Usually the weather in Dusseldorf all through September is 12 with usual highs being around 18 with low daily temperautes being 11 degrees.
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 11 |
| Sunshine Per Day | 6 |
Useful Links: Dusseldorf Weather: Average Weather & Yearly Climate