Brittany weather in September 2022

  • 19°C maximum daytime temperature in September in Brittany (Brest)19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in September in Brittany (Brest)15
    15 days with some rainfall
  • 12°C minimum night-time temperature in September in Brittany (Brest)12
    12°C min night temperature
  • 13 hours of daylight per day in September in Brittany (Brest)13
    13 hours of daylight per day
  • No heat & humidity in September in Brittany (Brest)0
    No heat & humidity
  • 88 mm monthly rainfall in September in Brittany (Brest)88
    88 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Brittany (Brest)4
    4 (Moderate) UV index
  • 16°C sea temperature in September in Brittany (Brest)16
    16°C sea temperature

Below are average maximum temperatures at popular destinations in Brittany in September. Select a destination to see more weather parameters.

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Recommended for Brittany

The September weather guide for Brittany (Brest) 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 France

How hot is it in Brittany in September?

Daytime temperatures usually reach 19°C in Brest, Brittany in September, falling to 12°C at night.

How sunny is it in Brittany in September?

There are normally 6 hours of bright sunshine each day in Brest, Brittany in September - that's 44% of daylight hours.

How warm is the sea around Brittany in September?

The average sea temperature around Brest, Brittany in September is 16°C.

Does it rain in Brittany in September?

There are usually 15 days with some rain in Brest, Brittany in September and the average monthly rainfall is 88mm.

Brittany September sunrise & sunset times

Browse the sunrise and sunset times for Brittany in September 2022. Select a month to view Brittany sunrise and sunset times for the next 12 months. The Brittany sunrise and sunset times shown below are for Brest.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2022 07:35 21:00
Thursday, 15th September 2022 07:55 20:31
Friday, 30th September 2022 08:16 19:59

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