Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's onset brings a negligible change in high-temperatures, falling from a pleasant 22.9°C (73.2°F) in August to a refreshing 18.2°C (64.8°F). During September, the average low-temperature is a chilly 7.6°C (45.7°F).Humidity
In September, the average relative humidity in Ummendorf is 84%.Rainfall
In Ummendorf, Germany, in September, during 15.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 175.6 rainfall days, and 934mm (36.77") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Ummendorf, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 06:39 and sunset at 20:01. On the last day of the month, sunrise is at 07:19 and sunset at 19:01 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Ummendorf, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ummendorf?
What is the average humidity in September in Ummendorf?
How many days does it rain in September in Ummendorf?
When it does not snow in Ummendorf?
Does it snow in Ummendorf in September?
How many hours of daylight does Ummendorf have in September?
When is the sunrise / sunset in September in Ummendorf?
How many hours of sunshine does Ummendorf have in September?
What is the UV index intensity in September in Ummendorf?
Average temperature in September
Ummendorf, Germany
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in September
Ummendorf, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Ummendorf, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Ummendorf, Germany
- Average humidity in September: 84%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Ummendorf, Germany
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is May (129mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days in September
Ummendorf, Germany
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is May (24.5 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Ummendorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (263mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ummendorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ummendorf, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Ummendorf, Germany
- Average sunshine days in September: 11.9 days
The months with the most sunshine days are October and November (15 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in September
Ummendorf, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Ummendorf, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Ummendorf, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August, September and November (8km).
The months with the lowest visibility are January, February, October and December (7km).
