Click on a day for an hourly weather forecast
The temperatures in Koh Kong during September are extremely high, between 27°C and hot as 29°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Koh Kong.
Koh Kong 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 Koh Kong in September 2025.
If you’re planning to visit Koh Kong in the near future, we highly recommend that you review the 14 day weather forecast for Koh Kong before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 25° | 4 | 27 | 0 | 97 mm | Good | Koh Kong in January |
| February | 29° / 26° | 2 | 26 | 0 | 72 mm | Good | Koh Kong in February |
| March | 29° / 27° | 6 | 25 | 0 | 139 mm | Good | Koh Kong in March |
| April | 30° / 28° | 12 | 18 | 0 | 251 mm | Ok | Koh Kong in April |
| May | 30° / 28° | 17 | 14 | 0 | 417 mm | Ok | Koh Kong in May |
| June | 30° / 28° | 20 | 10 | 0 | 720 mm | Ok | Koh Kong in June |
| July | 29° / 27° | 21 | 10 | 0 | 812 mm | Ok | Koh Kong in July |
| August | 29° / 27° | 21 | 10 | 0 | 821 mm | Ok | Koh Kong in August |
| September | 29° / 27° | 19 | 11 | 0 | 707 mm | Ok | Koh Kong in September |
| October | 29° / 27° | 16 | 15 | 0 | 483 mm | Ok | Koh Kong in October |
| November | 29° / 26° | 11 | 19 | 0 | 286 mm | Ok | Koh Kong in November |
| December | 29° / 25° | 5 | 26 | 0 | 127 mm | Good | Koh Kong in December |