September weather forecastSondheim, Germany
September
Weather in September
September, the first month of the autumn in Sondheim, is still a refreshing month, with an average temperature fluctuating between 8.9°C (48°F) and 17.7°C (63.9°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from an agreeable 22.6°C (72.7°F) in August to a refreshing 17.7°C (63.9°F). September brings Sondheim a consistent average low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in September in Sondheim is 80%.Rainfall
In Sondheim, in September, during 13.8 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Sondheim, during the entire year, the rain falls for 170.1 days and collects up to 514mm (20.24") of precipitation.Snowfall
June through September are months without snowfall in Sondheim.Daylight
In September, the average length of the day in Sondheim is 12h and 37min.On the first day of the month, sunrise is at 06:34 and sunset at 20:03. On the last day of September, sunrise is at 07:18 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Sondheim is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 3 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sondheim, Germany
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Sondheim, Germany
- Average pressure in September: 1017.9mbar
The months with the highest atmospheric pressure are September and October (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Sondheim, Germany
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Sondheim, Germany
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Sondheim, Germany
- Average rainfall in September: 32mm
The wettest months (with the highest rainfall) are June and July (59mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Sondheim, Germany
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in September
Sondheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sondheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sondheim, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
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: 2h and 42min).
Average sunshine days in September
Sondheim, Germany
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is April (14.6 days).
The months with the least sunshine days are June and July (9 days).
Average UV index in September
Sondheim, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Sondheim, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Sondheim, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, October and December (7km).
