Weather in Port Saint Lucie in September
Port Saint Lucie, United States averages a high of 29.8°C (85.6°F) and low of 24.1°C (75.4°F) in September, with 20 rain days and 10.1 hours of daily sunshine. Travel score: 67.4/100 (Good). The best time to visit Port Saint Lucie is March.
High
30°C86°F
Low
24°C75°F
🌧️
20
rain days
☀️
10.1
hrs/day sunshine
💧
82%
humidity
67— Good
September in Port Saint Lucie is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Port Saint Lucie?
How much does it rain in Port Saint Lucie in September?
Port Saint Lucie receives an average of 163.5mm of rainfall across 20 rainy days in September. The annual total is 1034.7mm.
What should I pack for Port Saint Lucie in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31