1
Lima
Peru · 19°C · 0.2 rain days
10.0 · Excellent
2
Santiago
Chile · 19°C · 6.3 rain days
10.0 · Excellent
3
Buenos Aires
Argentina · 18°C · 5.5 rain days
10.0 · Excellent
4
São Paulo
Brazil · 27°C · 7 rain days
9.8 · Excellent
5
Rio de Janeiro
Brazil · 26°C · 9.2 rain days
9.4 · Excellent
6
Bogotá
Colombia · 19°C · 10.2 rain days
9.3 · Excellent
September by travel style
Warm & sunny
Daytime highs of 25°C+ with strong overall scores.
Driest picks
High-scoring destinations with the fewest rainy days.
Mild city breaks
Comfortable 10–19°C sightseeing weather.
Frequently asked questions
Where should I go in South America in September?
Top-scoring destinations in South America for September include Lima (10.0/10), Santiago (10.0/10), Buenos Aires (10.0/10), São Paulo (9.8/10), Rio de Janeiro (9.4/10) — ranked by temperature, rainfall and sunshine from six years of climate data.
Where is hot in South America in September?
Warm destinations with great overall conditions in September include São Paulo (avg high 27°C), Rio de Janeiro (avg high 26°C).
Where should you go next month?
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