Cayman Islands weather in September 2019

  • 32°C maximum daytime temperature in September in Cayman Islands (George Town)32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in September in Cayman Islands (George Town)16
    16 days with some rainfall
  • 25°C minimum night-time temperature in September in Cayman Islands (George Town)25
    25°C min night temperature
  • 12 hours of daylight per day in September in Cayman Islands (George Town)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Cayman Islands (George Town)VH
    Very High heat & humidity
  • 208 mm monthly rainfall in September in Cayman Islands (George Town)208
    208 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Cayman Islands (George Town)11
    11 (Extreme) UV index
  • 30°C sea temperature in September in Cayman Islands (George Town)30
    30°C sea temperature

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Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cayman Islands in September. Check more long-term weather averages for Cayman Islands in September before you book your next holiday to Cayman Islands in 2019/2020. The September weather averages shown above are for George Town.

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More about Cayman Islands

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The September weather guide for Cayman Islands, represented by George Town, 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 / mm)  |  Imperial (°F / inches)

Guide to Cayman Islands weather in September

The average maximum daytime temperature in Cayman Islands in September is a hot 32°C (90°F) with very high heat & humidity. The average night-time temperature is usually a warm 25°C (77°F). There are usually 8 hours of bright sunshine each day, which represents 61% of the 12 hours of daylight.

Expect 208mm (8.2 inches) of rainfall across the whole of September with 16 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 Cayman Islands in September is 30°C (86°F).

The weather in Cayman Islands in September is represented by George Town.

Cayman Islands sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Cayman Islands in September 2019. Select a month to view Cayman Islands sunrise & sunset times for the next twelve months. The Cayman Islands sunrise & sunset times shown below are for George Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:10 18:40
Monday, 2nd September 2019 06:10 18:40
Tuesday, 3rd September 2019 06:11 18:39
Wednesday, 4th September 2019 06:11 18:38
Thursday, 5th September 2019 06:11 18:37
Friday, 6th September 2019 06:11 18:36
Saturday, 7th September 2019 06:11 18:35
Sunday, 8th September 2019 06:12 18:34
Monday, 9th September 2019 06:12 18:33
Tuesday, 10th September 2019 06:12 18:33
Wednesday, 11th September 2019 06:12 18:32
Thursday, 12th September 2019 06:12 18:31
Friday, 13th September 2019 06:13 18:30
Saturday, 14th September 2019 06:13 18:29
Sunday, 15th September 2019 06:13 18:28
Monday, 16th September 2019 06:13 18:27
Tuesday, 17th September 2019 06:13 18:26
Wednesday, 18th September 2019 06:14 18:25
Thursday, 19th September 2019 06:14 18:25
Friday, 20th September 2019 06:14 18:24
Saturday, 21st September 2019 06:14 18:23
Sunday, 22nd September 2019 06:14 18:22
Monday, 23rd September 2019 06:14 18:21
Tuesday, 24th September 2019 06:15 18:20
Wednesday, 25th September 2019 06:15 18:19
Thursday, 26th September 2019 06:15 18:18
Friday, 27th September 2019 06:15 18:17
Saturday, 28th September 2019 06:15 18:16
Sunday, 29th September 2019 06:16 18:16
Monday, 30th September 2019 06:16 18:15
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  • Book Marella Cruises online with TUI
  • Travel before 31st October 2020 (inclusive)

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