In September, the weather in Olenegorsk is typically cold. Average daily high temperature in September is about 10 degrees above zero. On average, Olenegorsk has 14 rainy, 8 partly cloudy, 6 cloudy, and 2 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 Olenegorsk.