Click on a day for an hourly weather forecast
The temperatures in Brunssum 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 Brunssum 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 Brunssum in September 2026.
If you’re planning to visit Brunssum in the near future, we highly recommend that you review the 14 day weather forecast for Brunssum before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 8 | 16 | 7 | 68 mm | Awful | Brunssum in January |
| February | 6° / 1° | 7 | 16 | 6 | 62 mm | Awful | Brunssum in February |
| March | 11° / 3° | 6 | 23 | 2 | 59 mm | Bad | Brunssum in March |
| April | 15° / 6° | 4 | 25 | 1 | 44 mm | Good | Brunssum in April |
| May | 18° / 9° | 6 | 25 | 0 | 82 mm | Good | Brunssum in May |
| June | 21° / 12° | 5 | 25 | 0 | 86 mm | Good | Brunssum in June |
| July | 23° / 14° | 5 | 26 | 0 | 87 mm | Perfect | Brunssum in July |
| August | 24° / 14° | 4 | 27 | 0 | 79 mm | Perfect | Brunssum in August |
| September | 20° / 11° | 4 | 26 | 0 | 54 mm | Good | Brunssum in September |
| October | 15° / 8° | 5 | 26 | 0 | 55 mm | Good | Brunssum in October |
| November | 10° / 5° | 6 | 23 | 1 | 56 mm | Ok | Brunssum in November |
| December | 6° / 2° | 8 | 18 | 5 | 87 mm | Awful | Brunssum in December |