Click on a day for an hourly weather forecast
The temperatures in Geel 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 Geel 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 Geel in September 2026.
If you’re planning to visit Geel in the near future, we highly recommend that you review the 14 day weather forecast for Geel before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 8 | 17 | 6 | 93 mm | Awful | Geel in January |
| February | 7° / 2° | 8 | 15 | 6 | 79 mm | Awful | Geel in February |
| March | 11° / 3° | 7 | 22 | 2 | 73 mm | Awful | Geel in March |
| April | 15° / 6° | 4 | 25 | 1 | 49 mm | Good | Geel in April |
| May | 18° / 8° | 6 | 25 | 0 | 77 mm | Good | Geel in May |
| June | 21° / 12° | 5 | 25 | 0 | 77 mm | Good | Geel in June |
| July | 23° / 14° | 5 | 26 | 0 | 74 mm | Perfect | Geel in July |
| August | 23° / 14° | 4 | 27 | 0 | 74 mm | Perfect | Geel in August |
| September | 20° / 11° | 4 | 26 | 0 | 45 mm | Good | Geel in September |
| October | 15° / 8° | 5 | 26 | 0 | 62 mm | Good | Geel in October |
| November | 10° / 5° | 8 | 22 | 1 | 85 mm | Bad | Geel in November |
| December | 7° / 3° | 10 | 18 | 3 | 114 mm | Awful | Geel in December |