Jolly Harbour weather in September 2025

Expect 88°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jolly Harbour in September. Check more long-term weather averages for Jolly Harbour in September before you book your next holiday to Antigua in 2025/2026.

  • 88°F maximum daytime temperature in September in Jolly Harbour88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in September in Jolly Harbour17
    17 days with some rainfall
  • 77°F minimum night-time temperature in September in Jolly Harbour77
    77°F min night temperature
  • 12 hours of daylight per day in September in Jolly Harbour12
    12 hours of daylight per day
  • Very high heat & humidity in September in Jolly HarbourVH
    Very High heat & humidity
  • 5.5 inches monthly rainfall in September in Jolly Harbour5.5
    5.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Jolly Harbour11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Jolly Harbour84
    84°F sea temperature

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The September weather guide for Antigua (Jolly Harbour) 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 Jolly Harbour in September?

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

How sunny is it in Jolly Harbour in September?

There are normally 7 hours of bright sunshine each day in Jolly Harbour in September - that's 61% of daylight hours.

How warm is the sea around Jolly Harbour in September?

The average sea temperature around Jolly Harbour in September is 84°F.

Does it rain in Jolly Harbour in September?

There are usually 17 days with some rain in Jolly Harbour in September and the average monthly rainfall is 5.5 inches.

What is the chance of a hurricane in Jolly Harbour in September?

On average 1.3 days in September in Jolly Harbour are likely to be affected by the passage of one or more tropical storms.

Jolly Harbour September sunrise & sunset times

Browse the sunrise and sunset times for Jolly Harbour in September 2025. Select a month to view Jolly Harbour sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:21
Monday, 15th September 2025 05:56 18:09
Tuesday, 30th September 2025 05:58 17:57

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