Weather in Baltimore in September
Baltimore, United States averages a high of 25.1°C (77.2°F) and low of 16.7°C (62.1°F) in September, with 9 rain days and 9.3 hours of daily sunshine. Travel score: 82.3/100 (Excellent). The best time to visit Baltimore is September.
High
25°C77°F
Low
17°C62°F
🌧️
9
rain days
☀️
9.3
hrs/day sunshine
💧
73%
humidity
82— Excellent
September in Baltimore is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Baltimore?
How much does it rain in Baltimore in September?
Baltimore receives an average of 121.3mm of rainfall across 9 rainy days in September. The annual total is 1220mm.
What should I pack for Baltimore 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
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