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.
- 2424°C max day temperature
- 7 hours of sunshine per day
- 99 days with some rainfall
- 1616°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 8787 mm of monthly rainfall
- 88 (Very High) UV index
- 2222°C sea temperature
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