Weather in Fairfield in September
Fairfield, United States averages a high of 23.2°C (73.8°F) and low of 16.4°C (61.5°F) in September, with 8 rain days and 9.3 hours of daily sunshine. Travel score: 82.6/100 (Excellent). The best time to visit Fairfield is July.
High
23°C74°F
Low
16°C62°F
🌧️
8
rain days
☀️
9.3
hrs/day sunshine
💧
75%
humidity
83— Excellent
September in Fairfield is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Fairfield?
How much does it rain in Fairfield in September?
Fairfield receives an average of 105.3mm of rainfall across 8 rainy days in September. The annual total is 1202.7mm.
What should I pack for Fairfield 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
🎉Visiting United States in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31