September weather forecastAltenberge, Germany
September
Weather in September
September, the first month of the autumn in Altenberge, is still a refreshing month, with an average temperature fluctuating between 18.6°C (65.5°F) and 11.1°C (52°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from an agreeable 22.7°C (72.9°F) in August to a comfortable 18.6°C (65.5°F). Altenberge's September nights cool down to an average low-temperature of 11.1°C (52°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Altenberge, in September, during 15.1 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Altenberge, during the entire year, the rain falls for 196.8 days and collects up to 528mm (20.79") of precipitation.Snowfall
In Altenberge, snow does not fall in May through October.Daylight
In Altenberge, the average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 06:42 and sunset at 20:17. On the last day of the month, sunrise is at 07:30 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine in Altenberge is 7.7h.UV index
In Altenberge, Germany, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altenberge, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (0.3°C).
Average pressure in September
Altenberge, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Altenberge, Germany
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Altenberge, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Altenberge, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Altenberge, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Altenberge, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Altenberge, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
Altenberge, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Altenberge, Germany
- Average sunshine days in September: 11.7 days
The months with the most sunshine days are March and April (13.2 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Altenberge, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Altenberge, Germany
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Altenberge, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
