Weather in Gros Islet in September 2018

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Gros Islet in September. Check more long-term weather averages for Gros Islet in September before you book your next holiday to St Lucia in 2018.

Key weather averages for Gros Islet in September

  • 30°C maximum daytime temperature in September in Gros Islet30
    30°C max day temperature
  • 8 hours of sunshine per day (62% of daylight hours) in September in Gros Islet8
    8 hours of sunshine per day
  • 25 days with some rainfall in September in Gros Islet25
    25 days with some rainfall
  • 24°C minimum night-time temperature in September in Gros Islet24
    24°C min night temperature
  • 12 hours of daylight per day in September in Gros Islet12
    12 hours of daylight per day
  • Very high heat & humidity in September in Gros IsletVH
    Very High heat & humidity
  • 224 mm monthly rainfall in September in Gros Islet224
    224 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Gros Islet11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Gros Islet29
    29°C sea temperature

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

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

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More about Gros Islet

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Guide to Gros Islet weather in September

The average maximum daytime temperature in Gros Islet in September is a hot 30°C (86°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 8 hours of bright sunshine each day, which represents 62% of the 12 hours of daylight.

Expect 224mm (8.8 inches) of rainfall across the whole of September with 25 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 Gros Islet in September is 29°C (84°F).

The weather in Gros Islet in September is represented by Gros Islet.

Gros Islet sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Gros Islet in September 2018. Select a month to view Gros Islet sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 05:52 18:15
Sunday, 2nd September 2018 05:52 18:15
Monday, 3rd September 2018 05:52 18:14
Tuesday, 4th September 2018 05:52 18:13
Wednesday, 5th September 2018 05:52 18:12
Thursday, 6th September 2018 05:52 18:12
Friday, 7th September 2018 05:52 18:11
Saturday, 8th September 2018 05:52 18:10
Sunday, 9th September 2018 05:52 18:10
Monday, 10th September 2018 05:52 18:09
Tuesday, 11th September 2018 05:53 18:08
Wednesday, 12th September 2018 05:53 18:07
Thursday, 13th September 2018 05:53 18:07
Friday, 14th September 2018 05:53 18:06
Saturday, 15th September 2018 05:53 18:05
Sunday, 16th September 2018 05:53 18:04
Monday, 17th September 2018 05:53 18:04
Tuesday, 18th September 2018 05:53 18:03
Wednesday, 19th September 2018 05:53 18:02
Thursday, 20th September 2018 05:53 18:01
Friday, 21st September 2018 05:53 18:01
Saturday, 22nd September 2018 05:53 18:00
Sunday, 23rd September 2018 05:53 17:59
Monday, 24th September 2018 05:53 17:58
Tuesday, 25th September 2018 05:53 17:58
Wednesday, 26th September 2018 05:53 17:57
Thursday, 27th September 2018 05:53 17:56
Friday, 28th September 2018 05:53 17:55
Saturday, 29th September 2018 05:53 17:55
Sunday, 30th September 2018 05:53 17:54
  • Save up to 10% on all inclusive holidays to St Lucia
  • Book online with First Choice to receive discount
  • FREE kids places & low deposits also available

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Gros Islet weather by month

Check Gros Islet weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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