Antigua weather in September 2019

  • 31°C maximum daytime temperature in September in Antigua (St John's)31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in September in Antigua (St John's)17
    17 days with some rainfall
  • 25°C minimum night-time temperature in September in Antigua (St John's)25
    25°C min night temperature
  • 12 hours of daylight per day in September in Antigua (St John's)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Antigua (St John's)VH
    Very High heat & humidity
  • 140 mm monthly rainfall in September in Antigua (St John's)140
    140 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Antigua (St John's)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Antigua (St John's)29
    29°C sea temperature
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The September weather guide for Antigua, represented by St John's, 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.

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

Guide to Antigua weather in September

The average maximum daytime temperature in Antigua in September is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 7 hours of bright sunshine each day, which represents 61% of the 12 hours of daylight.

Expect 140mm (5.5 inches) of rainfall across the whole of September with 17 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Antigua in September is 29°C (84°F).

The weather in Antigua in September is represented by St John's.

Antigua sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Antigua in September 2019. Select a month to view Antigua sunrise & sunset times for the next twelve months. The Antigua sunrise & sunset times shown below are for St John's.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 05:54 18:21
Sunday, 15th September 2019 05:55 18:10
Monday, 30th September 2019 05:57 17:57
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