September weather forecastWittnau, Germany
September
Weather in September
September, the first month of the autumn in Wittnau, is also an enjoyable month, with an average temperature varying between 8.8°C (47.8°F) and 18.8°C (65.8°F).Temperature
In Wittnau, the average high-temperature in September slightly decreases from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.8°C (65.8°F). An average nighttime temperature of 8.8°C (47.8°F) is witnessed throughout September.Humidity
In September, the average relative humidity in Wittnau is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 7.4 days and accumulates 12mm (0.47") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Wittnau is 12h and 34min.On the first day of September, sunrise is at 06:47 and sunset at 20:09. On the last day of the month, sunrise is at 07:27 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Wittnau, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wittnau, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Wittnau, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Wittnau, Germany
- Average wind speed in September: 7.4km/h
The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Wittnau, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Wittnau, Germany
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Wittnau, Germany
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in September
Wittnau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Wittnau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wittnau, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Wittnau, Germany
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in September
Wittnau, 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, October, November and December (UV index 2).
Average cloud cover in September
Wittnau, Germany
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Wittnau, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
