Click on a day for an hourly weather forecast
The temperatures in Dusseldorf in September are comfortable with low of 12°C and and high up to 21°C.
The wather in Dusseldorf 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 Dusseldorf in September 2025.
If you’re planning to visit Dusseldorf in the near future, we highly recommend that you review the 14 day weather forecast for Dusseldorf before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 7 | 17 | 7 | 37 mm | Awful | Dusseldorf in January |
| February | 7° / 1° | 5 | 18 | 5 | 29 mm | Bad | Dusseldorf in February |
| March | 11° / 3° | 5 | 25 | 2 | 32 mm | Bad | Dusseldorf in March |
| April | 15° / 6° | 2 | 27 | 1 | 24 mm | Good | Dusseldorf in April |
| May | 18° / 9° | 4 | 27 | 0 | 43 mm | Good | Dusseldorf in May |
| June | 22° / 12° | 3 | 27 | 0 | 47 mm | Good | Dusseldorf in June |
| July | 24° / 14° | 4 | 27 | 0 | 50 mm | Perfect | Dusseldorf in July |
| August | 24° / 15° | 2 | 29 | 0 | 42 mm | Perfect | Dusseldorf in August |
| September | 21° / 12° | 2 | 28 | 0 | 27 mm | Good | Dusseldorf in September |
| October | 15° / 8° | 3 | 28 | 0 | 31 mm | Good | Dusseldorf in October |
| November | 10° / 5° | 4 | 25 | 1 | 30 mm | Ok | Dusseldorf in November |
| December | 6° / 2° | 6 | 21 | 4 | 42 mm | Awful | Dusseldorf in December |