September in Arhangelsk is the rainiest month of the year. In September, the weather in Arhangelsk is typically warm. Average daily high temperature in September is about 11 degrees above zero. On average, Arhangelsk has 14 rainy, 8 partly cloudy, 4 sunny, and 4 cloudy days in September. The rains are usually moderate. September as well as January, February, April, and May is considered the most uncomfortable time to visit Arhangelsk.