In September, the weather in Bolshoy kamen is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Bolshoy kamen has 17 sunny, 10 partly cloudy, and 3 rainy days in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Bolshoy kamen.