In September, the weather in Khanty-Mansiysk is typically warm. Average daily high temperature in September is about 10 degrees above zero. On average, Khanty-Mansiysk has 18 rainy, 11 cloudy, and 1 sunny day in September. The rains are usually moderate. September as well as January, February, April, and October is considered the most uncomfortable time to visit Khanty-Mansiysk.