September weather forecastHolzhau, Germany
September
Weather in September
September, the first month of the autumn in Holzhau, is still a comfortable month, with temperature in the range of an average high of 18.4°C (65.1°F) and an average low of 9.5°C (49.1°F).Temperature
The onset of September comes with a shift in the average high-temperature, falling from a warm 23.7°C (74.7°F) in August to a comfortable 18.4°C (65.1°F). Holzhau records a consistent low-temperature of 9.5°C (49.1°F) during September nights.Humidity
In September, the average relative humidity is 76%.Rainfall
In Holzhau, in September, during 13.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 152.7 rainfall days, and 494mm (19.45") of precipitation is accumulated.Snowfall
In Holzhau, Germany, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:20 and sunset at 19:50. On the last day of September, sunrise is at 07:05 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holzhau, Germany
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Holzhau, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.9mbar).
Average wind speed in September
Holzhau, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Holzhau, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Holzhau, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Holzhau, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (22 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Holzhau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (195mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Holzhau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holzhau, 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 6min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Holzhau, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Holzhau, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Holzhau, Germany
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Holzhau, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





