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Brittany weather in September 2021
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Below are average maximum temperatures at popular destinations in Brittany in September. Select a destination to see more weather parameters.
- St Malo
- Le Conquet
- Le Guilvinec
Recommended for Brittany
The September weather guide for Brittany 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.
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 sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Brittany in September 2021. Select a month to view Brittany sunrise & sunset times for the next twelve months. The Brittany sunrise & sunset times shown below are for Brest.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||07:35||20:59|
|Wednesday, 15th September 2021||07:55||20:30|
|Thursday, 30th September 2021||08:16||19:59|
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Metric (°C / mm) | Imperial (°F / inches)
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