September weather forecastMengen, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Mengen, Germany, with an average temperature fluctuating between 18.3°C (64.9°F) and 8.5°C (47.3°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a pleasant 22.8°C (73°F) in August to a refreshing 18.3°C (64.9°F). During September, the average low-temperature is a frosty 8.5°C (47.3°F).Humidity
In September, the average relative humidity is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.8 days and typically collects 42mm (1.65") of precipitation.Snowfall
June through September are months without snowfall in Mengen.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:41 and sunset at 20:03. On the last day of September, in Mengen, sunrise is at 07:21 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Mengen, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mengen, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in September
Mengen, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Mengen, Germany
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (10.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Mengen, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Mengen, Germany
- Average rainfall in September: 42mm
The wettest months (with the highest rainfall) are May and August (93mm).
The driest month (with the least rainfall) is September (42mm).
Average rainfall days in September
Mengen, Germany
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (22.5 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Mengen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (325mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mengen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mengen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Mengen, Germany
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is May (6.2 days).
Average UV index in September
Mengen, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Mengen, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Mengen, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January, February, October and December (7km).
