In September, the weather in Villa La Angostura is typically cold. Average daily high temperature in September is about 5 degrees above zero. On average, Villa La Angostura has 18 rainy, 6 sunny, 4 cloudy, and 2 partly cloudy days in September. The rains are usually heavy. September as well as April, May, June, and July is considered the most uncomfortable time to visit Villa La Angostura.