September weather forecastSteinweiler, Germany
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Steinweiler, Germany, with an average temperature fluctuating between 20.3°C (68.5°F) and 10.6°C (51.1°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 25.2°C (77.4°F) to a pleasant 20.3°C (68.5°F). In Steinweiler, the expected average low-temperature for September is a cool 10.6°C (51.1°F).Humidity
In Steinweiler, the average relative humidity in September is 75%.Rainfall
In Steinweiler, Germany, in September, during 10.9 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Steinweiler, Germany, during the entire year, the rain falls for 164.9 days and collects up to 463mm (18.23") of precipitation.Snowfall
In Steinweiler, snow does not fall in April through September.Daylight
In Steinweiler, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:44 and sunset at 20:09. On the last day of the month, sunrise is at 07:26 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Steinweiler, Germany
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Steinweiler, Germany
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Steinweiler, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Steinweiler, Germany
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in September
Steinweiler, Germany
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Steinweiler, Germany
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Steinweiler, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (53mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Steinweiler, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Steinweiler, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Steinweiler, Germany
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are April and September (16.6 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Steinweiler, Germany
- Average UV index in September: 4
The months with the highest UV index are May, 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
Steinweiler, Germany
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Steinweiler, 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).
