September weather forecastHollenbach, Germany
September
Weather in September
September, the first month of the autumn in Hollenbach, is still a comfortable month, with an average temperature fluctuating between 18.7°C (65.7°F) and 9.2°C (48.6°F).Temperature
September brings a slight decrease in temperature, down from a warm 23.3°C (73.9°F) in August to a refreshing 18.7°C (65.7°F). Hollenbach observes an average nighttime low-temperature of 9.2°C (48.6°F) during the month of September.Humidity
In Hollenbach, the average relative humidity in September is 81%.Rainfall
In Hollenbach, Germany, in September, during 13.2 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 166.6 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Hollenbach, Germany, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:33 and sunset at 19:57. On the last day of September, in Hollenbach, Germany, sunrise is at 07:14 and sunset at 18:56 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Hollenbach is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hollenbach, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 9.2°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 (-2.8°C).
Average pressure in September
Hollenbach, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Hollenbach, Germany
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is March (13km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Hollenbach, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Hollenbach, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is November (25mm).
Average rainfall days in September
Hollenbach, Germany
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Hollenbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (104mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hollenbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hollenbach, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Hollenbach, Germany
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Hollenbach, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Hollenbach, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Hollenbach, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
