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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Jacksonville's climate page.

Jacksonville Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 30%  

Precipitation 104 mm (4.1 in)  

Rainy days 9 days  

Humidity 72% *  

Sunshine 248 hours *  

Percentage Sunshine 66% *  

* Data from: Springfield, the United States of America (50 KM, 31 Miles).

What to Wear in Jacksonville in September

Warm but pleasant conditions in Jacksonville in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Jacksonville in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Jacksonville's climate page.

More climate data for Jacksonville

Temperature Rainfall Sunshine Humidity

See the full Jacksonville climate overview or explore weather in the United States of America.