September weather forecastAlt Zachun, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Alt Zachun, Germany, with temperature in the range of an average high of 18.4°C (65.1°F) and an average low of 10.6°C (51.1°F).Temperature
September is characterized by a mild reduction in the average high-temperature, from an agreeable 22.8°C (73°F) in August to a comfortable 18.4°C (65.1°F). The average temperature during September nights in Alt Zachun is registered at a fresh 10.6°C (51.1°F).Humidity
In Alt Zachun, the average relative humidity in September is 79%.Rainfall
In Alt Zachun, Germany, in September, it is raining for 14.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, in Alt Zachun, there are 168.8 rainfall days, and 378mm (14.88") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Alt Zachun.Daylight
In Alt Zachun, the average length of the day in September is 12h and 41min.On the first day of September in Alt Zachun, sunrise is at 06:24 and sunset at 20:04. On the last day of the month, sunrise is at 07:15 and sunset at 18:53 CEST.
Sunshine
In Alt Zachun, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alt Zachun, Germany
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Alt Zachun, Germany
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Alt Zachun, Germany
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in September
Alt Zachun, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Alt Zachun, Germany
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Alt Zachun, Germany
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Alt Zachun, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alt Zachun, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Alt Zachun, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Alt Zachun, Germany
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is March (14.4 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Alt Zachun, 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, March, November and December (UV index 2).
Average cloud cover in September
Alt Zachun, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Alt Zachun, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





