September in Alkatvaam is the rainiest month of the year. In September, the weather in Alkatvaam is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Alkatvaam has 16 rainy, 6 cloudy, 4 sunny, and 4 partly cloudy 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 Alkatvaam.