September weather forecastBonndorf, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Bonndorf, Germany, with an average temperature ranging between max 17.6°C (63.7°F) and min 7.7°C (45.9°F).Temperature
Bonndorf's progression into September involves a gentle drop in the average high-temperature, from an agreeable 21.8°C (71.2°F) in August to a refreshing 17.6°C (63.7°F). Bonndorf witnesses a consistent average low-temperature of 7.7°C (45.9°F) throughout September.Humidity
In September, the average relative humidity in Bonndorf is 84%.Rainfall
The month with the least rainfall in Bonndorf is September, when the rain falls for 15.5 days and typically collects 51mm (2.01") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Bonndorf, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:45 and sunset at 20:07. On the last day of September, in Bonndorf, sunrise is at 07:25 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bonndorf, Germany
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 7.7°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-3.8°C).
Average pressure in September
Bonndorf, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Bonndorf, Germany
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in September
Bonndorf, Germany
- Average humidity in September: 84%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and July (80%).
Average rainfall in September
Bonndorf, Germany
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (109mm).
The driest month (with the least rainfall) is September (51mm).
Average rainfall days in September
Bonndorf, Germany
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Bonndorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (291mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bonndorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bonndorf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Bonndorf, Germany
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is May (7.2 days).
Average UV index in September
Bonndorf, 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 and November (UV index 1).
Average cloud cover in September
Bonndorf, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Bonndorf, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August and September (8km).
The months with the lowest visibility are January and February (6km).
