September weather forecastStommeln, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Stommeln, Germany, with an average temperature fluctuating between 11.1°C (52°F) and 19.6°C (67.3°F).Temperature
Stommeln's transition into September involves a gentle shift in temperature, receding from a moderately hot 23.9°C (75°F) in August to an enjoyable 19.6°C (67.3°F). Stommeln records a consistent low-temperature of 11.1°C (52°F) during September nights.Humidity
In Stommeln, the average relative humidity in September is 76%.Rainfall
The months with the least rainfall are April and September Rain falls for 5.5 days and accumulates 5mm (0.2") of rain.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 06:47 and sunset at 20:18. On the last day of September, sunrise is at 07:32 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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
Stommeln, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.9°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 (14.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Stommeln, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Stommeln, Germany
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest months (with the lowest average wind speed) are August and September (10.2km/h).
Average humidity in September
Stommeln, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Stommeln, Germany
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is August (12mm).
The driest months (with the least rainfall) are April and September (5mm).
Average rainfall days in September
Stommeln, Germany
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is June (8.4 days).
The month with the least rainy days is September (5.5 days).
Average snowfall in September
Stommeln, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Stommeln, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Stommeln, 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 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Stommeln, Germany
- Average sunshine days in September: 22 days
The month with the most sunshine days is April (22.5 days).
The month with the least sunshine days is June (18.7 days).
Average UV index in September
Stommeln, 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
Stommeln, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Stommeln, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
