In September, the weather in Bol'shaya Murta is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Bol'shaya Murta has 13 rainy, 9 cloudy, 5 sunny, and 3 partly cloudy days in September. The rains are usually light. September as well as January, February, April, and May is considered the most uncomfortable time to visit Bol'shaya Murta.