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The weather in Siargao in September is very hot. The average temperatures are between 26°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Siargao.
Siargao 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 Siargao in September 2025.
If you’re planning to visit Siargao in the near future, we highly recommend that you review the 14 day weather forecast for Siargao before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 24° | 2 | 29 | 0 | 59 mm | Good | Siargao in January |
| February | 30° / 24° | 1 | 27 | 0 | 29 mm | Good | Siargao in February |
| March | 32° / 25° | 2 | 29 | 0 | 36 mm | Good | Siargao in March |
| April | 34° / 26° | 4 | 26 | 0 | 75 mm | Ok | Siargao in April |
| May | 34° / 27° | 8 | 23 | 0 | 159 mm | Bad | Siargao in May |
| June | 32° / 27° | 12 | 19 | 0 | 269 mm | Ok | Siargao in June |
| July | 31° / 26° | 17 | 14 | 0 | 394 mm | Ok | Siargao in July |
| August | 31° / 26° | 14 | 17 | 0 | 296 mm | Ok | Siargao in August |
| September | 31° / 26° | 15 | 15 | 0 | 317 mm | Ok | Siargao in September |
| October | 31° / 25° | 10 | 21 | 0 | 216 mm | Ok | Siargao in October |
| November | 31° / 25° | 3 | 27 | 0 | 101 mm | Good | Siargao in November |
| December | 30° / 25° | 3 | 28 | 0 | 84 mm | Good | Siargao in December |