September in Syo-Yakha is the rainiest month of the year. In September, the weather in Syo-Yakha is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Syo-Yakha has 16 rainy, 13 cloudy, and 1 sunny day in September. The rains are usually moderate. September as well as January, February, March, and June is considered the most uncomfortable time to visit Syo-Yakha.