Soufriere weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Soufriere in September. Check more long-term weather averages for Soufriere in September before you book your next holiday to St Lucia in 2025/2026.

  • 30°C maximum daytime temperature in September in Soufriere30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 24 days with some rainfall in September in Soufriere24
    24 days with some rainfall
  • 24°C minimum night-time temperature in September in Soufriere24
    24°C min night temperature
  • 12 hours of daylight per day in September in Soufriere12
    12 hours of daylight per day
  • High heat & humidity in September in SoufriereH
    High heat & humidity
  • 259 mm monthly rainfall in September in Soufriere259
    259 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Soufriere11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Soufriere29
    29°C sea temperature

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The September weather guide for St Lucia (Soufriere) 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 St Lucia

How hot is it in Soufriere in September?

Daytime temperatures usually reach 30°C in Soufriere in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Soufriere in September?

There are normally 8 hours of bright sunshine each day in Soufriere in September - that's 62% of daylight hours.

How warm is the sea around Soufriere in September?

The average sea temperature around Soufriere in September is 29°C.

Does it rain in Soufriere in September?

There are usually 24 days with some rain in Soufriere in September and the average monthly rainfall is 259mm.

What is the chance of a hurricane in Soufriere in September?

On average 1 day in September in Soufriere is likely to be affected by the passage of one or more tropical storms.

Soufriere September sunrise & sunset times

Browse the sunrise and sunset times for Soufriere in September 2025. Select a month to view Soufriere sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:53 18:15
Monday, 15th September 2025 05:53 18:05
Tuesday, 30th September 2025 05:54 17:54

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