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Les Sables d'Olonne weather in September 2025
Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Les Sables d'Olonne in September. Check more long-term weather averages for Les Sables d'Olonne in September before you book your next holiday to France in 2025/2026.
- 21°C max day temperature
21 - 7 hours of sunshine per day
- 12 days with some rainfall
12 - 13°C min night temperature
13 - 13 hours of daylight per day
13 - No heat & humidity
0 - 71 mm of monthly rainfall
71 - 5 (Moderate) UV index
5 - 18°C sea temperature
18
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The September weather guide for France (Les Sables d'Olonne) 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 Les Sables d'Olonne in September?
Daytime temperatures usually reach 21°C in Les Sables d'Olonne in September, falling to 13°C at night.
How sunny is it in Les Sables d'Olonne in September?
There are normally 7 hours of bright sunshine each day in Les Sables d'Olonne in September - that's 52% of daylight hours.
How warm is the sea around Les Sables d'Olonne in September?
The average sea temperature around Les Sables d'Olonne in September is 18°C.
Does it rain in Les Sables d'Olonne in September?
There are usually 12 days with some rain in Les Sables d'Olonne in September and the average monthly rainfall is 71mm.
Les Sables d'Olonne September sunrise & sunset times
Browse the sunrise and sunset times for Les Sables d'Olonne in September 2025. Select a month to view Les Sables d'Olonne sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 06:27 | 19:46 |
| Monday, 15th September 2025 | 06:45 | 19:18 |
| Tuesday, 30th September 2025 | 07:05 | 18:49 |
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