In November, the weather in Southend-on-Sea is typically warm. Average daily high temperature in November is about 10 degrees above zero. On average, Southend-on-Sea has 11 rainy, 9 partly cloudy, 5 sunny, and 5 cloudy days in November. The rains are usually moderate. November as well as January, February, March, and April is considered the most uncomfortable time to visit Southend-on-Sea.