Guadeloupe weather in September 2025

Expect daytime maximum temperatures of 28°C in Guadeloupe in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 22 days with some rainfall and typically 383 mm of rainfall in the month.

  • 28°C maximum daytime temperature in September in Guadeloupe (Basse-Terre)28
    28°C 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
  • 21°C minimum night-time temperature in September in Guadeloupe (Basse-Terre)21
    21°C 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
  • 383 mm monthly rainfall in September in Guadeloupe (Basse-Terre)383
    383 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Guadeloupe (Basse-Terre)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Guadeloupe (Basse-Terre)29
    29°C 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.

All Guadeloupe destinations

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

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How hot is it in Guadeloupe in September?

Daytime temperatures usually reach 28°C in Basse-Terre, Guadeloupe in September with high heat and humidity, falling to 21°C 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 29°C.

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 383mm.

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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