September weather forecastGummersbach, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Gummersbach, Germany, with an average temperature ranging between min 8.9°C (48°F) and max 17.7°C (63.9°F).Temperature
Gummersbach records a mild change in average high-temperature during September, easing from an agreeable 22.1°C (71.8°F) in August to a refreshing 17.7°C (63.9°F). Throughout the month of September, Gummersbach sees a steady low-temperature average of 8.9°C (48°F).Humidity
In Gummersbach, the average relative humidity in September is 83%.Rainfall
The month with the least rainfall in Gummersbach is September, when the rain falls for 12.6 days and typically collects 31mm (1.22") of precipitation.Snowfall
In Gummersbach, snow does not fall in May through September.Daylight
In Gummersbach, Germany, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:44 and sunset at 20:15. On the last day of September, sunrise is at 07:29 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine in Gummersbach, Germany, is 7.6h.UV index
In Gummersbach, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gummersbach, Germany
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.2°C).
Average pressure in September
Gummersbach, 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
Gummersbach, Germany
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Gummersbach, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is December (92%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Gummersbach, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Gummersbach, Germany
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Gummersbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (149mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Gummersbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 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
Gummersbach, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Gummersbach, Germany
- Average sunshine days in September: 15.3 days
The months with the most sunshine days are September and October (15.3 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Gummersbach, 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, March, November and December (UV index 2).
Average cloud cover in September
Gummersbach, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Gummersbach, Germany
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, September, October, November and December (7km).





