Weather in Johnson City in September
Johnson City, United States averages a high of 25.4°C (77.7°F) and low of 15.3°C (59.5°F) in September, with 10 rain days and 9.9 hours of daily sunshine. Travel score: 83.2/100 (Excellent). The best time to visit Johnson City is September.
High
25°C78°F
Low
15°C60°F
🌧️
10
rain days
☀️
9.9
hrs/day sunshine
💧
74%
humidity
83— Excellent
September in Johnson City is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Johnson City?
How much does it rain in Johnson City in September?
Johnson City receives an average of 94.9mm of rainfall across 10 rainy days in September. The annual total is 1170.7mm.
What should I pack for Johnson City 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
Recommended
🧥
Light rain jacket
Some rainy days expected (10 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