September in San José del Cabo is the rainiest and the cloudiest month of the year. In September, the weather in San José del Cabo is typically hot. Average daily high temperature in September is about 30 degrees above zero. On average, San José del Cabo has 13 partly cloudy, 10 sunny, 5 rainy, and 2 cloudy days in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit San José del Cabo.