September in Naryan-Mar is the rainiest month of the year. In September, the weather in Naryan-Mar is typically cold. Average daily high temperature in September is about 8 degrees above zero. On average, Naryan-Mar has 19 rainy, 10 cloudy, and 1 sunny day in September. The rains are usually light. September as well as January, February, May, and June is considered the most uncomfortable time to visit Naryan-Mar.