Saint-Pierre weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Saint-Pierre in September based on long-term weather averages. There is usually 12 days with some rainfall and 47 mm of average monthly rainfall in September.

  • 22°C maximum daytime temperature in September in Saint-Pierre22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in September in Saint-Pierre12
    12 days with some rainfall
  • 15°C minimum night-time temperature in September in Saint-Pierre15
    15°C min night temperature
  • 12 hours of daylight per day in September in Saint-Pierre12
    12 hours of daylight per day
  • No heat & humidity in September in Saint-Pierre0
    No heat & humidity
  • 47 mm monthly rainfall in September in Saint-Pierre47
    47 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Saint-Pierre10
    10 (Very High) UV index
  • 23°C sea temperature in September in Saint-Pierre23
    23°C sea temperature

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The September weather guide for Reunion (Saint-Pierre) 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 Saint-Pierre in September?

Daytime temperatures usually reach 22°C in Saint-Pierre in September, falling to 15°C at night.

How sunny is it in Saint-Pierre in September?

There are normally 7 hours of bright sunshine each day in Saint-Pierre in September - that's 55% of daylight hours.

How warm is the sea around Saint-Pierre in September?

The average sea temperature around Saint-Pierre in September is 23°C.

Does it rain in Saint-Pierre in September?

There are usually 12 days with some rain in Saint-Pierre in September and the average monthly rainfall is 47mm.

Saint-Pierre September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:27 18:09
Monday, 15th September 2025 06:14 18:12
Tuesday, 30th September 2025 06:00 18:16

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