September weather forecastGriesen, Germany
September
Weather in September
September, the first month of the autumn in Griesen, is also an enjoyable month, with an average temperature varying between 11.1°C (52°F) and 19.5°C (67.1°F).Temperature
Transition into September marks a drop in the average high-temperature, moving from a warm 24.5°C (76.1°F) in August to an enjoyable 19.5°C (67.1°F). In Griesen, the average low-temperature during the month of September is a cool 11.1°C (52°F).Humidity
The average relative humidity in September is 73%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Griesen, Germany, during the entire year, the rain falls for 138.7 days and collects up to 270mm (10.63") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:23 and sunset at 19:57. On the last day of September, sunrise is at 07:10 and sunset at 18:49 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In Griesen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Griesen, Germany
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-1.9°C).
Average pressure in September
Griesen, Germany
- Average pressure in September: 1017.3mbar
The months with the highest atmospheric pressure are September and October (1017.3mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Griesen, Germany
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Griesen, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Griesen, Germany
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Griesen, Germany
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Griesen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Griesen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Griesen, 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: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Griesen, Germany
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is April (16.9 days).
The month with the least sunshine days is December (12.5 days).
Average UV index in September
Griesen, 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
Griesen, Germany
- Average cloud cover in September: 38
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Griesen, Germany
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
