September in Nizhniy Tagil is the rainiest month of the year. In September, the weather in Nizhniy Tagil is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Nizhniy Tagil has 15 rainy, 13 cloudy, and 2 sunny days in September. The rains are usually light. September as well as January, February, April, and October is considered the most uncomfortable time to visit Nizhniy Tagil.