Click on a day for an hourly weather forecast
The temperatures in Hasselt in September are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in Hasselt 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 Hasselt in September 2025.
If you’re planning to visit Hasselt in the near future, we highly recommend that you review the 14 day weather forecast for Hasselt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 9 | 16 | 7 | 84 mm | Awful | Hasselt in January |
| February | 6° / 1° | 7 | 15 | 6 | 70 mm | Awful | Hasselt in February |
| March | 11° / 3° | 7 | 22 | 2 | 68 mm | Awful | Hasselt in March |
| April | 15° / 5° | 4 | 25 | 1 | 51 mm | Good | Hasselt in April |
| May | 18° / 8° | 6 | 25 | 0 | 93 mm | Good | Hasselt in May |
| June | 21° / 12° | 6 | 24 | 0 | 100 mm | Good | Hasselt in June |
| July | 23° / 13° | 6 | 25 | 0 | 100 mm | Perfect | Hasselt in July |
| August | 23° / 14° | 5 | 26 | 0 | 95 mm | Perfect | Hasselt in August |
| September | 20° / 11° | 4 | 26 | 0 | 63 mm | Good | Hasselt in September |
| October | 15° / 8° | 5 | 26 | 0 | 65 mm | Good | Hasselt in October |
| November | 10° / 5° | 7 | 22 | 1 | 74 mm | Bad | Hasselt in November |
| December | 6° / 2° | 10 | 17 | 4 | 101 mm | Awful | Hasselt in December |