September in Arkhangel'skoe is the rainiest month of the year. In September, the weather in Arkhangel'skoe is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, Arkhangel'skoe has 10 rainy, 9 cloudy, 6 sunny, and 5 partly cloudy days in September. The rains are usually moderate.