September in Jamburg is the rainiest month of the year. In September, the weather in Jamburg is typically cold. Average daily high temperature in September is about 6 degrees above zero. On average, Jamburg has 19 rainy, 9 cloudy, and 2 sunny days in September. The rains are usually moderate. September as well as January, February, March, and August is considered the most uncomfortable time to visit Jamburg.