Normal weather in Green Bay in September
The weather in Green Bay in September has an average temperature of around 31°C during the day. On average, September sees 116 mm of rain in Green Bay. The wind speed is 4 Beaufort and mainly comes from East.
After August, September in Green Bay starts with a temperature of 31°C and ends around October at 31°C.
September averages for Green Bay
 Average temperature | 31°C |
 Highest daytime temperature | 32°C |
| Lowest daytime temperature | 30°C |
 Total rainfall | 116 mm |
| Rainy days | 12 days |
Temperature per day in September in Green Bay
This graph shows the average daily maximum temperatures in September in Green Bay, indicated in degrees Celsius.
Precipitation per day in September in Green Bay
This graph shows the average daily precipitation in September in Green Bay, indicated in millimeters.
UV index per day in September in Green Bay
This graph shows the average daily UV index in September in Green Bay.
Yearly temperature in September in Green Bay
This graph shows the average yearly temperature in September in Green Bay, measured in degrees Celsius, over the past years.
Yearly total precipitation in September in Green Bay
This graph shows the average yearly precipitation in millimeters in September in Green Bay, over the past years.
Average daily weather in September
Click on a day to get more information about the average weather on that day.
Average weather in Green Bay per month
Click on a month below to see in detail how the weather typically is in Green Bay and what to expect. Based on the historical weather data of Green Bay, you can view the average temperature, precipitation, wind, and UV index for each day of the month.