In September, the weather in Novyy Port is typically cold. Average daily high temperature in September is about 7 degrees above zero. On average, Novyy Port has 10 rainy, 9 cloudy, 8 partly cloudy, and 3 sunny days in September. The rains are usually moderate. September as well as January, February, March, and August is considered the most uncomfortable time to visit Novyy Port.