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Siemreab weather in September 2025
Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Siemreab in September. Check more long-term weather averages for Siemreab in September before you book your next holiday to Cambodia in 2025/2026.
- 3131°C max day temperature
- 5 hours of sunshine per day
- 1818 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 250250 mm of monthly rainfall
- 1111+ (Extreme) UV index
More about Siemreab
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Recommended for Cambodia
The September weather guide for Cambodia (Siemreab) 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 Cambodia
How hot is it in Siemreab in September?
Daytime temperatures usually reach 31°C in Siemreab in September with very high heat and humidity, falling to 24°C at night.
How sunny is it in Siemreab in September?
There are normally 5 hours of bright sunshine each day in Siemreab in September - that's 43% of daylight hours.
Does it rain in Siemreab in September?
There are usually 18 days with some rain in Siemreab in September and the average monthly rainfall is 250mm.
What is the chance of a typhoon in Siemreab in September?
On average less than 1 day in September in Siemreab is likely to be affected by the passage of one or more tropical storms.
Siemreab September sunrise & sunset times
Browse the sunrise and sunset times for Siemreab in September 2025. Select a month to view Siemreab sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:53 | 18:16 |
Monday, 15th September 2025 | 05:54 | 18:06 |
Tuesday, 30th September 2025 | 05:54 | 17:55 |
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