Click on a day for an hourly weather forecast
The temperatures in Genk 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 Genk 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 Genk in September 2025.
If you’re planning to visit Genk in the near future, we highly recommend that you review the 14 day weather forecast for Genk before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 8 | 14 | 9 | 89 mm | Awful | Genk in January |
| February | 6° / 1° | 8 | 13 | 8 | 74 mm | Awful | Genk in February |
| March | 10° / 3° | 7 | 21 | 3 | 71 mm | Awful | Genk in March |
| April | 14° / 5° | 4 | 24 | 1 | 52 mm | Good | Genk in April |
| May | 17° / 8° | 7 | 24 | 0 | 94 mm | Ok | Genk in May |
| June | 21° / 12° | 6 | 24 | 0 | 98 mm | Good | Genk in June |
| July | 23° / 13° | 6 | 25 | 0 | 100 mm | Perfect | Genk in July |
| August | 23° / 14° | 5 | 26 | 0 | 95 mm | Perfect | Genk in August |
| September | 20° / 11° | 4 | 26 | 0 | 60 mm | Good | Genk in September |
| October | 14° / 8° | 5 | 26 | 0 | 67 mm | Good | Genk in October |
| November | 9° / 5° | 9 | 20 | 2 | 75 mm | Awful | Genk in November |
| December | 6° / 2° | 11 | 14 | 6 | 103 mm | Awful | Genk in December |