September weather forecastSondernheim, Germany
September
Weather in September
September, the first month of the autumn in Sondernheim, is also an agreeable month, with an average temperature varying between 20.6°C (69.1°F) and 11.4°C (52.5°F).Temperature
September brings a decrease in the average high-temperature, falling from August's moderately hot 25.8°C (78.4°F) to a pleasant 20.6°C (69.1°F). In September, the average low-temperature records at a cool 11.4°C (52.5°F) during the nights.Humidity
The average relative humidity in September is 72%.Rainfall
In September, the rain falls for 10.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Sondernheim, during the entire year, the rain falls for 164.2 days and collects up to 434mm (17.09") of precipitation.Snowfall
In Sondernheim, snow does not fall in April through September.Daylight
In Sondernheim, Germany, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:43 and sunset at 20:09. On the last day of the month, sunrise is at 07:25 and sunset at 19:07 CEST.
Sunshine
In Sondernheim, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sondernheim, Germany
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Sondernheim, Germany
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Sondernheim, 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 (8.7km/h).
Average humidity in September
Sondernheim, Germany
- Average humidity in September: 72%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Sondernheim, Germany
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Sondernheim, Germany
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Sondernheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (44mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sondernheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sondernheim, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
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 30min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Sondernheim, Germany
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Sondernheim, 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
Sondernheim, Germany
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Sondernheim, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
