September weather forecast
Düsseldorf, Germany

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The Rhine River shore during winter, in Düsseldorf in Germany
The Rhine River shore during winter, in Düsseldorf in Germany

Weather in September

By the time September rolls in, the city of Düsseldorf begins its transition into the fall season. Temperatures start to drop, making the climate more pleasing for sightseeing and exploring. The humidity takes a dip, and so does the pressure, contributing to comfortable weather. Interestingly, September experiences only 15mm (0.59") of rainfall, the second lowest in the year, occurring across 9.6 days. This reduction in rainfall, along with increased sunshine, paints a glorious portrait of Düsseldorf's lush landscapes and their autumnal hues.

Temperature

September's arrival in Düsseldorf signals a moderate reduction in the average high-temperature, easing from a moderately hot 23.8°C (74.8°F) in August to a refreshing 19.4°C (66.9°F). Throughout the month of September, the nighttime temperature in Düsseldorf dips to an average of 11.6°C (52.9°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Düsseldorf, during September, the rain falls for 9.6 days and regularly aggregates up to 15mm (0.59") of precipitation. In Düsseldorf, during the entire year, the rain falls for 156.3 days and collects up to 267mm (10.51") of precipitation.

Snowfall

In Düsseldorf, snow does not fall in April through October.

Daylight

In Düsseldorf, Germany, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:46 and sunset at 20:18. On the last day of September, in Düsseldorf, sunrise is at 07:32 and sunset at 19:12 CEST.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Düsseldorf, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the average September temperature in Düsseldorf?

September temperatures in Düsseldorf vary between a high-temperature of 19.4°C (66.9°F) and a low-temperature of 11.6°C (52.9°F).

What is the average humidity in September in Düsseldorf?

In September, the average relative humidity in Düsseldorf is 76%.

How many days does it rain in September in Düsseldorf?

In Düsseldorf, Germany, in September, it is raining for 9.6 days, with typically 15mm (0.59") of accumulated precipitation.

When it does not snow in Düsseldorf?

In Düsseldorf, Germany, snow does not fall in April through October.

What is the average length of the day in September in Düsseldorf?

In September, the average day length in Düsseldorf is 12h and 38min.

When is the sunrise / sunset in September in Düsseldorf?

On the first day of September, sunrise is at 06:46 and sunset at 20:18. On the last day of the month, sunrise is at 07:32 and sunset at 19:12 CEST.

How many hours of sunshine does Düsseldorf have in September?

In Düsseldorf, Germany, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Düsseldorf?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Düsseldorf, Germany

Average temperature in September - Düsseldorf, Germany
  • Average high temperature in September: 19.4°C

The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in September: 11.6°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Düsseldorf, Germany

Average pressure in September - Düsseldorf, Germany
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).

Average wind speed in September
Düsseldorf, Germany

Average wind speed in September - Düsseldorf, Germany
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in September
Düsseldorf, Germany

Average humidity in September - Düsseldorf, Germany
  • Average humidity in September: 76%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Düsseldorf, Germany

Average rainfall in September - Düsseldorf, Germany
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Düsseldorf, Germany

Average rainfall days in September - Düsseldorf, Germany
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.6 days).

Average snowfall in September
Düsseldorf, Germany

Average snowfall in September - Düsseldorf, Germany
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Düsseldorf, Germany

Average snowfall days in September - Düsseldorf, Germany
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Düsseldorf, Germany

Average daylight in September / Average sunshine in September - Düsseldorf, Germany
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in September
Düsseldorf, Germany

Average sunshine days in September - Düsseldorf, Germany
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is December (10 days).

Average UV index in September
Düsseldorf, Germany

Average UV index in September - Düsseldorf, Germany
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Düsseldorf, Germany

Average cloud cover in September - Düsseldorf, Germany
  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Düsseldorf, Germany

Average visibility in September - Düsseldorf, Germany
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).

Düsseldorf, Germany

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