September weather forecastFrohnau, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Frohnau, Germany, with an average temperature varying between 19.9°C (67.8°F) and 11.4°C (52.5°F).Temperature
In the transition to September, Frohnau observes a minor drop in the average high-temperature, shifting from a moderately hot 24.8°C (76.6°F) in August to a refreshing 19.9°C (67.8°F). In Frohnau, in September, the average low-temperature is a cool 11.4°C (52.5°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 152.6 rainfall days, and 380mm (14.96") of precipitation is accumulated.Snowfall
In Frohnau, snow does not fall in May through October.Daylight
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 19:54. On the last day of the month, sunrise is at 07:07 and sunset at 18:46 CEST.
Sunshine
In Frohnau, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frohnau, Germany
- Average high temperature in September: 19.9°C
The warmest months (with the highest average high temperature) are July and 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 (-1.9°C).
Average pressure in September
Frohnau, 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
Frohnau, Germany
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Frohnau, Germany
- Average humidity in September: 72%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Frohnau, Germany
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Frohnau, Germany
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in September
Frohnau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (59mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Frohnau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 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
Frohnau, 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 42min
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
Frohnau, Germany
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in September
Frohnau, Germany
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Frohnau, 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
Frohnau, Germany
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).
