Weather in Redwood City in September
Redwood City, United States averages a high of 24.7°C (76.5°F) and low of 14.3°C (57.7°F) in September, with 1 rain days and 11.7 hours of daily sunshine. Travel score: 94.8/100 (Excellent). The best time to visit Redwood City is July.
High
25°C76°F
Low
14°C58°F
🌧️
1
rain days
☀️
11.7
hrs/day sunshine
💧
72%
humidity
95— Excellent
September in Redwood City is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Redwood City?
How much does it rain in Redwood City in September?
Redwood City receives an average of 2.7mm of rainfall across 1 rainy days in September. The annual total is 506.7mm.
What should I pack for Redwood City in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
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Light layers and t-shirts
Warm weather around 25°C
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Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉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