Click on a day for an hourly weather forecast
The temperatures in Gelsenkirchen in September are usually low and can range between 12°C and 20°C.
The wather in Gelsenkirchen in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Gelsenkirchen in September 2025.
If you’re planning to visit Gelsenkirchen in the near future, we highly recommend that you review the 14 day weather forecast for Gelsenkirchen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 1° | 7 | 17 | 7 | 46 mm | Awful | Gelsenkirchen in January |
| February | 6° / 1° | 5 | 17 | 6 | 38 mm | Awful | Gelsenkirchen in February |
| March | 10° / 3° | 5 | 24 | 2 | 35 mm | Bad | Gelsenkirchen in March |
| April | 15° / 6° | 3 | 26 | 1 | 26 mm | Good | Gelsenkirchen in April |
| May | 18° / 9° | 4 | 27 | 0 | 45 mm | Good | Gelsenkirchen in May |
| June | 22° / 12° | 4 | 26 | 0 | 53 mm | Good | Gelsenkirchen in June |
| July | 24° / 15° | 4 | 27 | 0 | 65 mm | Perfect | Gelsenkirchen in July |
| August | 24° / 15° | 3 | 28 | 0 | 56 mm | Perfect | Gelsenkirchen in August |
| September | 20° / 12° | 2 | 28 | 0 | 31 mm | Good | Gelsenkirchen in September |
| October | 15° / 8° | 4 | 27 | 0 | 38 mm | Good | Gelsenkirchen in October |
| November | 10° / 5° | 5 | 24 | 1 | 37 mm | Ok | Gelsenkirchen in November |
| December | 6° / 2° | 8 | 19 | 5 | 55 mm | Awful | Gelsenkirchen in December |