Weather in Porto Alegre in September
Porto Alegre, Brazil averages a high of 21.8°C (71.2°F) and low of 13°C (55.4°F) in September, with 11 rain days and 7.7 hours of daily sunshine. Travel score: 70.6/100 (Good). The best time to visit Porto Alegre is November.
High
22°C71°F
Low
13°C55°F
🌧️
11
rain days
☀️
7.7
hrs/day sunshine
💧
80%
humidity
71— Good
September in Porto Alegre is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Porto Alegre?
How much does it rain in Porto Alegre in September?
Porto Alegre receives an average of 153.6mm of rainfall across 11 rainy days in September. The annual total is 1493.7mm.
What should I pack for Porto Alegre in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
8 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 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