Click on a day for an hourly weather forecast
The temperatures in Mossel Bay in September are usually low and can range between 12°C and 19°C.
The wather in Mossel Bay in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Mossel Bay in September 2025.
If you’re planning to visit Mossel Bay in the near future, we highly recommend that you review the 14 day weather forecast for Mossel Bay before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 19° | 3 | 28 | 0 | 48 mm | Perfect | Mossel Bay in January |
| February | 24° / 19° | 2 | 26 | 0 | 42 mm | Perfect | Mossel Bay in February |
| March | 23° / 18° | 3 | 29 | 0 | 43 mm | Perfect | Mossel Bay in March |
| April | 22° / 15° | 3 | 27 | 0 | 45 mm | Good | Mossel Bay in April |
| May | 20° / 14° | 3 | 28 | 0 | 55 mm | Good | Mossel Bay in May |
| June | 18° / 12° | 4 | 26 | 0 | 74 mm | Good | Mossel Bay in June |
| July | 18° / 12° | 4 | 27 | 0 | 71 mm | Good | Mossel Bay in July |
| August | 18° / 11° | 3 | 28 | 0 | 67 mm | Good | Mossel Bay in August |
| September | 19° / 12° | 2 | 28 | 0 | 51 mm | Good | Mossel Bay in September |
| October | 20° / 14° | 3 | 28 | 0 | 61 mm | Good | Mossel Bay in October |
| November | 21° / 15° | 3 | 27 | 0 | 65 mm | Good | Mossel Bay in November |
| December | 22° / 17° | 2 | 29 | 0 | 34 mm | Good | Mossel Bay in December |