Weather in Decatur in September
Decatur, United States averages a high of 25.2°C (77.4°F) and low of 15.6°C (60.1°F) in September, with 7 rain days and 10.1 hours of daily sunshine. Travel score: 88.6/100 (Excellent). The best time to visit Decatur is September.
High
25°C77°F
Low
16°C60°F
🌧️
7
rain days
☀️
10.1
hrs/day sunshine
💧
67%
humidity
89— Excellent
September in Decatur is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Decatur?
How much does it rain in Decatur in September?
Decatur receives an average of 71.6mm of rainfall across 7 rainy days in September. The annual total is 994.7mm.
What should I pack for Decatur in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°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