Jacksonville Weather in September

With daytime temperatures of 27°C (81°F) and nighttime lows of 13°C (55°F), September in Jacksonville brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 104 mm (4.1 in) falls on average.

Rainfall in Jacksonville in September

Typically, you can expect about 9 days of rain this month, with 104 mm (4.1 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Jacksonville in September

Expect highs of 27°C (81°F) in Jacksonville in September, with nights dropping to around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Jacksonville in September

With approximately 248 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Jacksonville itself, October generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.