Weather in San Nicolás de los Arroyos in September
San Nicolás de los Arroyos, Argentina averages a high of 20.2°C (68.4°F) and low of 10.4°C (50.7°F) in September, with 6 rain days and 9.5 hours of daily sunshine. Travel score: 81.8/100 (Excellent). The best time to visit San Nicolás de los Arroyos is January.
High
20°C68°F
Low
10°C51°F
🌧️
6
rain days
☀️
9.5
hrs/day sunshine
💧
67%
humidity
82— Excellent
September in San Nicolás de los Arroyos is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in San Nicolás de los Arroyos?
How much does it rain in San Nicolás de los Arroyos in September?
San Nicolás de los Arroyos receives an average of 62.4mm of rainfall across 6 rainy days in September. The annual total is 985.9mm.
What should I pack for San Nicolás de los Arroyos in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Argentina 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