September weather forecastFrechen, Germany
September
Weather in September
September, the first month of the autumn in Frechen, is still a refreshing month, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 19.6°C (67.3°F).Temperature
In Frechen, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 23.9°C (75°F) to a refreshing 19.6°C (67.3°F). During September, an average low-temperature of 11.1°C (52°F) is observed in Frechen.Humidity
The average relative humidity in September is 76%.Rainfall
The months with the least rainfall in Frechen are April and September Rain falls for 5.5 days and accumulates 5mm (0.2") of rain.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September in Frechen, sunrise is at 06:47 and sunset at 20:17. On the last day of the month, sunrise is at 07:32 and sunset at 19:12 CEST.
Sunshine
In Frechen, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Frechen is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frechen, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Frechen, 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 (1013.3mbar).
Average wind speed in September
Frechen, Germany
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest months (with the lowest average wind speed) are August and September (10.2km/h).
Average humidity in September
Frechen, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Frechen, Germany
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is August (12mm).
The driest months (with the least rainfall) are April and September (5mm).
Average rainfall days in September
Frechen, Germany
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is June (8.4 days).
The month with the least rainy days is September (5.5 days).
Average snowfall in September
Frechen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Frechen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Frechen, 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 0min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Frechen, Germany
- Average sunshine days in September: 22 days
The month with the most sunshine days is April (22.5 days).
The month with the least sunshine days is June (18.7 days).
Average UV index in September
Frechen, Germany
- Average UV index in September: 4
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
Frechen, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Frechen, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





