Weather in Galveston in September
Galveston, United States averages a high of 29°C (84.2°F) and low of 24.9°C (76.8°F) in September, with 13 rain days and 10.3 hours of daily sunshine. Travel score: 78/100 (Good). The best time to visit Galveston is October.
High
29°C84°F
Low
25°C77°F
🌧️
13
rain days
☀️
10.3
hrs/day sunshine
💧
76%
humidity
78— Good
September in Galveston is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Galveston?
How much does it rain in Galveston in September?
Galveston receives an average of 134.5mm of rainfall across 13 rainy days in September. The annual total is 1256.2mm.
What should I pack for Galveston in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (13 days)
☔
Umbrella
Be prepared for occasional showers
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