Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Düsseldorf?
What is the average humidity in September in Düsseldorf?
How many days does it rain in September in Düsseldorf?
When it does not snow in Düsseldorf?
What is the average length of the day in September in Düsseldorf?
When is the sunrise / sunset in September in Düsseldorf?
How many hours of sunshine does Düsseldorf have in September?
What is the UV index reading in September in Düsseldorf?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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