September weather forecastMendig, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Mendig, Germany, with an average temperature fluctuating between 19°C (66.2°F) and 9.3°C (48.7°F).Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 23.3°C (73.9°F) in August to a refreshing 19°C (66.2°F). Mendig records an average nighttime low-temperature of 9.3°C (48.7°F) throughout September.Humidity
In September, the average relative humidity in Mendig is 79%.Rainfall
In Mendig, during September, the rain falls for 12.2 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Mendig, there are 168.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
In Mendig, Germany, snow does not fall in June through October.Daylight
The average length of the day in September in Mendig, Germany, 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, in Mendig, sunrise is at 07:30 and sunset at 19:11 CEST.
Sunshine
In Mendig, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Mendig is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
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
Mendig, 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
Mendig, 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
Mendig, 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
Mendig, 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).
