September weather forecastMechernich, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Mechernich, Germany, with an average temperature fluctuating between 18.4°C (65.1°F) and 9.8°C (49.6°F).Temperature
With the onset of September, Mechernich experiences a modest temperature adjustment, with the average high-temperature gently receding from an agreeable 22.5°C (72.5°F) in August to an enjoyable 18.4°C (65.1°F). Mechernich records a steady low-temperature average of 9.8°C (49.6°F) during September.Humidity
In September, the average relative humidity in Mechernich is 80%.Rainfall
In Mechernich, in September, during 14.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Mechernich, Germany, during the entire year, the rain falls for 197.5 days and collects up to 570mm (22.44") of precipitation.Snowfall
In Mechernich, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:48 and sunset at 20:18. On the last day of September, in Mechernich, sunrise is at 07:32 and sunset at 19:13 CEST.
Sunshine
In Mechernich, Germany, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mechernich, Germany
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in September
Mechernich, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Mechernich, Germany
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Mechernich, Germany
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Mechernich, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Mechernich, Germany
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (13.4 days).
Average snowfall in September
Mechernich, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (75mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Mechernich, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mechernich, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Mechernich, Germany
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is February (8 days).
Average UV index in September
Mechernich, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mechernich, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Mechernich, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).








