Weather in South San Francisco in October
South San Francisco, United States averages a high of 20.2°C (68.4°F) and low of 12.5°C (54.5°F) in October, with 3 rain days and 9.9 hours of daily sunshine. Travel score: 85.8/100 (Excellent). The best time to visit South San Francisco is September.
High
20°C68°F
Low
13°C55°F
🌧️
3
rain days
☀️
9.9
hrs/day sunshine
💧
76%
humidity
86— Excellent
October in South San Francisco is mild and dry — excellent conditions for exploring.
What are the average temperatures in South San Francisco?
How much does it rain in South San Francisco in October?
South San Francisco receives an average of 23.7mm of rainfall across 3 rainy days in October. The annual total is 491.2mm.
What should I pack for South San Francisco in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in October?
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