September in Puerto Escondido is the rainiest and the cloudiest month of the year. In September, the weather in Puerto Escondido is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Puerto Escondido has 19 rainy, 7 cloudy, 3 sunny, and 1 partly cloudy day in September. The rains are usually heavy. September as well as August is considered the most uncomfortable time to visit Puerto Escondido.