Click on a day for an hourly weather forecast
The temperatures in Heerlen in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in Heerlen 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 Heerlen in September 2024.
If you’re planning to visit Heerlen in the near future, we highly recommend that you review the 14 day weather forecast for Heerlen before you arrive.
Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
---|---|---|---|---|---|---|---|
January | 4° / 1° | 9 | 13 | 9 | 86 mm | Awful | Heerlen in January |
February | 6° / 1° | 8 | 13 | 7 | 74 mm | Awful | Heerlen in February |
March | 10° / 3° | 7 | 21 | 3 | 71 mm | Awful | Heerlen in March |
April | 14° / 6° | 5 | 24 | 1 | 51 mm | Good | Heerlen in April |
May | 17° / 9° | 7 | 24 | 0 | 96 mm | Ok | Heerlen in May |
June | 21° / 12° | 6 | 24 | 0 | 102 mm | Good | Heerlen in June |
July | 23° / 14° | 6 | 25 | 0 | 93 mm | Perfect | Heerlen in July |
August | 23° / 14° | 5 | 26 | 0 | 89 mm | Perfect | Heerlen in August |
September | 19° / 11° | 4 | 26 | 0 | 63 mm | Good | Heerlen in September |
October | 14° / 8° | 6 | 25 | 0 | 66 mm | Good | Heerlen in October |
November | 9° / 5° | 8 | 20 | 2 | 71 mm | Awful | Heerlen in November |
December | 6° / 2° | 10 | 15 | 6 | 100 mm | Awful | Heerlen in December |