Weather in Evanston in September
Evanston, United States averages a high of 22.6°C (72.7°F) and low of 16.3°C (61.3°F) in September, with 8 rain days and 10 hours of daily sunshine. Travel score: 83.6/100 (Excellent). The best time to visit Evanston is September.
High
23°C73°F
Low
16°C61°F
🌧️
8
rain days
☀️
10
hrs/day sunshine
💧
70%
humidity
84— Excellent
September in Evanston is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Evanston?
How much does it rain in Evanston in September?
Evanston receives an average of 73.5mm of rainfall across 8 rainy days in September. The annual total is 931.1mm.
What should I pack for Evanston 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