September weather forecastTönning, Germany
September
Weather in September
September, the first month of the autumn in Tönning, is still a comfortable month, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 17.3°C (63.1°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from a pleasant 20.5°C (68.9°F) in August to a comfortable 17.3°C (63.1°F). September brings with it a nighttime average temperature of 12.1°C (53.8°F).Humidity
In Tönning, 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. In Tönning, Germany, during the entire year, the rain falls for 188.6 days and collects up to 589mm (23.19") of precipitation.Snowfall
May through October are months without snowfall in Tönning.Sea temperature
In Tönning, the average seawater temperature in September is 17.5°C (63.5°F).Note: In water with a temperature of 17.5°C (63.5°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
The average length of the day in September in Tönning, Germany, is 12h and 42min.On the first day of the month, sunrise is at 06:32 and sunset at 20:15. On the last day of September, in Tönning, sunrise is at 07:25 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine in Tönning is 7.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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 sea temperature in September
Tönning, Germany
- Average sea temperature in September: 17.5°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is January (3.8°C).
Average daylight in September /
Average sunshine in September
Tönning, 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: 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
Tönning, 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
Tönning, 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
Tönning, 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
Tönning, 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).
