Weather in Des Plaines in September
Des Plaines, United States averages a high of 23.4°C (74.1°F) and low of 15.1°C (59.2°F) in September, with 8 rain days and 9.8 hours of daily sunshine. Travel score: 84.7/100 (Excellent). The best time to visit Des Plaines is September.
High
23°C74°F
Low
15°C59°F
🌧️
8
rain days
☀️
9.8
hrs/day sunshine
💧
70%
humidity
85— Excellent
September in Des Plaines is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Des Plaines?
How much does it rain in Des Plaines in September?
Des Plaines receives an average of 72.8mm of rainfall across 8 rainy days in September. The annual total is 933.4mm.
What should I pack for Des Plaines 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
Recommended
🧥
Light rain jacket
Some rainy days expected (8 days)
☔
Umbrella
Be prepared for occasional showers
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