Cambodia (Siem Reap)
September
Weather in Cambodia for September 2026
Your guide to Cambodia weather in September - trends and predictions
In general, the average temperature in Cambodia at the beginning of September is 30.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.7 °C by the end of September.
Cambodia experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 825.5 mm.
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
32°/24°
Temperatures
14 km/h
Avg max wind
82 %
Avg humidity
Cambodia Weather September
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What’s the Weather Like in Cambodia This September?
Discover the average temperatures and weather trends across Cambodia’s cities this September.
Temperatures trend during September in Cambodia
See the weather trend as well as the moving average line
September weather in Cambodia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 31° /23° | 14.5 mm | 7 | |
| 2 Sept. | Light rain shower | 31° /24° | 12.1 mm | 7 | |
| 3 Sept. | Patchy rain possible | 31° /24° | 14.1 mm | 7 | |
| 4 Sept. | Light rain shower | 31° /24° | 12.4 mm | 7 | |
| 5 Sept. | Light rain shower | 32° /24° | 23.1 mm | 7 | |
| 6 Sept. | Light rain shower | 30° /24° | 14 mm | 7 | |
| 7 Sept. | Patchy rain possible | 30° /24° | 6.7 mm | 7 | |
| 8 Sept. | Light rain shower | 31° /24° | 8.5 mm | 7 | |
| 9 Sept. | Light rain shower | 31° /24° | 18.4 mm | 7 | |
| 10 Sept. |  Moderate or heavy rain shower | 31° /24° | 8.7 mm | 7 | |
| 11 Sept. | Light rain shower | 30° /24° | 3.5 mm | 7 | |
| 12 Sept. |  Overcast | 31° /24° | 3.4 mm | 7 | |
| 13 Sept. | Overcast | 30° /24° | 6.1 mm | 7 | |
| 14 Sept. | Overcast | 30° /24° | 7.7 mm | 7 | |
| 15 Sept. | Overcast | 30° /23° | 3.4 mm | 6 | |
| 16 Sept. | Light rain shower | 29° /24° | 5.8 mm | 6 | |
| 17 Sept. | Light rain shower | 31° /24° | 7.8 mm | 7 | |
| 18 Sept. | Light rain shower | 29° /24° | 8.8 mm | 6 | |
| 19 Sept. | Light rain shower | 30° /23° | 8 mm | 6 | |
| 20 Sept. | Light rain shower | 31° /24° | 8.1 mm | 7 | |
| 21 Sept. |  Patchy light rain with thunder | 31° /24° | 9.3 mm | 7 | |
| 22 Sept. | Patchy rain possible | 29° /24° | 11.2 mm | 6 | |
| 23 Sept. | Light rain shower | 31° /24° | 5.6 mm | 6 | |
| 24 Sept. | Light rain shower | 30° /24° | 9.3 mm | 7 | |
| 25 Sept. | Light rain shower | 30° /24° | 4.3 mm | 7 | |
| 26 Sept. | Light rain shower | 29° /23° | 11.8 mm | 6 | |
| 27 Sept. | Light rain shower | 29° /23° | 4.8 mm | 6 | |
| 28 Sept. | Light rain shower | 29° /24° | 13 mm | 6 | |
| 29 Sept. | Light rain shower | 30° /24° | 3.1 mm | 7 | |
| 30 Sept. | Light rain shower | 31° /24° | 7.8 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Cambodia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cambodia forecast closer to your planned date for the most up-to-date weather information.
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Cambodia in September - FAQ
What are the expected maximum and minimum temperatures in Cambodia during September?
During September, expect a variety of temperatures with highs around 32° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cambodia during September?
Significant rainfall exceeding 825.5 mm is expected in Cambodia during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cambodia during September?
The average wind speed in Cambodia during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cambodia
Explore the daily rainfall trends and prepare for Cambodias September weather 💧
UV exposure in Cambodia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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