September weather forecastHeidenau, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Heidenau, Germany, with an average temperature fluctuating between 18.7°C (65.7°F) and 9.8°C (49.6°F).Temperature
Onset of September witnesses a reduction in the average high-temperature, falling from a warm 23.8°C (74.8°F) in August to a refreshing 18.7°C (65.7°F). September in Heidenau sees the temperature falling to a mean low of 9.8°C (49.6°F).Humidity
In Heidenau, the average relative humidity in September is 76%.Rainfall
In Heidenau, Germany, in September, during 12.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Heidenau, during the entire year, the rain falls for 162.9 days and collects up to 462mm (18.19") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Heidenau, Germany, is 12h and 38min.On the first day of the month, sunrise is at 06:18 and sunset at 19:49. On the last day of September, sunrise is at 07:04 and sunset at 18:44 CEST.
Sunshine
In Heidenau, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Heidenau, Germany, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heidenau, Germany
- Average high temperature in September: 18.7°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 (1.2°C).
- Average low temperature in September: 9.8°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 (-3.3°C).
Average pressure in September
Heidenau, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1014.8mbar).
Average wind speed in September
Heidenau, Germany
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Heidenau, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Heidenau, Germany
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Heidenau, Germany
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Heidenau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Heidenau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heidenau, 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: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Heidenau, Germany
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Heidenau, 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 November and December (UV index 1).
Average cloud cover in September
Heidenau, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Heidenau, 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).





