September in Puerto de la Cruz is the warmest month of the year. In September, the weather in Puerto de la Cruz is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Puerto de la Cruz has 25 sunny, 4 partly cloudy, and 1 rainy day in September. The rains are usually light. September as well as July and August is considered the most comfortable time to visit Puerto de la Cruz.