In September, the weather in Kandalaksha is typically warm. Average daily high temperature in September is about 10 degrees above zero. On average, Kandalaksha has 12 rainy, 9 partly cloudy, 6 cloudy, and 3 sunny 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 Kandalaksha.