September weather forecastGriethausen, Germany
September
Weather in September
September, the first month of the autumn in Griethausen, is still a comfortable month, with an average temperature fluctuating between 11.1°C (52°F) and 18.9°C (66°F).Temperature
With the arrival of September, Griethausen experiences a modest decline in average high-temperatures, transitioning from an agreeable 22.8°C (73°F) in August to a refreshing 18.9°C (66°F). During September, Griethausen sees a mean low-temperature of 11.1°C (52°F).Humidity
In September, the average relative humidity in Griethausen is 81%.Rainfall
In Griethausen, in September, during 12.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Griethausen, Germany, there are 163.8 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
In Griethausen, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September in Griethausen, sunrise is at 06:48 and sunset at 20:21. On the last day of the month, sunrise is at 07:35 and sunset at 19:14 CEST.
Sunshine
In Griethausen, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Griethausen is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Griethausen, Germany
- Average high temperature in September: 18.9°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 (4.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Griethausen, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Griethausen, Germany
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (11.6km/h).
Average humidity in September
Griethausen, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Griethausen, Germany
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Griethausen, Germany
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is December (16 days).
The month with the least rainy days is April (11 days).
Average snowfall in September
Griethausen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Griethausen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 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
Griethausen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Griethausen, Germany
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (11.2 days).
Average UV index in September
Griethausen, 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, November and December (UV index 2).
Average cloud cover in September
Griethausen, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Griethausen, Germany
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
