Weather in Bellingham in September
Bellingham, United States averages a high of 19.2°C (66.6°F) and low of 11.8°C (53.2°F) in September, with 9 rain days and 10.1 hours of daily sunshine. Travel score: 75.5/100 (Good). The best time to visit Bellingham is July.
High
19°C67°F
Low
12°C53°F
🌧️
9
rain days
☀️
10.1
hrs/day sunshine
💧
81%
humidity
76— Good
September in Bellingham is mild and occasionally wet — good for most activities.
What are the average temperatures in Bellingham?
How much does it rain in Bellingham in September?
Bellingham receives an average of 81.2mm of rainfall across 9 rainy days in September. The annual total is 1471mm.
What should I pack for Bellingham in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
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