September weather forecastHolle, Germany
September
Weather in September
September, the first month of the autumn in Holle, is still a comfortable month, with an average temperature ranging between min 10.4°C (50.7°F) and max 18.9°C (66°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 23.8°C (74.8°F) in August to a comfortable 18.9°C (66°F). Throughout September, an average low-temperature of 10.4°C (50.7°F) is experienced in Holle.Humidity
The average relative humidity in September is 77%.Rainfall
In Holle, in September, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 158.9 rainfall days, and 355mm (13.98") of precipitation is accumulated.Snowfall
In Holle, Germany, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:31 and sunset at 20:06. On the last day of September, in Holle, sunrise is at 07:19 and sunset at 18:58 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Holle, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holle, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Holle, Germany
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Holle, Germany
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Holle, Germany
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Holle, Germany
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Holle, Germany
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Holle, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Holle, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 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
Holle, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Holle, Germany
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Holle, 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, March, November and December (UV index 2).
Average cloud cover in September
Holle, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Holle, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
