Click on a day for an hourly weather forecast
The weather in Southern in September is very hot. The average temperatures are between 26°C and 28°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Southern.
Southern 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 Southern in September 2025.
If you’re planning to visit Southern in the near future, we highly recommend that you review the 14 day weather forecast for Southern before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 24° | 6 | 25 | 0 | 102 mm | Good | Southern in January |
| February | 30° / 25° | 7 | 22 | 0 | 104 mm | Ok | Southern in February |
| March | 31° / 26° | 10 | 22 | 0 | 147 mm | Ok | Southern in March |
| April | 30° / 27° | 13 | 17 | 0 | 259 mm | Ok | Southern in April |
| May | 30° / 27° | 18 | 13 | 0 | 629 mm | Ok | Southern in May |
| June | 29° / 26° | 17 | 13 | 0 | 540 mm | Ok | Southern in June |
| July | 29° / 26° | 17 | 14 | 0 | 430 mm | Ok | Southern in July |
| August | 28° / 26° | 17 | 14 | 0 | 506 mm | Good | Southern in August |
| September | 28° / 26° | 15 | 15 | 0 | 492 mm | Good | Southern in September |
| October | 29° / 26° | 14 | 17 | 0 | 394 mm | Ok | Southern in October |
| November | 29° / 25° | 15 | 15 | 0 | 364 mm | Ok | Southern in November |
| December | 29° / 25° | 11 | 20 | 0 | 195 mm | Ok | Southern in December |