September in Bykovsky is the windiest month of the year. In September, the weather in Bykovsky is typically cold. Average daily high temperature in September is about 4 degrees above zero. On average, Bykovsky has 15 cloudy, 8 rainy, 3 snowy, 2 sunny, and 2 partly cloudy 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 Bykovsky.