In September, the weather in Kurunegala is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Kurunegala has 21 rainy, 6 cloudy, 2 sunny, and 1 partly cloudy day in September. The rains are usually heavy. September as well as April, May, June, and July is considered the most uncomfortable time to visit Kurunegala.