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Phuket weather in September 2025
Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Phuket in September. Check more long-term weather averages for Phuket in September before you book your next holiday to Thailand in 2025/2026.
- 3030°C max day temperature
- 5 hours of sunshine per day
- 2323 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 398398 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
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Recommended for Thailand
The September weather guide for Thailand (Phuket) 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 Thailand
How hot is it in Phuket in September?
Daytime temperatures usually reach 30°C in Phuket in September with high heat and humidity, falling to 24°C at night.
How sunny is it in Phuket in September?
There are normally 5 hours of bright sunshine each day in Phuket in September - that's 43% of daylight hours.
How warm is the sea around Phuket in September?
The average sea temperature around Phuket in September is 29°C.
Does it rain in Phuket in September?
There are usually 23 days with some rain in Phuket in September and the average monthly rainfall is 398mm.
Phuket September sunrise & sunset times
Browse the sunrise and sunset times for Phuket in September 2025. Select a month to view Phuket sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:19 | 18:34 |
Monday, 15th September 2025 | 06:17 | 18:27 |
Tuesday, 30th September 2025 | 06:15 | 18:18 |
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