L'Orient weather in September 2025

Expect 68°F 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.

  • 68°F maximum daytime temperature in September in L'Orient68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in L'Orient14
    14 days with some rainfall
  • 54°F minimum night-time temperature in September in L'Orient54
    54°F min night temperature
  • 13 hours of daylight per day in September in L'Orient13
    13 hours of daylight per day
  • No heat & humidity in September in L'Orient0
    No heat & humidity
  • 3.1 inches monthly rainfall in September in L'Orient3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in L'Orient5
    5 (Moderate) UV index
  • 63°F sea temperature in September in L'Orient63
    63°F sea temperature

More about L'Orient

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)  |  Imperial (°F)

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More about France

How hot is it in L'Orient in September?

Daytime temperatures usually reach 68°F in L'Orient in September, falling to 54°F 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 63°F.

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 3.1 inches.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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