Click on a day for an hourly weather forecast
The weather in Sarawak in September is very hot. The average temperatures are between 24°C and 32°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Sarawak. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Sarawak in September 2025.
If you’re planning to visit Sarawak in the near future, we highly recommend that you review the 14 day weather forecast for Sarawak before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 23° | 14 | 18 | 0 | 361 mm | Ok | Sarawak in January |
| February | 29° / 23° | 11 | 17 | 0 | 266 mm | Ok | Sarawak in February |
| March | 31° / 23° | 10 | 21 | 0 | 196 mm | Ok | Sarawak in March |
| April | 32° / 23° | 10 | 20 | 0 | 182 mm | Ok | Sarawak in April |
| May | 33° / 24° | 10 | 21 | 0 | 147 mm | Ok | Sarawak in May |
| June | 33° / 24° | 8 | 22 | 0 | 121 mm | Ok | Sarawak in June |
| July | 33° / 23° | 8 | 23 | 0 | 123 mm | Ok | Sarawak in July |
| August | 33° / 24° | 7 | 24 | 0 | 121 mm | Ok | Sarawak in August |
| September | 32° / 24° | 9 | 21 | 0 | 141 mm | Ok | Sarawak in September |
| October | 32° / 24° | 12 | 19 | 0 | 201 mm | Ok | Sarawak in October |
| November | 31° / 23° | 14 | 16 | 0 | 237 mm | Ok | Sarawak in November |
| December | 30° / 23° | 14 | 17 | 0 | 277 mm | Ok | Sarawak in December |