September in Dudinka is the rainiest month of the year. In September, the weather in Dudinka is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Dudinka has 17 rainy, 9 cloudy, and 4 sunny days in September. The rains are usually light. September as well as January, February, March, and November is considered the most uncomfortable time to visit Dudinka.