September in Azua de Compostela is the rainiest and the cloudiest month of the year. In September, the weather in Azua de Compostela is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Azua de Compostela has 25 rainy, 3 sunny, and 2 partly cloudy 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 Azua de Compostela.