September weather forecastKerpen, Germany
September
Weather in September
September, the first month of the autumn in Kerpen, is also an enjoyable month, with an average temperature varying between 10.5°C (50.9°F) and 18.8°C (65.8°F).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 23°C (73.4°F) in August to a comfortable 18.8°C (65.8°F). Kerpen experiences a mean temperature of 10.5°C (50.9°F) during September nights.Humidity
In Kerpen, Germany, the average relative humidity in September is 78%.Rainfall
In Kerpen, in September, during 8.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Kerpen, there are 133.2 rainfall days, and 300mm (11.81") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Kerpen, Germany, the average length of the day in September is 12h and 38min.On the first day of September in Kerpen, sunrise is at 06:47 and sunset at 20:18. On the last day of the month, sunrise is at 07:32 and sunset at 19:13 CEST.
Sunshine
In Kerpen, the average sunshine in September is 8.4h.UV index
In Kerpen, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kerpen, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (0.1°C).
Average pressure in September
Kerpen, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Kerpen, Germany
- Average wind speed in September: 10.4km/h
The windiest months (with the highest average wind speed) are February and December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Kerpen, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Kerpen, Germany
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Kerpen, Germany
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in September
Kerpen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Kerpen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 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
Kerpen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Kerpen, Germany
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is December (14.7 days).
Average UV index in September
Kerpen, 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
Kerpen, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Kerpen, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
