September weather forecastMayen, Germany
September
Weather in September
September, the first month of the autumn in Mayen, is still a comfortable month, with an average temperature varying between 19°C (66.2°F) and 9.3°C (48.7°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 23.3°C (73.9°F) in August to a refreshing 19°C (66.2°F). Mayen, in September, experiences an average temperature of 9.3°C (48.7°F) at night.Humidity
In Mayen, the average relative humidity in September is 79%.Rainfall
In Mayen, in September, during 12.2 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Mayen, there are 168.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
In Mayen, Germany, snow does not fall in June through October.Daylight
In Mayen, Germany, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:46 and sunset at 20:15. On the last day of September, sunrise is at 07:30 and sunset at 19:11 CEST.
Sunshine
In Mayen, Germany, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Mayen is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake precautions - Guarding against sun damage is counselled. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mayen, Germany
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Mayen, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Mayen, Germany
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Mayen, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Mayen, Germany
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Mayen, Germany
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Mayen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Mayen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mayen, 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 6min).
- Average sunshine in September: 8h and 24min
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 30min).
Average sunshine days in September
Mayen, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Mayen, 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, November and December (UV index 2).
Average cloud cover in September
Mayen, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Mayen, 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, November and December (7km).
