In September, the weather in Baykalovsk is typically cold. Average daily high temperature in September is about 5 degrees above zero. On average, Baykalovsk has 11 cloudy, 9 rainy, 6 partly cloudy, 3 sunny, and 1 snowy day in September. The rains are usually moderate. September as well as January, February, March, and April is considered the most uncomfortable time to visit Baykalovsk.