September in Bol'shaya Koklala is the rainiest month of the year. In September, the weather in Bol'shaya Koklala is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Bol'shaya Koklala has 19 rainy, 8 cloudy, and 3 sunny days in September. The rains are usually moderate. September as well as January, April, and October is considered the most uncomfortable time to visit Bol'shaya Koklala.