Weather in West Haven in September
West Haven, United States averages a high of 22.9°C (73.2°F) and low of 16.1°C (61°F) in September, with 8 rain days and 9.3 hours of daily sunshine. Travel score: 82.7/100 (Excellent). The best time to visit West Haven is August.
High
23°C73°F
Low
16°C61°F
🌧️
8
rain days
☀️
9.3
hrs/day sunshine
💧
74%
humidity
83— Excellent
September in West Haven is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in West Haven?
How much does it rain in West Haven in September?
West Haven receives an average of 104.2mm of rainfall across 8 rainy days in September. The annual total is 1161mm.
What should I pack for West Haven in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 23°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