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
With the onset of September, Dormagen experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 24.1°C (75.4°F) in August to a refreshing 19.7°C (67.5°F). An average minimum temperature of 11.3°C (52.3°F) is recorded in Dormagen during the month of September.Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Dormagen, Germany, during the entire year, the rain falls for 197.7 days and collects up to 620mm (24.41") of precipitation.Snowfall
In Dormagen, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 38min.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.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average September temperature in Dormagen?
What is the average humidity in September in Dormagen?
How many days does it rain in September in Dormagen?
When it does not snow in Dormagen?
How many hours of daylight does Dormagen have in September?
When are sunrise and sunset in September in Dormagen?
How many hours of sunshine does Dormagen have in September?
What is the UV index intensity in September in Dormagen?
Average temperature in September
Dormagen, Germany
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Dormagen, 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 (1013.2mbar).
Average wind speed in September
Dormagen, Germany
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is February (14.5km/h).
The calmest months (with the lowest average wind speed) are August and September (10km/h).
Average humidity in September
Dormagen, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Dormagen, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Dormagen, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is September (13.5 days).
Average snowfall in September
Dormagen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dormagen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Dormagen, 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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Dormagen, Germany
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is April (13.3 days).
The months with the least sunshine days are February and December (8.2 days).
Average UV index in September
Dormagen, 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
Dormagen, 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 38).
Average visibility in September
Dormagen, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).
Dormagen, Germany
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