September weather forecastSteffeln, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Steffeln, Germany, with temperature in the range of an average high of 18°C (64.4°F) and an average low of 8.8°C (47.8°F).Temperature
The average high-temperature shows a slight dip in September, from August's agreeable 22°C (71.6°F) to an enjoyable 18°C (64.4°F). Throughout September, Steffeln witnesses a consistent average low-temperature of 8.8°C (47.8°F).Humidity
The average relative humidity in September in Steffeln is 81%.Rainfall
The months with the least rainfall in Steffeln are April and September Rain falls for 13.4 days and accumulates 34mm (1.34") of rain.Snowfall
June through September are months without snowfall in Steffeln.Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:49 and sunset at 20:17. On the last day of the month, sunrise is at 07:33 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Steffeln is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Steffeln, Germany
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Steffeln, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in September
Steffeln, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Steffeln, Germany
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Steffeln, Germany
- Average rainfall in September: 34mm
The wettest months (with the highest rainfall) are May and June (65mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in September
Steffeln, Germany
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Steffeln, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Steffeln, Germany
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Steffeln, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Steffeln, Germany
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in September
Steffeln, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Steffeln, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Steffeln, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, October, November and December (7km).
