Martinique weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Martinique in September. Check more long-term weather averages for Martinique in September before you book your next holiday to Martinique in 2025/2026.

  • 30°C maximum daytime temperature in September in Martinique (Fort-de-France)30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 28 days with some rainfall in September in Martinique (Fort-de-France)28
    28 days with some rainfall
  • 24°C minimum night-time temperature in September in Martinique (Fort-de-France)24
    24°C min night temperature
  • 12 hours of daylight per day in September in Martinique (Fort-de-France)12
    12 hours of daylight per day
  • High heat & humidity in September in Martinique (Fort-de-France)H
    High heat & humidity
  • 233 mm monthly rainfall in September in Martinique (Fort-de-France)233
    233 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Martinique (Fort-de-France)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Martinique (Fort-de-France)29
    29°C sea temperature

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The September weather guide for Martinique (Fort-de-France) 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.

Top Martinique destinations

Below are average maximum temperatures at popular countries, regions and places in Martinique in September. Select a holiday destination to see more weather parameters.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Martinique in September?

Daytime temperatures usually reach 30°C in Fort-de-France, Martinique in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Martinique in September?

There are normally 7 hours of bright sunshine each day in Fort-de-France, Martinique in September - that's 61% of daylight hours.

How warm is the sea around Martinique in September?

The average sea temperature around Fort-de-France, Martinique in September is 29°C.

Does it rain in Martinique in September?

There are usually 28 days with some rain in Fort-de-France, Martinique in September and the average monthly rainfall is 233mm.

What is the chance of a hurricane in Martinique in September?

On average 1.2 days in September in Fort-de-France, Martinique are likely to be affected by the passage of one or more tropical storms.

Martinique September sunrise & sunset times

Browse the sunrise and sunset times for Martinique in September 2025. Select a month to view Martinique sunrise and sunset times for the next 12 months. The Martinique sunrise and sunset times shown below are for Fort-de-France.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:52 18:16
Monday, 15th September 2025 05:53 18:05
Tuesday, 30th September 2025 05:54 17:54

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