Click on a day for an hourly weather forecast
The weather in Saigon in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Saigon.
Saigon 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 Saigon in September 2025.
If you’re planning to visit Saigon in the near future, we highly recommend that you review the 14 day weather forecast for Saigon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 23° | 2 | 29 | 0 | 38 mm | Good | Saigon in January |
| February | 35° / 24° | 1 | 27 | 0 | 20 mm | Ok | Saigon in February |
| March | 36° / 26° | 2 | 29 | 0 | 39 mm | Ok | Saigon in March |
| April | 35° / 27° | 9 | 21 | 0 | 159 mm | Bad | Saigon in April |
| May | 34° / 27° | 18 | 13 | 0 | 314 mm | Bad | Saigon in May |
| June | 32° / 26° | 21 | 9 | 0 | 386 mm | Ok | Saigon in June |
| July | 31° / 25° | 22 | 9 | 0 | 379 mm | Ok | Saigon in July |
| August | 32° / 25° | 22 | 9 | 0 | 399 mm | Ok | Saigon in August |
| September | 31° / 25° | 21 | 9 | 0 | 396 mm | Ok | Saigon in September |
| October | 31° / 25° | 18 | 13 | 0 | 389 mm | Ok | Saigon in October |
| November | 32° / 24° | 9 | 21 | 0 | 178 mm | Ok | Saigon in November |
| December | 32° / 24° | 4 | 27 | 0 | 66 mm | Good | Saigon in December |