September weather forecastUmmern, Germany
September
Weather in September
September, the first month of the autumn in Ummern, is still a comfortable month, with an average temperature ranging between max 19.1°C (66.4°F) and min 11.1°C (52°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 23.8°C (74.8°F) in August to a refreshing 19.1°C (66.4°F). During the month of September, Ummern anticipates a mean low-temperature of 11.1°C (52°F).Humidity
In Ummern, Germany, the average relative humidity in September is 76%.Rainfall
In Ummern, during September, the rain falls for 14.4 days and regularly aggregates up to 33mm (1.3") of precipitation. In Ummern, during the entire year, the rain falls for 186.2 days and collects up to 493mm (19.41") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Ummern, Germany, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:29 and sunset at 20:06. On the last day of September, in Ummern, sunrise is at 07:18 and sunset at 18:57 CEST.
Sunshine
In Ummern, the average sunshine in September is 8.2h.UV index
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 ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ummern, Germany
- Average high temperature in September: 19.1°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 (2.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in September
Ummern, Germany
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Ummern, Germany
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Ummern, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Ummern, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Ummern, Germany
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Ummern, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (66mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ummern, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 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
Ummern, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Ummern, Germany
- Average sunshine days in September: 12 days
The month with the most sunshine days is April (13.2 days).
The month with the least sunshine days is December (7.3 days).
Average UV index in September
Ummern, 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
Ummern, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Ummern, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).
