Weather in Itaboraí in September
Itaboraí, Brazil averages a high of 27°C (80.6°F) and low of 17.7°C (63.9°F) in September, with 10 rain days and 9.2 hours of daily sunshine. Travel score: 80.8/100 (Excellent). The best time to visit Itaboraí is August.
High
27°C81°F
Low
18°C64°F
🌧️
10
rain days
☀️
9.2
hrs/day sunshine
💧
77%
humidity
81— Excellent
September in Itaboraí is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Itaboraí?
How much does it rain in Itaboraí in September?
Itaboraí receives an average of 70.4mm of rainfall across 10 rainy days in September. The annual total is 1533.2mm.
What should I pack for Itaboraí in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (10 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