September weather forecastAltenplos, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Altenplos, Germany, with an average temperature fluctuating between 8.7°C (47.7°F) and 18°C (64.4°F).Temperature
With September's arrival, Altenplos sees a decrease in average high-temperatures, moving from a moderately hot 23°C (73.4°F) in August to a refreshing 18°C (64.4°F). Nightly temperatures drop to an average low of 8.7°C (47.7°F) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Altenplos, Germany, in September, during 11.3 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Altenplos, during the entire year, the rain falls for 160.8 days and collects up to 555mm (21.85") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Altenplos, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:29 and sunset at 19:57. On the last day of September, sunrise is at 07:13 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Altenplos, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altenplos, Germany
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 8.7°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 (-3.7°C).
Average pressure in September
Altenplos, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Altenplos, Germany
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Altenplos, 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, July and August (74%).
Average rainfall in September
Altenplos, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Altenplos, Germany
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Altenplos, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (219mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altenplos, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altenplos, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Altenplos, Germany
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in September
Altenplos, 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, November and December (UV index 1).
Average cloud cover in September
Altenplos, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Altenplos, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is January (6km).








