Weather in Pasadena in September
Pasadena, United States averages a high of 30.7°C (87.3°F) and low of 22.4°C (72.3°F) in September, with 12 rain days and 10.1 hours of daily sunshine. Travel score: 80.4/100 (Excellent). The best time to visit Pasadena is October.
High
31°C87°F
Low
22°C72°F
🌧️
12
rain days
☀️
10.1
hrs/day sunshine
💧
76%
humidity
80— Excellent
September in Pasadena is hot and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Pasadena?
How much does it rain in Pasadena in September?
Pasadena receives an average of 134mm of rainfall across 12 rainy days in September. The annual total is 1328.5mm.
What should I pack for Pasadena 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