September in Sucre is the windiest month of the year. In September, the weather in Sucre is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Sucre has 14 sunny, 14 partly cloudy, and 2 rainy days in September. The rains are usually light. September as well as June, July, and August is considered the most comfortable time to visit Sucre.