Weather in Grand Forks in September
The weather in Grand Forks 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 13 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
9° - 23°
Avg Rainy Days
13
Avg Dry Days
17
Avg Snow Days
0
Weather Facts - Grand Forks in September
* The warmest temperature recorded in in September is 36°C
* The coldest temperature recorded in Grand Forks in September is (-6°C)
* The average rainfall in Grand Forks in September is 66 mm