September in Novyy Port is the rainiest month of the year. In September, the weather in Novyy Port is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Novyy Port has 17 rainy, 12 cloudy, and 1 sunny day in September. The rains are usually light. September as well as January, February, March, and August is considered the most uncomfortable time to visit Novyy Port.