Click on a day for an hourly weather forecast
The weather in Cambodia in September is very hot. The average temperatures are between 25°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Cambodia.
Cambodia should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Cambodia in September 2025.
If you’re planning to visit Cambodia in the near future, we highly recommend that you review the 14 day weather forecast for Cambodia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 22° | 1 | 30 | 0 | 30 mm | Good | Cambodia in January |
| February | 35° / 24° | 1 | 27 | 0 | 30 mm | Ok | Cambodia in February |
| March | 36° / 26° | 3 | 28 | 0 | 75 mm | Ok | Cambodia in March |
| April | 36° / 27° | 10 | 20 | 0 | 223 mm | Bad | Cambodia in April |
| May | 35° / 27° | 15 | 16 | 0 | 268 mm | Bad | Cambodia in May |
| June | 34° / 26° | 16 | 14 | 0 | 226 mm | Bad | Cambodia in June |
| July | 33° / 25° | 15 | 16 | 0 | 206 mm | Ok | Cambodia in July |
| August | 33° / 25° | 16 | 15 | 0 | 244 mm | Ok | Cambodia in August |
| September | 32° / 25° | 20 | 10 | 0 | 353 mm | Ok | Cambodia in September |
| October | 32° / 25° | 16 | 15 | 0 | 363 mm | Ok | Cambodia in October |
| November | 31° / 24° | 6 | 24 | 0 | 160 mm | Good | Cambodia in November |
| December | 31° / 22° | 3 | 28 | 0 | 69 mm | Good | Cambodia in December |