Weather in Jacksonville in September
Jacksonville, United States averages a high of 27.2°C (81°F) and low of 19.7°C (67.5°F) in September, with 12 rain days and 9.1 hours of daily sunshine. Travel score: 76.1/100 (Good). The best time to visit Jacksonville is May.
High
27°C81°F
Low
20°C67°F
🌧️
12
rain days
☀️
9.1
hrs/day sunshine
💧
81%
humidity
76— Good
September in Jacksonville is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Jacksonville?
How much does it rain in Jacksonville in September?
Jacksonville receives an average of 163.9mm of rainfall across 12 rainy days in September. The annual total is 1358.1mm.
What should I pack for Jacksonville in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31