September in Playa Blanca is the warmest month of the year. In September, the weather in Playa Blanca is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, Playa Blanca has 28 sunny and 2 partly cloudy days in September. September as well as June, July, August, and October is considered the most comfortable time to visit Playa Blanca.