September weather forecastGornau, Germany
September
Weather in September
September, the first month of the autumn in Gornau, is still a comfortable month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 17.8°C (64°F).Temperature
A moderate decline in the average high-temperature is seen during September, decreasing from an agreeable 22.8°C (73°F) in August to an enjoyable 17.8°C (64°F). In September, the average low-temperature is a chilly 9.3°C (48.7°F).Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 45mm (1.77") of precipitation is accumulated. In Gornau, during the entire year, the rain falls for 160.3 days and collects up to 507mm (19.96") of precipitation.Snowfall
In Gornau, 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 September, sunrise is at 06:22 and sunset at 19:52. On the last day of the month, sunrise is at 07:07 and sunset at 18:47 CEST.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gornau, Germany
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Gornau, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.9mbar).
Average wind speed in September
Gornau, Germany
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Gornau, Germany
- Average humidity in September: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Gornau, Germany
- Average rainfall in September: 45mm
The wettest months (with the highest rainfall) are July and August (61mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Gornau, Germany
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Gornau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gornau, 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
Gornau, 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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Gornau, Germany
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in September
Gornau, 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, November and December (UV index 1).
Average cloud cover in September
Gornau, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Gornau, Germany
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
