Weather in Viamão in September
Viamão, Brazil averages a high of 21°C (69.8°F) and low of 12.9°C (55.2°F) in September, with 11 rain days and 7.8 hours of daily sunshine. Travel score: 69.5/100 (Good). The best time to visit Viamão is November.
High
21°C70°F
Low
13°C55°F
🌧️
11
rain days
☀️
7.8
hrs/day sunshine
💧
81%
humidity
70— Good
September in Viamão is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Viamão?
How much does it rain in Viamão in September?
Viamão receives an average of 155.8mm of rainfall across 11 rainy days in September. The annual total is 1514.7mm.
What should I pack for Viamão 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+
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