September in Sheya is the rainiest month of the year. In September, the weather in Sheya is typically cold. Average daily high temperature in September is about 7 degrees above zero. On average, Sheya has 16 cloudy, 10 rainy, and 4 sunny days in September. The rains are usually light. September as well as January, February, March, and November is considered the most uncomfortable time to visit Sheya.