Marseille weather in September 2025

Expect daytime maximum temperatures of 24°C in Marseille, France in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 66 mm of rainfall in the month.

  • 24°C maximum daytime temperature in September in Marseille24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in September in Marseille6
    6 days with some rainfall
  • 15°C minimum night-time temperature in September in Marseille15
    15°C min night temperature
  • 12 hours of daylight per day in September in Marseille12
    12 hours of daylight per day
  • No heat & humidity in September in Marseille0
    No heat & humidity
  • 66 mm monthly rainfall in September in Marseille66
    66 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Marseille5
    5 (Moderate) UV index
  • 21°C sea temperature in September in Marseille21
    21°C sea temperature

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The September weather guide for France (Marseille) 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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More about France

How hot is it in Marseille in September?

Daytime temperatures usually reach 24°C in Marseille in September, falling to 15°C at night.

How sunny is it in Marseille in September?

There are normally 8 hours of bright sunshine each day in Marseille in September - that's 66% of daylight hours.

How warm is the sea around Marseille in September?

The average sea temperature around Marseille in September is 21°C.

Does it rain in Marseille in September?

There are usually 6 days with some rain in Marseille in September and the average monthly rainfall is 66mm.

Marseille September sunrise & sunset times

Browse the sunrise and sunset times for Marseille in September 2025. Select a month to view Marseille sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:03 19:13
Monday, 15th September 2025 06:18 18:48
Tuesday, 30th September 2025 06:35 18:21

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