In September, the weather in Yuzhnaya Tunguska is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Yuzhnaya Tunguska has 14 rainy, 7 cloudy, 6 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 Yuzhnaya Tunguska.