In September, the weather in Genting Highlands is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Genting Highlands has 23 rainy, 3 cloudy, 3 partly cloudy, and 1 sunny day in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit Genting Highlands.