Granville weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Granville in September. Check more long-term weather averages for Granville in September before you book your next holiday to France in 2025/2026.

  • 20°C maximum daytime temperature in September in Granville20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Granville13
    13 days with some rainfall
  • 12°C minimum night-time temperature in September in Granville12
    12°C min night temperature
  • 13 hours of daylight per day in September in Granville13
    13 hours of daylight per day
  • No heat & humidity in September in Granville0
    No heat & humidity
  • 68 mm monthly rainfall in September in Granville68
    68 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Granville4
    4 (Moderate) UV index
  • 18°C sea temperature in September in Granville18
    18°C sea temperature

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The September weather guide for France (Granville) 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 France

How hot is it in Granville in September?

Daytime temperatures usually reach 20°C in Granville in September, falling to 12°C at night.

How sunny is it in Granville in September?

There are normally 6 hours of bright sunshine each day in Granville in September - that's 46% of daylight hours.

How warm is the sea around Granville in September?

The average sea temperature around Granville in September is 18°C.

Does it rain in Granville in September?

There are usually 13 days with some rain in Granville in September and the average monthly rainfall is 68mm.

Granville September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:23 19:48
Monday, 15th September 2025 06:43 19:19
Tuesday, 30th September 2025 07:05 18:47

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