In September, the weather in Orotukan is typically cold. Average daily high temperature in September is about 5 degrees above zero. On average, Orotukan has 14 rainy, 7 cloudy, 5 sunny, 2 snowy, and 2 partly cloudy days in September. The rains are usually moderate. September as well as January, February, March, and May is considered the most uncomfortable time to visit Orotukan.