Jacksonville Weather in September

Thinking of visiting Jacksonville in September? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 17°C (63°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Jacksonville in September

Records from the past 30 years suggest around 8 days of rain, with 97 mm (3.8 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Jacksonville in September

In September, expect high temperatures in Jacksonville, with highs of 30°C (86°F) and lows of 17°C (63°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Jacksonville in September

There are approximately 271 hours of sunshine this month, resulting in mostly clear days.

If you prefer dry days with pleasant temperatures, April, May and October typically offer 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.