September weather forecastFlein, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Flein, Germany, with an average temperature fluctuating between 19.7°C (67.5°F) and 10°C (50°F).Temperature
The arrival of September signals a subtle shift in temperature, down from a moderately hot 24.5°C (76.1°F) in August to an enjoyable 19.7°C (67.5°F). During the month of September, Flein experiences a steady low-temperature average of 10°C (50°F).Humidity
The average relative humidity in September in Flein, Germany, is 77%.Rainfall
In Flein, in September, during 12.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Flein, Germany, during the entire year, the rain falls for 175.1 days and collects up to 581mm (22.87") of precipitation.Snowfall
May through September are months without snowfall in Flein.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Flein, sunrise is at 06:40 and sunset at 20:05. On the last day of the month, sunrise is at 07:22 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September in Flein 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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flein, Germany
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Flein, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in September
Flein, Germany
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Flein, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Flein, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Flein, Germany
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Flein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Flein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flein, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Flein, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Flein, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Flein, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Flein, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).





