Weather in Buenos Aires in September
Buenos Aires, Argentina averages a high of 17.5°C (63.5°F) and low of 10.5°C (50.9°F) in September, with 7 rain days and 9.2 hours of daily sunshine. Travel score: 74.3/100 (Good). The best time to visit Buenos Aires is January.
High
18°C64°F
Low
11°C51°F
🌧️
7
rain days
☀️
9.2
hrs/day sunshine
💧
74%
humidity
74— Good
September in Buenos Aires is mild and mostly dry — good for most activities.
What are the average temperatures in Buenos Aires?
How much does it rain in Buenos Aires in September?
Buenos Aires receives an average of 74.2mm of rainfall across 7 rainy days in September. The annual total is 1010.9mm.
What should I pack for Buenos Aires in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Argentina in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31