September in Nelkan is the rainiest month of the year. In September, the weather in Nelkan is typically cold. Average daily high temperature in September is about 9 degrees above zero. On average, Nelkan has 14 rainy, 10 cloudy, 4 sunny, and 2 partly cloudy days in September. The rains are usually moderate. September as well as January, February, March, and November is considered the most uncomfortable time to visit Nelkan.