Click on a day for an hourly weather forecast
The temperatures in Lanaken 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 Lanaken 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 Lanaken in September 2026.
If you’re planning to visit Lanaken in the near future, we highly recommend that you review the 14 day weather forecast for Lanaken before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 9 | 14 | 8 | 85 mm | Awful | Lanaken in January |
| February | 6° / 1° | 8 | 13 | 7 | 74 mm | Awful | Lanaken in February |
| March | 10° / 3° | 7 | 21 | 3 | 71 mm | Awful | Lanaken in March |
| April | 15° / 6° | 4 | 25 | 1 | 47 mm | Good | Lanaken in April |
| May | 18° / 9° | 6 | 25 | 0 | 89 mm | Good | Lanaken in May |
| June | 21° / 12° | 6 | 24 | 0 | 95 mm | Good | Lanaken in June |
| July | 23° / 14° | 5 | 26 | 0 | 89 mm | Perfect | Lanaken in July |
| August | 23° / 14° | 4 | 27 | 0 | 85 mm | Perfect | Lanaken in August |
| September | 20° / 11° | 4 | 26 | 0 | 55 mm | Good | Lanaken in September |
| October | 15° / 8° | 5 | 26 | 0 | 57 mm | Good | Lanaken in October |
| November | 10° / 5° | 7 | 21 | 1 | 65 mm | Bad | Lanaken in November |
| December | 6° / 2° | 10 | 16 | 5 | 95 mm | Awful | Lanaken in December |