In September, the weather in Chelyuskin is typically cold. Average daily high temperature in September is about 1 degree above zero. On average, Chelyuskin has 20 cloudy, 6 rainy, 3 snowy, and 1 sunny day in September. The rains are usually light. September as well as January, February, March, and April is considered the most uncomfortable time to visit Chelyuskin.