September in Santa Cruz de Tenerife is the warmest month of the year. In September, the weather in Santa Cruz de Tenerife is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, Santa Cruz de Tenerife has 18 sunny, 7 partly cloudy, 4 rainy, and 1 cloudy day in September. The rains are usually light. September as well as August is considered the most comfortable time to visit Santa Cruz de Tenerife.