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 arrival of September, Gelsenkirchen experiences a modest decline in average high-temperatures, transitioning from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 19.2°C (66.6°F). During September, the average low-temperature is recorded at a cool 11.5°C (52.7°F).Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 7.1 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Gelsenkirchen, during the entire year, the rain falls for 109.7 days and collects up to 149mm (5.87") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Gelsenkirchen is 12h and 38min.On the first day of the month, sunrise is at 06:45 and sunset at 20:17. On the last day of September, in Gelsenkirchen, sunrise is at 07:31 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are September temperatures in Gelsenkirchen?
What is the average humidity in September in Gelsenkirchen?
How many days does it rain in September in Gelsenkirchen?
When it does not snow in Gelsenkirchen?
What is the average length of the day in September in Gelsenkirchen?
When is the sunrise / sunset in September in Gelsenkirchen?
How long on average sun shines in September in Gelsenkirchen?
How high is the UV index in September in Gelsenkirchen?
Average temperature in September
Gelsenkirchen, Germany
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (23.5°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Gelsenkirchen, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Gelsenkirchen, Germany
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in September
Gelsenkirchen, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Gelsenkirchen, Germany
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (17mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Gelsenkirchen, Germany
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is July (11.4 days).
The months with the least rainy days are February and September (7.1 days).
Average snowfall in September
Gelsenkirchen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gelsenkirchen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.3 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
Gelsenkirchen, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Gelsenkirchen, Germany
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is April (20.3 days).
The month with the least sunshine days is December (15.8 days).
Average UV index in September
Gelsenkirchen, 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
Gelsenkirchen, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Gelsenkirchen, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Gelsenkirchen, Germany
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