Weather in Arlington Heights in September
Arlington Heights, United States averages a high of 23.2°C (73.8°F) and low of 15.2°C (59.4°F) in September, with 8 rain days and 9.8 hours of daily sunshine. Travel score: 84.9/100 (Excellent). The best time to visit Arlington Heights is September.
High
23°C74°F
Low
15°C59°F
🌧️
8
rain days
☀️
9.8
hrs/day sunshine
💧
70%
humidity
85— Excellent
September in Arlington Heights is warm and mostly dry — excellent conditions for exploring.
What are the average temperatures in Arlington Heights?
How much does it rain in Arlington Heights in September?
Arlington Heights receives an average of 71.4mm of rainfall across 8 rainy days in September. The annual total is 919.7mm.
What should I pack for Arlington Heights in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°C
🧴
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