Weather in Wyoming in September

Wyoming, United States averages a high of 22.7°C (72.9°F) and low of 13.8°C (56.8°F) in September, with 8 rain days and 9.8 hours of daily sunshine. Travel score: 82.7/100 (Excellent). The best time to visit Wyoming is August.

High
23°C73°F
Low
14°C57°F
🌧️
8
rain days
☀️
9.8
hrs/day sunshine
💧
72%
humidity
83Excellent

September in Wyoming is warm and occasionally wet — excellent conditions for exploring.

What are the average temperatures in Wyoming?

JanFebMarAprMayJunJulAugSep23°14°OctNovDec

How much does it rain in Wyoming in September?

Wyoming receives an average of 68.8mm of rainfall across 8 rainy days in September. The annual total is 934mm.

JanFebMarAprMayJunJulAugSep8dOctNovDec

What should I pack for Wyoming 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

🎉Visiting United States in September?

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Data based on 1994–2024 averages · Last updated: 2024-12-31