September in Varadero is the rainiest month of the year. In September, the weather in Varadero is typically hot. Average daily high temperature in September is about 30 degrees above zero. On average, Varadero has 16 rainy, 9 sunny, 4 partly cloudy, and 1 cloudy day in September. The rains are usually heavy. September as well as August and October is considered the most uncomfortable time to visit Varadero.