L'Orient weather in September 2025

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

20
20°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
12
12°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
78
78 mm of monthly rainfall
5
5 (Moderate) UV index
17
17°C sea temperature

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L'Orient by month

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Destination

The September weather guide for France (L'Orient) 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)

More about France

How hot is it in L'Orient in September?

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

How sunny is it in L'Orient in September?

There are normally 6 hours of bright sunshine each day in L'Orient in September - that's 45% of daylight hours.

How warm is the sea around L'Orient in September?

The average sea temperature around L'Orient in September is 17°C.

Does it rain in L'Orient in September?

There are usually 14 days with some rain in L'Orient in September and the average monthly rainfall is 78mm.

L'Orient September sunrise & sunset times

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:32	19:54
Monday, 15th September 2025	06:51	19:25
Tuesday, 30th September 2025	07:11	18:55

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France - quick facts
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