Weather in Jacareí in September
Jacareí, Brazil averages a high of 26°C (78.8°F) and low of 14.9°C (58.8°F) in September, with 9 rain days and 9.2 hours of daily sunshine. Travel score: 82.6/100 (Excellent). The best time to visit Jacareí is August.
High
26°C79°F
Low
15°C59°F
🌧️
9
rain days
☀️
9.2
hrs/day sunshine
💧
76%
humidity
83— Excellent
September in Jacareí is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Jacareí?
How much does it rain in Jacareí in September?
Jacareí receives an average of 67.4mm of rainfall across 9 rainy days in September. The annual total is 1238.9mm.
What should I pack for Jacareí in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°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