September weather forecastHeiligensee, Germany
September
Weather in September
September, the first month of the autumn in Heiligensee, is also an enjoyable month, with an average temperature varying between 11.4°C (52.5°F) and 19.8°C (67.6°F).Temperature
Observing a mild shift, the average high-temperature during September reduces from August's moderately hot 24.8°C (76.6°F) to a comfortable 19.8°C (67.6°F). September nights in Heiligensee are marked by an average low-temperature of 11.4°C (52.5°F).Humidity
In September, the average relative humidity in Heiligensee is 72%.Rainfall
In Heiligensee, in September, it is raining for 12.3 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Heiligensee, snow does not fall in May through October.Daylight
In Heiligensee, Germany, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 06:18 and sunset at 19:55. On the last day of the month, sunrise is at 07:07 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine in Heiligensee is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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
Heiligensee, 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).
