September in Kirovsk is the windiest month of the year. In September, the weather in Kirovsk is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Kirovsk has 14 rainy, 7 cloudy, 7 partly cloudy, and 2 sunny days in September. The rains are usually moderate. September as well as January, February, May, and June is considered the most uncomfortable time to visit Kirovsk.