Guadeloupe weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Guadeloupe in September. Check more long-term weather averages for Guadeloupe in September before you book your next holiday to Guadeloupe in 2025/2026.

  • 82°F maximum daytime temperature in September in Guadeloupe (Basse-Terre)82
    82°F max day temperature
  • 7 hours of sunshine per day
  • 22 days with some rainfall in September in Guadeloupe (Basse-Terre)22
    22 days with some rainfall
  • 70°F minimum night-time temperature in September in Guadeloupe (Basse-Terre)70
    70°F min night temperature
  • 12 hours of daylight per day in September in Guadeloupe (Basse-Terre)12
    12 hours of daylight per day
  • High heat & humidity in September in Guadeloupe (Basse-Terre)H
    High heat & humidity
  • 15.1 inches monthly rainfall in September in Guadeloupe (Basse-Terre)15.1
    15.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Guadeloupe (Basse-Terre)11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Guadeloupe (Basse-Terre)84
    84°F sea temperature

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The September weather guide for Guadeloupe (Basse-Terre) 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 Guadeloupe destinations

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

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Metric (°C)  |  Imperial (°F)

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How hot is it in Guadeloupe in September?

Daytime temperatures usually reach 82°F in Basse-Terre, Guadeloupe in September with high heat and humidity, falling to 70°F at night.

How sunny is it in Guadeloupe in September?

There are normally 7 hours of bright sunshine each day in Basse-Terre, Guadeloupe in September - that's 58% of daylight hours.

How warm is the sea around Guadeloupe in September?

The average sea temperature around Basse-Terre, Guadeloupe in September is 84°F.

Does it rain in Guadeloupe in September?

There are usually 22 days with some rain in Basse-Terre, Guadeloupe in September and the average monthly rainfall is 15.1 inches.

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

On average 1.2 days in September in Basse-Terre, Guadeloupe are likely to be affected by the passage of one or more tropical storms.

Guadeloupe September sunrise & sunset times

Browse the sunrise and sunset times for Guadeloupe in September 2025. Select a month to view Guadeloupe sunrise and sunset times for the next 12 months. The Guadeloupe sunrise and sunset times shown below are for Basse-Terre.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:19
Monday, 15th September 2025 05:55 18:08
Tuesday, 30th September 2025 05:57 17:57

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