September in Edinburg is the sunniest month of the year. In September, the weather in Edinburg is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Edinburg has 15 sunny, 9 partly cloudy, 5 rainy, and 1 cloudy day in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Edinburg.