In September, the weather in Bol'shaya Rudka is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Bol'shaya Rudka has 16 rainy, 10 cloudy, 3 sunny, and 1 partly cloudy day in September. The rains are usually moderate. September as well as January, April, October, and November is considered the most uncomfortable time to visit Bol'shaya Rudka.