Weather in Houston in September
Houston, United States averages a high of 31°C (87.8°F) and low of 22.3°C (72.1°F) in September, with 11 rain days and 10.1 hours of daily sunshine. Travel score: 81/100 (Excellent). The best time to visit Houston is October.
High
31°C88°F
Low
22°C72°F
🌧️
11
rain days
☀️
10.1
hrs/day sunshine
💧
74%
humidity
81— Excellent
September in Houston is hot and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Houston?
How much does it rain in Houston in September?
Houston receives an average of 130.3mm of rainfall across 11 rainy days in September. The annual total is 1313.9mm.
What should I pack for Houston in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°C
🧢
Sun hat or cap
Protection from intense sun
🧴
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