Weather in Dusseldorf in September 2025
Average weather
Average temperature in Dusseldorf in September
The temperature in September is +24°C on average, with a range between a maximum of +31°C during the day and a minimum of +10°C at night.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +21°C to +19°C.
Is Dusseldorf warm or cold in September?
Dusseldorf is typically mild in September.
Maximum temperatures go down compared to the previous month from +23°C to +19°C. The minimum temperature also goes down from +14°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Dusseldorf:
Climate in Dusseldorf in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +23°C | +19°C | +15°C | ||||
| Min. temperature | ||||||
| +6°C | +2°C | -5°C | ||||
| Max. temperature | ||||||
| +37°C | +33°C | +27°C | ||||
| Rainfall | ||||||
| 68 mm | 60 mm | 69 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 71% | 76% | 80% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 6 | 6 | 5 | ||||
| Cloudy days | ||||||
| 6 | 7 | 9 | ||||
| Rainy days | ||||||
| 16 | 16 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +23°C in the day, the average maximum temperature lowers to +19°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 68 mm to 60 mm. Humidity rises from 71% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 6 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Dusseldorf is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Dusseldorf?
Climate Change over Years
The climate in Dusseldorf in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+12°C) and the highest in 2022 (+17°C). The driest year was 1991 with only 566 mm of rainfall, and the wettest year was 2023 with 1469 mm.
FAQ
Is September a good time to visit Dusseldorf?
Can you sunbathe in Dusseldorf in September?
Is Dusseldorf rainy in September?
Is it sunny in Dusseldorf in September?
Other cities in Germany
Monthly weather in Dusseldorf
Source of the data
For this page, we’ve looked at the typical weather in Dusseldorf, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.