September weather forecastBönen, Germany
September
Weather in September
September, the first month of the autumn in Bönen, is still a refreshing month, with an average temperature ranging between max 18.8°C (65.8°F) and min 10.6°C (51.1°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.8°C (65.8°F). Bönen cools down to an average low-temperature of 10.6°C (51.1°F) throughout the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Bönen. Rain falls for 8.3 days and accumulates 9mm (0.35") of precipitation.Snowfall
In Bönen, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:42 and sunset at 20:15. On the last day of the month, sunrise is at 07:28 and sunset at 19:08 CEST.
Sunshine
In Bönen, Germany, the average sunshine in September is 8.4h.UV index
In Bönen, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. 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
Bönen, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Bönen, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Bönen, Germany
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).
Average humidity in September
Bönen, Germany
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Bönen, Germany
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (17mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Bönen, Germany
- Average rainfall days in September: 8.3 days
The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in September
Bönen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bönen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bönen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Bönen, Germany
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (18.7 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Bönen, Germany
- Average UV index in September: 4
The months with the highest UV index are 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
Bönen, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Bönen, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
