September in Oxford is the sunniest month of the year. In September, the weather in Oxford is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, Oxford has 15 sunny, 8 rainy, and 7 partly cloudy days in September. The rains are usually heavy. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Oxford.