September weather forecastOettern, Germany
September
Weather in September
September, the first month of the autumn in Oettern, is still a comfortable month, with temperature in the range of an average low of 10.2°C (50.4°F) and an average high of 19.2°C (66.6°F).Temperature
September indicates a minor shift in the average high-temperature, from August's moderately hot 24.1°C (75.4°F) to a refreshing 19.2°C (66.6°F). Throughout September, the average low-temperature records at a cool 10.2°C (50.4°F).Humidity
The average relative humidity in September in Oettern is 74%.Rainfall
In Oettern, during September, the rain falls for 12.2 days and regularly aggregates up to 31mm (1.22") of precipitation. In Oettern, during the entire year, the rain falls for 155.6 days and collects up to 393mm (15.47") of precipitation.Snowfall
In Oettern, snow does not fall in June through September.Daylight
In September, the average length of the day in Oettern is 12h and 38min.On the first day of September, sunrise is at 06:29 and sunset at 19:59. On the last day of the month, sunrise is at 07:14 and sunset at 18:54 CEST.
Sunshine
In Oettern, Germany, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Oettern is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oettern, Germany
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).
Average pressure in September
Oettern, Germany
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are September and October (1017.7mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Oettern, Germany
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Oettern, Germany
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Oettern, Germany
- Average rainfall in September: 31mm
The wettest months (with the highest rainfall) are May, June and August (48mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Oettern, Germany
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Oettern, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Oettern, 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oettern, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Oettern, Germany
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Oettern, 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, March, November and December (UV index 2).
Average cloud cover in September
Oettern, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Oettern, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).





