Click on a day for an hourly weather forecast
The temperatures in Hagen in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Hagen 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 Hagen in September 2026.
If you’re planning to visit Hagen in the near future, we highly recommend that you review the 14 day weather forecast for Hagen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 10 | 8 | 13 | 117 mm | Awful | Hagen in January |
| February | 6° / 0° | 9 | 9 | 11 | 88 mm | Awful | Hagen in February |
| March | 10° / 2° | 8 | 16 | 6 | 85 mm | Awful | Hagen in March |
| April | 15° / 5° | 5 | 23 | 2 | 56 mm | Ok | Hagen in April |
| May | 18° / 8° | 7 | 24 | 0 | 85 mm | Ok | Hagen in May |
| June | 22° / 12° | 5 | 25 | 0 | 85 mm | Good | Hagen in June |
| July | 24° / 14° | 6 | 25 | 0 | 106 mm | Perfect | Hagen in July |
| August | 24° / 14° | 4 | 27 | 0 | 88 mm | Perfect | Hagen in August |
| September | 21° / 11° | 5 | 25 | 0 | 67 mm | Good | Hagen in September |
| October | 15° / 7° | 7 | 24 | 0 | 88 mm | Ok | Hagen in October |
| November | 9° / 4° | 8 | 19 | 3 | 88 mm | Awful | Hagen in November |
| December | 6° / 1° | 11 | 12 | 9 | 131 mm | Awful | Hagen in December |