September weather forecastBacknang, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Backnang, Germany, with temperature in the range of an average low of 10.1°C (50.2°F) and an average high of 19.6°C (67.3°F).Temperature
The average high-temperature decreases in September, shifting from a moderately hot 24.6°C (76.3°F) in August to an enjoyable 19.6°C (67.3°F). During the month of September, an average low-temperature of 10.1°C (50.2°F) is recorded.Humidity
The average relative humidity in September is 76%.Rainfall
In Backnang, during September, the rain falls for 11.9 days and regularly aggregates up to 31mm (1.22") of precipitation. In Backnang, Germany, during the entire year, the rain falls for 162.8 days and collects up to 525mm (20.67") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Backnang, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:39 and sunset at 20:04. On the last day of the month, sunrise is at 07:21 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Backnang, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Backnang, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Backnang, Germany
- Average wind speed in September: 8.2km/h
The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Backnang, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Backnang, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Backnang, Germany
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in September
Backnang, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Backnang, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Backnang, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Backnang, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Backnang, 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
Backnang, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Backnang, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).





