September in Popigay is the rainiest and the snowiest month of the year. In September, the weather in Popigay is typically cold. Average daily high temperature in September is about 3 degrees above zero. On average, Popigay has 17 cloudy, 7 rainy, 3 snowy, and 3 sunny days in September. The rains are usually light. September as well as January, February, March, and April is considered the most uncomfortable time to visit Popigay.