Weather in Tustin in September
Tustin, United States averages a high of 27.5°C (81.5°F) and low of 17.8°C (64°F) in September, with 1 rain days and 11.6 hours of daily sunshine. Travel score: 94.8/100 (Excellent). The best time to visit Tustin is August.
High
28°C82°F
Low
18°C64°F
🌧️
1
rain days
☀️
11.6
hrs/day sunshine
💧
73%
humidity
95— Excellent
September in Tustin is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Tustin?
How much does it rain in Tustin in September?
Tustin receives an average of 6.9mm of rainfall across 1 rainy days in September. The annual total is 328.8mm.
What should I pack for Tustin in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
12 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