September weather forecast in May Pen

September in May Pen is the rainiest month of the year. In September, the weather in May Pen is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, May Pen has 23 rainy and 7 sunny days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit May Pen.