September weather forecastFlachslanden, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Flachslanden, Germany, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.5°C (65.3°F).Temperature
September involves a decrease in temperature, down from a moderately hot 23.7°C (74.7°F) in August to an enjoyable 18.5°C (65.3°F). September nights are marked by an average temperature drop to a chilly 9.5°C (49.1°F).Humidity
In Flachslanden, the average relative humidity in September is 79%.Rainfall
In Flachslanden, in September, it is raining for 13.5 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 163.1 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Flachslanden.Daylight
In Flachslanden, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:34 and sunset at 20:00. On the last day of September, sunrise is at 07:16 and sunset at 18:58 CEST.
Sunshine
In Flachslanden, the average sunshine in September is 8.6h.UV index
In Flachslanden, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flachslanden, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Flachslanden, Germany
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Flachslanden, Germany
- Average wind speed in September: 9.5km/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 (9.3km/h).
Average humidity in September
Flachslanden, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Flachslanden, Germany
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (74mm).
The driest month (with the least rainfall) is March (27mm).
Average rainfall days in September
Flachslanden, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Flachslanden, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (74mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Flachslanden, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flachslanden, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Flachslanden, Germany
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in September
Flachslanden, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Flachslanden, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Flachslanden, 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).
