La Grande-Motte weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in La Grande-Motte in September. Check more long-term weather averages for La Grande-Motte in September before you book your next holiday to France in 2025/2026.

  • 25°C maximum daytime temperature in September in La Grande-Motte25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in La Grande-Motte7
    7 days with some rainfall
  • 15°C minimum night-time temperature in September in La Grande-Motte15
    15°C min night temperature
  • 12 hours of daylight per day in September in La Grande-Motte12
    12 hours of daylight per day
  • No heat & humidity in September in La Grande-Motte0
    No heat & humidity
  • 75 mm monthly rainfall in September in La Grande-Motte75
    75 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in La Grande-Motte5
    5 (Moderate) UV index
  • 20°C sea temperature in September in La Grande-Motte20
    20°C sea temperature

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La Grande-Motte by month

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The September weather guide for France (La Grande-Motte) 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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How hot is it in La Grande-Motte in September?

Daytime temperatures usually reach 25°C in La Grande-Motte in September with no heat and humidity, falling to 15°C at night.

How sunny is it in La Grande-Motte in September?

There are normally 8 hours of bright sunshine each day in La Grande-Motte in September - that's 61% of daylight hours.

How warm is the sea around La Grande-Motte in September?

The average sea temperature around La Grande-Motte in September is 20°C.

Does it rain in La Grande-Motte in September?

There are usually 7 days with some rain in La Grande-Motte in September and the average monthly rainfall is 75mm.

La Grande-Motte September sunrise & sunset times

Browse the sunrise and sunset times for La Grande-Motte in September 2025. Select a month to view La Grande-Motte sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:07 19:19
Monday, 15th September 2025 06:23 18:54
Tuesday, 30th September 2025 06:40 18:26

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