Click on a day for an hourly weather forecast
The temperatures in Mortsel in September are usually low and can range between 12°C and 20°C.
The wather in Mortsel 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 Mortsel in September 2025.
If you’re planning to visit Mortsel in the near future, we highly recommend that you review the 14 day weather forecast for Mortsel before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 6 | 21 | 4 | 38 mm | Awful | Mortsel in January |
| February | 7° / 2° | 5 | 19 | 4 | 31 mm | Bad | Mortsel in February |
| March | 11° / 4° | 4 | 26 | 1 | 31 mm | Ok | Mortsel in March |
| April | 15° / 6° | 2 | 27 | 1 | 21 mm | Good | Mortsel in April |
| May | 18° / 9° | 3 | 28 | 0 | 38 mm | Good | Mortsel in May |
| June | 22° / 12° | 3 | 27 | 0 | 44 mm | Good | Mortsel in June |
| July | 23° / 14° | 3 | 28 | 0 | 43 mm | Perfect | Mortsel in July |
| August | 23° / 14° | 3 | 28 | 0 | 42 mm | Perfect | Mortsel in August |
| September | 20° / 12° | 2 | 28 | 0 | 25 mm | Good | Mortsel in September |
| October | 15° / 9° | 3 | 28 | 0 | 30 mm | Good | Mortsel in October |
| November | 10° / 6° | 5 | 25 | 1 | 36 mm | Ok | Mortsel in November |
| December | 7° / 3° | 6 | 23 | 3 | 42 mm | Bad | Mortsel in December |