In September, the weather in Noviy Urengoy is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Noviy Urengoy has 18 rainy, 10 cloudy, and 2 sunny days in September. The rains are usually moderate. September as well as January, February, March, and May is considered the most uncomfortable time to visit Noviy Urengoy.