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Diani Beach weather in September 2025
Expect 84°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Diani Beach in September. Check more long-term weather averages for Diani Beach in September before you book your next holiday to Kenya in 2025/2026.
- 8484°F max day temperature
- 9 hours of sunshine per day
- 1212 days with some rainfall
- 7070°F min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 2.52.5 inches of monthly rainfall
- 1111+ (Extreme) UV index
- 7777°F sea temperature
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Diani Beach by month
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Recommended for Kenya
The September weather guide for Kenya (Diani Beach) 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) | Imperial (°F)
More about Kenya
How hot is it in Diani Beach in September?
Daytime temperatures usually reach 84°F in Diani Beach in September with high heat and humidity, falling to 70°F at night.
How sunny is it in Diani Beach in September?
There are normally 9 hours of bright sunshine each day in Diani Beach in September - that's 71% of daylight hours.
How warm is the sea around Diani Beach in September?
The average sea temperature around Diani Beach in September is 77°F.
Does it rain in Diani Beach in September?
There are usually 12 days with some rain in Diani Beach in September and the average monthly rainfall is 2.5 inches.
Diani Beach September sunrise & sunset times
Browse the sunrise and sunset times for Diani Beach in September 2025. Select a month to view Diani Beach sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:21 | 18:22 |
Monday, 15th September 2025 | 06:14 | 18:19 |
Tuesday, 30th September 2025 | 06:07 | 18:16 |
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