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South America weather in September 2025
Check South America weather in September before you book your next holiday. Long-term weather averages give the best indication of the weather in September 2025 and include figures for temperature, sunshine and rainfall for South America.
Hottest places to go in South America in September
Below are average maximum temperatures at popular countries, regions and places in South America in September. Select a holiday destination to see more weather parameters.
- Machu Picchu
- Brazil
- Iguazu Falls
- Rio de Janeiro
- Galapagos Islands
- Ecuador
- Quito
- Argentina
- Buenos Aires
- Peru
- Colombia
- Chile
- Santiago
- Bolivia
South America regions
- Argentina
- Bolivia
- Brazil
- Chile
- Colombia
- Ecuador
- Falkland Islands
- French Guiana
- Guyana
- Paraguay
- Peru
- Suriname
- Uruguay
- Venezuela
Recommended for South America
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