Weather in New Brunswick in September
New Brunswick, United States averages a high of 24.7°C (76.5°F) and low of 15.6°C (60.1°F) in September, with 8 rain days and 9 hours of daily sunshine. Travel score: 83.7/100 (Excellent). The best time to visit New Brunswick is August.
High
25°C76°F
Low
16°C60°F
🌧️
8
rain days
☀️
9
hrs/day sunshine
💧
72%
humidity
84— Excellent
September in New Brunswick is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in New Brunswick?
How much does it rain in New Brunswick in September?
New Brunswick receives an average of 105.2mm of rainfall across 8 rainy days in September. The annual total is 1142.4mm.
What should I pack for New Brunswick 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 (8 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