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Cap Estate weather in September 2025
Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Cap Estate in September. Check more long-term weather averages for Cap Estate in September before you book your next holiday to St Lucia in 2025/2026.
- 30°C max day temperature
30 - 8 hours of sunshine per day
- 25 days with some rainfall
25 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 224 mm of monthly rainfall
224 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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The September weather guide for St Lucia (Cap Estate) 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)
More about St Lucia
How hot is it in Cap Estate in September?
Daytime temperatures usually reach 30°C in Cap Estate in September with very high heat and humidity, falling to 24°C at night.
How sunny is it in Cap Estate in September?
There are normally 8 hours of bright sunshine each day in Cap Estate in September - that's 62% of daylight hours.
How warm is the sea around Cap Estate in September?
The average sea temperature around Cap Estate in September is 29°C.
Does it rain in Cap Estate in September?
There are usually 25 days with some rain in Cap Estate in September and the average monthly rainfall is 224mm.
What is the chance of a hurricane in Cap Estate in September?
On average 1.1 days in September in Cap Estate are likely to be affected by the passage of one or more tropical storms.
Cap Estate September sunrise & sunset times
Browse the sunrise and sunset times for Cap Estate in September 2025. Select a month to view Cap Estate sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:52 | 18:15 |
| Monday, 15th September 2025 | 05:53 | 18:05 |
| Tuesday, 30th September 2025 | 05:53 | 17:54 |
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