Click on a day for an hourly weather forecast
The weather in Sanma in September is very hot. The average temperatures are between 23°C and 27°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Sanma during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sanma in September 2025.
If you’re planning to visit Sanma in the near future, we highly recommend that you review the 14 day weather forecast for Sanma before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 24° | 14 | 17 | 0 | 378 mm | Good | Sanma in January |
| February | 29° / 25° | 15 | 13 | 0 | 394 mm | Ok | Sanma in February |
| March | 29° / 25° | 16 | 15 | 0 | 389 mm | Ok | Sanma in March |
| April | 29° / 24° | 12 | 18 | 0 | 291 mm | Ok | Sanma in April |
| May | 28° / 24° | 7 | 24 | 0 | 187 mm | Good | Sanma in May |
| June | 27° / 24° | 7 | 23 | 0 | 156 mm | Good | Sanma in June |
| July | 26° / 23° | 3 | 28 | 0 | 102 mm | Perfect | Sanma in July |
| August | 26° / 22° | 4 | 27 | 0 | 101 mm | Perfect | Sanma in August |
| September | 27° / 23° | 4 | 26 | 0 | 103 mm | Perfect | Sanma in September |
| October | 27° / 24° | 9 | 22 | 0 | 251 mm | Good | Sanma in October |
| November | 27° / 24° | 10 | 20 | 0 | 244 mm | Good | Sanma in November |
| December | 28° / 24° | 12 | 19 | 0 | 247 mm | Good | Sanma in December |