September in Santa Elena is the cloudiest month of the year. In September, the weather in Santa Elena is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Santa Elena has 15 cloudy, 8 partly cloudy, 6 rainy, and 1 sunny day in September. The rains are usually light. September as well as July, August, October, and November is considered the most comfortable time to visit Santa Elena.