buckinghamshire (Milton Keynes)0
    No heat & humidity
  • 50 mm monthly rainfall in September in Buckinghamshire (Milton Keynes)50
    50 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Buckinghamshire (Milton Keynes)4
    4 (Moderate) UV index

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The September weather guide for Buckinghamshire (Milton Keynes) 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 hot is it in Buckinghamshire in September?

Daytime temperatures usually reach 18°C in Milton Keynes, Buckinghamshire in September, falling to 9°C at night.

How sunny is it in Buckinghamshire in September?

There are normally 5 hours of bright sunshine each day in Milton Keynes, Buckinghamshire in September - that's 36% of daylight hours.

Does it rain in Buckinghamshire in September?

There are usually 12 days with some rain in Milton Keynes, Buckinghamshire in September and the average monthly rainfall is 50mm.

Buckinghamshire September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:15 18:50
Monday, 15th September 2025 05:38 18:17
Tuesday, 30th September 2025 06:03 17:42

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