Weather in Duluth in September
The weather in Duluth in September is variable, when the days are comfortable with over 20 degrees, while it might get colder when night falls with less than 8 degrees on average. Also, there are around 16 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
8° - 20°
Avg Rainy Days
16
Avg Dry Days
14
Avg Snow Days
0
Weather Facts - Duluth in September
* The warmest temperature recorded in in September is 31°C
* The coldest temperature recorded in Duluth in September is (-3°C)
* The average rainfall in Duluth in September is 104 mm