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Hourly Forecast
Daylight Hours
05:55
Sunrise
17:55
Sunset
Moon
Waxing Gibbous
14:17
Moonrise
01:51
Moonset
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Wednesday
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View stargazing scoreWeather in Siem Reap–Angkor International Airport today, September 21, 2026
Expect unsettled, showery conditions in Siem Reap–Angkor International Airport on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 100% around 11:00. Cloud cover is also at its densest near 05:00 at roughly 100%.
The day peaks near 30°C and cools toward 24°C. Expect humidity between 79% and 99%, most humid near 19:00. Airflow remains manageable, reaching about 1.1 km/h around 13:00.
Afternoon showers stay in play, peaking near 100% around 12:00. Skies remain cluttered, with cover about 100% by 19:00. Visibility holds near 13.1 km, though it can fall to 4.1 km. Expect sunrise at 05:55, sunset at 17:55, and 11 hours 59 minutes of sunlight today overall.
In short, treat September 21, 2026 in Siem Reap–Angkor International Airport as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.
Frequently asked questions about weather in Siem Reap–Angkor International Airport
How warm does it get in Siem Reap–Angkor International Airport?
The warmest month in Siem Reap–Angkor International Airport is April, with average high temperatures of 36°C. The average temperature during this period is around 30°C.
How cold does it get in Siem Reap–Angkor International Airport?
The coldest month in Siem Reap–Angkor International Airport is January, with average low temperatures of 21°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Siem Reap–Angkor International Airport?
The wettest month in Siem Reap–Angkor International Airport is September, with an average of 314mm of precipitation.
What is the driest time of year in Siem Reap–Angkor International Airport?
The driest month in Siem Reap–Angkor International Airport is February, with an average of 11mm of precipitation.
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