Weather in Rockford in September
Rockford, United States averages a high of 23.3°C (73.9°F) and low of 14°C (57.2°F) in September, with 8 rain days and 9.7 hours of daily sunshine. Travel score: 83.7/100 (Excellent). The best time to visit Rockford is July.
High
23°C74°F
Low
14°C57°F
🌧️
8
rain days
☀️
9.7
hrs/day sunshine
💧
70%
humidity
84— Excellent
September in Rockford is warm and mostly dry — excellent conditions for exploring.
What are the average temperatures in Rockford?
How much does it rain in Rockford in September?
Rockford receives an average of 74.9mm of rainfall across 8 rainy days in September. The annual total is 882.7mm.
What should I pack for Rockford 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