Weather in Antigua in September 2018

  • 31°C maximum daytime temperature in September in Antigua (St John's)31
    31°C max day temperature
  • 7 hours of sunshine per day (61% of daylight hours) in September in Antigua7
    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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Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Antigua in September. Check more long-term weather averages for Antigua in September before you book your next holiday to Antigua in 2018/2019. The September weather averages shown above are for St John's.

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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 2018

Browse the sunrise & sunset times for Antigua in September 2018. 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.


Date Sunrise times Sunset times
Saturday, 1st September 2018 05:54 18:21
Sunday, 2nd September 2018 05:54 18:20
Monday, 3rd September 2018 05:54 18:19
Tuesday, 4th September 2018 05:54 18:18
Wednesday, 5th September 2018 05:54 18:18
Thursday, 6th September 2018 05:54 18:17
Friday, 7th September 2018 05:55 18:16
Saturday, 8th September 2018 05:55 18:15
Sunday, 9th September 2018 05:55 18:14
Monday, 10th September 2018 05:55 18:13
Tuesday, 11th September 2018 05:55 18:13
Wednesday, 12th September 2018 05:55 18:12
Thursday, 13th September 2018 05:55 18:11
Friday, 14th September 2018 05:55 18:10
Saturday, 15th September 2018 05:56 18:09
Sunday, 16th September 2018 05:56 18:09
Monday, 17th September 2018 05:56 18:08
Tuesday, 18th September 2018 05:56 18:07
Wednesday, 19th September 2018 05:56 18:06
Thursday, 20th September 2018 05:56 18:05
Friday, 21st September 2018 05:56 18:04
Saturday, 22nd September 2018 05:56 18:04
Sunday, 23rd September 2018 05:56 18:03
Monday, 24th September 2018 05:57 18:02
Tuesday, 25th September 2018 05:57 18:01
Wednesday, 26th September 2018 05:57 18:00
Thursday, 27th September 2018 05:57 17:59
Friday, 28th September 2018 05:57 17:59
Saturday, 29th September 2018 05:57 17:58
Sunday, 30th September 2018 05:57 17:57
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