Weather in Itajaí in September
Itajaí, Brazil averages a high of 21.3°C (70.3°F) and low of 16.2°C (61.2°F) in September, with 12 rain days and 7.3 hours of daily sunshine. Travel score: 69.9/100 (Good). The best time to visit Itajaí is April.
High
21°C70°F
Low
16°C61°F
🌧️
12
rain days
☀️
7.3
hrs/day sunshine
💧
84%
humidity
70— Good
September in Itajaí is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Itajaí?
How much does it rain in Itajaí in September?
Itajaí receives an average of 144.6mm of rainfall across 12 rainy days in September. The annual total is 1617.9mm.
What should I pack for Itajaí in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
7 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (12 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