September weather forecastGnissau, Germany
September
Weather in September
September, the first month of the autumn in Gnissau, is still a comfortable month, with an average temperature varying between 18.3°C (64.9°F) and 11.2°C (52.2°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from a pleasant 22.3°C (72.1°F) in August to a refreshing 18.3°C (64.9°F). During September, Gnissau's temperature falls to a steady low-temperature average of 11.2°C (52.2°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Gnissau, there are 167.9 rainfall days, and 404mm (15.91") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Gnissau.Daylight
In September, the average length of the day in Gnissau is 12h and 41min.On the first day of the month, sunrise is at 06:27 and sunset at 20:08. On the last day of September, sunrise is at 07:19 and sunset at 18:56 CEST.
Sunshine
In Gnissau, the average sunshine in September is 7.9h.UV index
In Gnissau, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gnissau, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Gnissau, Germany
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is September (1016.1mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in September
Gnissau, Germany
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in September
Gnissau, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Gnissau, Germany
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Gnissau, Germany
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Gnissau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Gnissau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.4 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
Gnissau, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Gnissau, Germany
- Average sunshine days in September: 13 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in September
Gnissau, 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 January (UV index 1).
Average cloud cover in September
Gnissau, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Gnissau, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
