September in Azua de Compostela is the rainiest month of the year. In September, the weather in Azua de Compostela is typically warm. Average daily high temperature in September is about 27 degrees above zero. On average, Azua de Compostela has 16 rainy, 7 sunny, 6 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as May, August, and October is considered the most uncomfortable time to visit Azua de Compostela.