September in Mekoryuk is the rainiest month of the year. In September, the weather in Mekoryuk is typically warm. Average daily high temperature in September is about 9 degrees above zero. On average, Mekoryuk has 19 rainy, 8 cloudy, 2 partly cloudy, and 1 sunny day in September. The rains are usually heavy. September as well as January, May, June, and July is considered the most uncomfortable time to visit Mekoryuk.