In September, the weather in Belogorsk is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Belogorsk has 21 rainy, 6 sunny, 2 partly cloudy, and 1 cloudy day in September. The rains are usually moderate. September as well as January, February, April, and May is considered the most uncomfortable time to visit Belogorsk.