September in Kisangani is the cloudiest month of the year. In September, the weather in Kisangani is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Kisangani has 26 rainy, 2 cloudy, and 2 partly cloudy days in September. The rains are usually heavy. September as well as March, April, May, and June is considered the most uncomfortable time to visit Kisangani.