Weather in Harrisburg in September
Harrisburg, United States averages a high of 24.6°C (76.3°F) and low of 15.4°C (59.7°F) in September, with 9 rain days and 9.1 hours of daily sunshine. Travel score: 83.5/100 (Excellent). The best time to visit Harrisburg is July.
High
25°C76°F
Low
15°C60°F
🌧️
9
rain days
☀️
9.1
hrs/day sunshine
💧
72%
humidity
84— Excellent
September in Harrisburg is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Harrisburg?
How much does it rain in Harrisburg in September?
Harrisburg receives an average of 107.1mm of rainfall across 9 rainy days in September. The annual total is 1040.1mm.
What should I pack for Harrisburg in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
9 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
🎉Visiting United States in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31