Weather in Plano in September
Plano, United States averages a high of 30.4°C (86.7°F) and low of 21.1°C (70°F) in September, with 6 rain days and 10.4 hours of daily sunshine. Travel score: 90.9/100 (Excellent). The best time to visit Plano is September.
High
30°C87°F
Low
21°C70°F
🌧️
6
rain days
☀️
10.4
hrs/day sunshine
💧
62%
humidity
91— Excellent
September in Plano is hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in Plano?
How much does it rain in Plano in September?
Plano receives an average of 76.5mm of rainfall across 6 rainy days in September. The annual total is 1074mm.
What should I pack for Plano in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 30°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