Weather in Greeley in September
Greeley, United States averages a high of 26.4°C (79.5°F) and low of 11.3°C (52.3°F) in September, with 5 rain days and 10.9 hours of daily sunshine. Travel score: 92.3/100 (Excellent). The best time to visit Greeley is September.
High
26°C80°F
Low
11°C52°F
🌧️
5
rain days
☀️
10.9
hrs/day sunshine
💧
49%
humidity
92— Excellent
September in Greeley is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Greeley?
How much does it rain in Greeley in September?
Greeley receives an average of 27.2mm of rainfall across 5 rainy days in September. The annual total is 356.3mm.
What should I pack for Greeley in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 15°C from day to night
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