September weather forecastBiebern, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Biebern, Germany, with an average temperature fluctuating between 18.9°C (66°F) and 9.3°C (48.7°F).Temperature
With the commencement of September, Biebern records a moderate temperature decline, with the average high easing from August's warm 23.4°C (74.1°F) to an enjoyable 18.9°C (66°F). In the month of September, an average of 9.3°C (48.7°F) marks the low-temperature in Biebern.Humidity
In Biebern, the average relative humidity in September is 79%.Rainfall
In Biebern, Germany, during September, the rain falls for 13.1 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Biebern, there are 153.9 rainfall days, and 437mm (17.2") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:46 and sunset at 20:14. On the last day of the month, sunrise is at 07:29 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index in Biebern, Germany, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biebern, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in September
Biebern, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Biebern, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Biebern, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Biebern, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Biebern, Germany
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Biebern, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Biebern, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Biebern, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Biebern, Germany
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Biebern, Germany
- Average UV index in September: 3
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, March, October, November and December (UV index 2).
Average cloud cover in September
Biebern, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Biebern, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).





