St Lucia weather in September 2024

Expect 24°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St Lucia in September. Check more long-term weather averages for St Lucia in September before you book your next holiday to South Africa in 2024/2025.

  • 24°C maximum daytime temperature in September in St Lucia24
    24°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in St Lucia9
    9 days with some rainfall
  • 16°C minimum night-time temperature in September in St Lucia16
    16°C min night temperature
  • 12 hours of daylight per day in September in St Lucia12
    12 hours of daylight per day
  • No heat & humidity in September in St Lucia0
    No heat & humidity
  • 87 mm monthly rainfall in September in St Lucia87
    87 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in St Lucia8
    8 (Very High) UV index
  • 22°C sea temperature in September in St Lucia22
    22°C sea temperature

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The September weather guide for South Africa (St Lucia) 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)

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More about South Africa

How hot is it in St Lucia in September?

Daytime temperatures usually reach 24°C in St Lucia in September, falling to 16°C at night.

How sunny is it in St Lucia in September?

There are normally 7 hours of bright sunshine each day in St Lucia in September - that's 62% of daylight hours.

How warm is the sea around St Lucia in September?

The average sea temperature around St Lucia in September is 22°C.

Does it rain in St Lucia in September?

There are usually 9 days with some rain in St Lucia in September and the average monthly rainfall is 87mm.

St Lucia September sunrise & sunset times

Browse the sunrise and sunset times for St Lucia in September 2024. Select a month to view St Lucia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:04 17:37
Sunday, 15th September 2024 05:48 17:43
Monday, 30th September 2024 05:30 17:51

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