September in Bearskin Lake is the windiest month of the year. In September, the weather in Bearskin Lake is typically warm. Average daily high temperature in September is about 12 degrees above zero. On average, Bearskin Lake has 13 rainy, 7 cloudy, 6 sunny, and 4 partly cloudy days in September. The rains are usually moderate. September as well as January, February, October, and December is considered the most uncomfortable time to visit Bearskin Lake.