Weather in São Caetano do Sul in September
São Caetano do Sul, Brazil averages a high of 24.3°C (75.7°F) and low of 14.4°C (57.9°F) in September, with 9 rain days and 8.7 hours of daily sunshine. Travel score: 78.6/100 (Good). The best time to visit São Caetano do Sul is August.
High
24°C76°F
Low
14°C58°F
🌧️
9
rain days
☀️
8.7
hrs/day sunshine
💧
79%
humidity
79— Good
September in São Caetano do Sul is warm and occasionally wet — good for most activities.
What are the average temperatures in São Caetano do Sul?
How much does it rain in São Caetano do Sul in September?
São Caetano do Sul receives an average of 77.3mm of rainfall across 9 rainy days in September. The annual total is 1290.4mm.
What should I pack for São Caetano do Sul in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Brazil 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