Weather in Bonn: September
Average day temperature: | 68.2°F | |
Average night temperature: | 53.9°F | |
Number of sunny days: | 12 days | |
Day length: | 11.7 - 13.5 hours | |
Number of rainy days: | 3 days | |
Precipitation totals: | 1.6 in. | |
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14 days
forecast
forecast
Bonn |
weather in
October
October
Bonn |
Air temperature in September, °F
Show year:
2024
2023
2022
The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 42°F. Day and night temperature averages during September were 69.0°F and 55.7°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Bonn in September is 1.7 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 5.6 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.2.
Best time for vacation in Bonn
Bonn on a weather map
Places in Germany:
Name
°F
24 Hours Forecast
Bonn
Local time: 12:40
December 22, sunday
1500
41°F
E
14 mph
14 mph
1800
37°F
E
11 mph
11 mph
2100
37°F
E
11 mph
11 mph
December 23, monday
0000
37°F
NE
9 mph
9 mph
0300
37°F
E
12 mph
12 mph
0600
41°F
SE
17 mph
17 mph
0900
41°F
SE
17 mph
17 mph
1200
43°F
SE
17 mph
17 mph