September in Coronation is the sunniest month of the year. In September, the weather in Coronation is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Coronation has 15 sunny, 7 rainy, 5 partly cloudy, and 3 cloudy days in September. The rains are usually light. September as well as February is considered the most comfortable time to visit Coronation.