Weather in Bloomington in September
Bloomington, United States averages a high of 22.5°C (72.5°F) and low of 14°C (57.2°F) in September, with 9 rain days and 9.7 hours of daily sunshine. Travel score: 82.7/100 (Excellent). The best time to visit Bloomington is July.
High
23°C73°F
Low
14°C57°F
🌧️
9
rain days
☀️
9.7
hrs/day sunshine
💧
68%
humidity
83— Excellent
September in Bloomington is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Bloomington?
How much does it rain in Bloomington in September?
Bloomington receives an average of 75.3mm of rainfall across 9 rainy days in September. The annual total is 815.4mm.
What should I pack for Bloomington 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 (9 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