September weather forecastHalensee, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Halensee, Germany, with temperature in the range of an average high of 19.8°C (67.6°F) and an average low of 11.4°C (52.5°F).Temperature
September's onset corresponds with a shift in the average high-temperature, moving from a warm 24.8°C (76.6°F) in August to a refreshing 19.8°C (67.6°F). Halensee's nighttime temperature in September drops to an average of 11.4°C (52.5°F).Humidity
In Halensee, Germany, the average relative humidity in September is 72%.Rainfall
In Halensee, in September, during 12.3 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, there are 160.9 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Halensee.Daylight
In September, the average length of the day in Halensee, Germany, is 12h and 40min.On the first day of the month, sunrise is at 06:18 and sunset at 19:54. On the last day of September, in Halensee, sunrise is at 07:07 and sunset at 18:46 CEST.
Sunshine
The average sunshine in September in Halensee is 8.6h.UV index
In September, the average daily maximum UV index in Halensee is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halensee, Germany
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Halensee, Germany
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Halensee, Germany
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Halensee, Germany
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Halensee, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Halensee, Germany
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Halensee, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Halensee, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Halensee, 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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Halensee, Germany
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in September
Halensee, Germany
- Average UV index in September: 4
The months with the highest UV index are May, 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
Halensee, Germany
- Average cloud cover in September: 39
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Halensee, Germany
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).








