Les Sables d'Olonne weather in September 2025

Expect daytime maximum temperatures of 21°C in Les Sables d'Olonne, France in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 71 mm of rainfall in the month.

• 21
  21°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 13
  13°C min night temperature
• 13
  13 hours of daylight per day
• 0
  No heat & humidity
• 71
  71 mm of monthly rainfall
• 5
  5 (Moderate) UV index
• 18
  18°C sea temperature

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Les Sables d'Olonne by month

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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)

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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.

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