September weather forecastAlzenau, Germany
September
Weather in September
September, the first month of the autumn in Alzenau, is also an agreeable month, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 20°C (68°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 24.8°C (76.6°F) in August to a pleasant 20°C (68°F). Alzenau's nighttime temperature during September is consistently averaged at a fresh 10.5°C (50.9°F).Humidity
In September, the average relative humidity in Alzenau is 75%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, in Alzenau, there are 139.5 rainfall days, and 293mm (11.54") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September is 12h and 37min.On the first day of September in Alzenau, sunrise is at 06:39 and sunset at 20:07. On the last day of the month, sunrise is at 07:23 and sunset at 19:04 CEST.
Sunshine
In Alzenau, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Alzenau, Germany, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alzenau, Germany
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is July (24.9°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 10.5°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 (-0.9°C).
Average pressure in September
Alzenau, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Alzenau, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Alzenau, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Alzenau, Germany
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are May and August (34mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Alzenau, Germany
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Alzenau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Alzenau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 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
Alzenau, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Alzenau, Germany
- Average sunshine days in September: 18 days
The month with the most sunshine days is September (18 days).
The months with the least sunshine days are June and December (13.5 days).
Average UV index in September
Alzenau, 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
Alzenau, Germany
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Alzenau, 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).





