Weather in Green Bay in September
The weather in Green Bay in September is variable, when the days are comfortable with over 23 degrees, while it might get colder when night falls with less than 9 degrees on average. Also, there are around 14 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
9° - 23°
Avg Rainy Days
14
Avg Dry Days
16
Avg Snow Days
0
Weather Facts - Green Bay in September
* The warmest temperature recorded in in September is 33°C
* The coldest temperature recorded in Green Bay in September is (-2°C)
* The average rainfall in Green Bay in September is 73 mm