South America weather in September

Check the Weather in South America in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall. Select a region/destination from the list below.

Top South America destinations

More destinations

  • Book KLM flights to South America from £458 return
  • Fly to Brazil, Peru, Chile, Argentina & more
  • Depart from London Heathrow (LHR)

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