Chile weather in September 2026

Expect daytime maximum temperatures of 16°C in Chile in September based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 16°C maximum daytime temperature in September in Chile (Santiago)16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 4 days with some rainfall in September in Chile (Santiago)4
    4 days with some rainfall
  • 5°C minimum night-time temperature in September in Chile (Santiago)5
    5°C min night temperature
  • 12 hours of daylight per day in September in Chile (Santiago)12
    12 hours of daylight per day
  • No heat & humidity in September in Chile (Santiago)0
    No heat & humidity
  • 32 mm monthly rainfall in September in Chile (Santiago)32
    32 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Chile (Santiago)6
    6 (High) UV index

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