September weather forecastSönnebüll, Germany
September
Weather in September
September, the first month of the autumn in Sönnebüll, is also an enjoyable month, with an average temperature fluctuating between 17.3°C (63.1°F) and 12.1°C (53.8°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a pleasant 20.5°C (68.9°F) in August to a refreshing 17.3°C (63.1°F). During the nights in September, Sönnebüll experiences a consistent average temperature of 12.1°C (53.8°F).Humidity
In Sönnebüll, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 17.8 days. Throughout September, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 188.6 rainfall days, and 589mm (23.19") of precipitation is accumulated.Snowfall
In Sönnebüll, Germany, snow does not fall in May through October.Daylight
The average length of the day in September in Sönnebüll is 12h and 43min.On the first day of the month, sunrise is at 06:32 and sunset at 20:15. On the last day of September, in Sönnebüll, sunrise is at 07:25 and sunset at 19:02 CEST.
Sunshine
In Sönnebüll, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index in Sönnebüll is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sönnebüll, Germany
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is August (20.5°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Sönnebüll, Germany
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Sönnebüll, Germany
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is August (15.1km/h).
Average humidity in September
Sönnebüll, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Sönnebüll, Germany
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is August (77mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Sönnebüll, Germany
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Sönnebüll, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sönnebüll, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Sönnebüll, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Sönnebüll, Germany
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in September
Sönnebüll, Germany
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Sönnebüll, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Sönnebüll, Germany
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
