September weather forecast in Sainte Agathe Des Monts

September in Sainte Agathe Des Monts is the sunniest month of the year. In September, the weather in Sainte Agathe Des Monts is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Sainte Agathe Des Monts has 15 sunny, 10 rainy, and 5 partly cloudy days in September. The rains are usually heavy.