Sea Temperature in Jacksonville in September

© William Reyes

Complete information on the sea temperature range in the Atlantic Ocean in Jacksonville in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Jacksonville. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Jacksonville Climate and Swimming Opportunities in September

Jacksonville lies within the Florida in United States. The average daytime temperature in Jacksonville in September is 89°F (31°C), while the nighttime average is 72°F (22°C). There are typically 16 rainy days during the month, with a total precipitation of 6.9 inches (174 mm). The daylight duration in September in Jacksonville is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 10 mph (16 km/h), and the humidity level is around 79%.

The water temperature in Jacksonville in September ranges from 79°F to 84°F (26°C to 29°C). At the beginning of the month, the average temperature is around 84°F (29°C), shifting to 82°F (28°C) by mid-September and reaching 81°F (27°C) in the last ten days. Overall, the average sea temperature in Jacksonville for September is 82°F (28°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Frequently Asked Questions About Water Temperatures in September in Jacksonville