St Martin weather in September 2024

Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Martin in September. Check more long-term weather averages for St Martin in September before you book your next holiday to St Martin in 2024/2025.

  • 88°F maximum daytime temperature in September in St Martin88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in September in St Martin19
    19 days with some rainfall
  • 77°F minimum night-time temperature in September in St Martin77
    77°F min night temperature
  • 12 hours of daylight per day in September in St Martin12
    12 hours of daylight per day
  • Very high heat & humidity in September in St MartinVH
    Very High heat & humidity
  • 5.1 inches monthly rainfall in September in St Martin5.1
    5.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in St Martin11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in St Martin84
    84°F sea temperature

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The September weather guide for St Martin 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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How hot is it in St Martin in September?

Daytime temperatures usually reach 88°F in St Martin in September with very high heat and humidity, falling to 77°F at night.

How sunny is it in St Martin in September?

There are normally 8 hours of bright sunshine each day in St Martin in September - that's 63% of daylight hours.

How warm is the sea around St Martin in September?

The average sea temperature around St Martin in September is 84°F.

Does it rain in St Martin in September?

There are usually 19 days with some rain in St Martin in September and the average monthly rainfall is 5.1 inches.

What is the chance of a hurricane in St Martin in September?

On average 1.2 days in September in St Martin are likely to be affected by the passage of one or more tropical storms.

St Martin September sunrise & sunset times

Browse the sunrise and sunset times for St Martin in September 2024. Select a month to view St Martin sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 05:58 18:26
Sunday, 15th September 2024 06:00 18:14
Monday, 30th September 2024 06:03 18:01

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