September weather forecastStörnstein, Germany
September
Weather in September
September, the first month of the autumn in Störnstein, is still a refreshing month, with temperature in the range of an average low of 8.5°C (47.3°F) and an average high of 18.2°C (64.8°F).Temperature
Setting in of September comes with a decrease in the average high-temperature, moving from a moderately hot 23.3°C (73.9°F) in August to an enjoyable 18.2°C (64.8°F). September nights cool down to an average low-temperature of 8.5°C (47.3°F).Humidity
In Störnstein, the average relative humidity in September is 79%.Rainfall
In Störnstein, during September, the rain falls for 11.8 days and regularly aggregates up to 31mm (1.22") of precipitation. In Störnstein, during the entire year, the rain falls for 152.3 days and collects up to 482mm (18.98") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:27 and sunset at 19:54. On the last day of September, sunrise is at 07:10 and sunset at 18:51 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 3. 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: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Störnstein, Germany
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Störnstein, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Störnstein, Germany
- Average wind speed in September: 8.6km/h
The windiest months (with the highest average wind speed) are March and December (11.3km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Störnstein, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall in September
Störnstein, Germany
- Average rainfall in September: 31mm
The wettest months (with the highest rainfall) are May and August (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Störnstein, Germany
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Störnstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Störnstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Störnstein, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Störnstein, Germany
- Average sunshine days in September: 16 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Störnstein, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Störnstein, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Störnstein, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The month with the lowest visibility is January (6km).
