L'Orient weather in September 2025

Expect daytime maximum temperatures of 20°C in L'Orient, France in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 78 mm of rainfall in the month.

• 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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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)

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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.

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