In September, the weather in Kirkcaldy is typically warm. Average daily high temperature in September is about 14 degrees above zero. On average, Kirkcaldy has 17 rainy, 8 cloudy, 4 sunny, and 1 partly cloudy day in September. The rains are usually light. September as well as January, February, March, and April is considered the most uncomfortable time to visit Kirkcaldy.