Weather in Lewiston in September

The weather in Lewiston in September is pleasant during the day and a little cold sometimes, especially at night. Temperatures range from 11 to 22 degrees and there are 12 days of rain on average. Please prepare accordingly with an umbrella and warm clothing.
Avg Temp
11° - 22°
Avg Rainy Days
12
Avg Dry Days
18
Avg Snow Days
0

Weather Facts - Lewiston in September

* The warmest temperature recorded in in September is 34°C
* The coldest temperature recorded in Lewiston in September is (-2°C)
* The average rainfall in Lewiston in September is 105 mm

Average Temperature in Lewiston