September in Kanash is the rainiest month of the year. In September, the weather in Kanash is typically warm. Average daily high temperature in September is about 12 degrees above zero. On average, Kanash has 20 rainy, 8 cloudy, and 2 sunny days in September. The rains are usually moderate. September as well as January, February, April, and October is considered the most uncomfortable time to visit Kanash.