September weather forecastSehlen, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sehlen, Germany, with an average temperature varying between 17.5°C (63.5°F) and 13°C (55.4°F).Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 21.3°C (70.3°F) in August to an enjoyable 17.5°C (63.5°F). Throughout September, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 13°C (55.4°F).Humidity
The average relative humidity in September in Sehlen is 77%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Sehlen, during the entire year, the rain falls for 171.4 days and collects up to 410mm (16.14") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 06:15 and sunset at 19:57. On the last day of the month, sunrise is at 07:07 and sunset at 18:44 CEST.
Sunshine
In Sehlen, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Sehlen is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Sun damage prevention is strongly urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sehlen, Germany
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in September
Sehlen, Germany
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is September (1016.1mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Sehlen, Germany
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest month (with the lowest average wind speed) is August (16.5km/h).
Average humidity in September
Sehlen, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Sehlen, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Sehlen, Germany
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Sehlen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sehlen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Sehlen, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Sehlen, Germany
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in September
Sehlen, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Sehlen, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Sehlen, Germany
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





