September weather forecastWaldbröl, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Waldbröl, Germany, with an average temperature fluctuating between 8.9°C (48°F) and 17.7°C (63.9°F).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's pleasant 22.1°C (71.8°F) to a refreshing 17.7°C (63.9°F). During September, the nighttime temperature in Waldbröl averages of 8.9°C (48°F).Humidity
The average relative humidity in September in Waldbröl is 83%.Rainfall
September is the month with the least rainfall in Waldbröl, Germany. Rain falls for 12.6 days and accumulates 31mm (1.22") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Waldbröl is 12h and 38min.On the first day of September, sunrise is at 06:44 and sunset at 20:14. On the last day of the month, sunrise is at 07:29 and sunset at 19:09 CEST.
Sunshine
The average sunshine in September in Waldbröl is 7.6h.UV index
In Waldbröl, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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: 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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
Waldbröl, 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).





