Santiago weather in September 2026

Expect daytime maximum temperatures of 61°F in Santiago, Chile in September based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 61°F maximum daytime temperature in September in Santiago61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 4 days with some rainfall in September in Santiago4
    4 days with some rainfall
  • 41°F minimum night-time temperature in September in Santiago41
    41°F min night temperature
  • 12 hours of daylight per day in September in Santiago12
    12 hours of daylight per day
  • No heat & humidity in September in Santiago0
    No heat & humidity
  • 1.3 inches monthly rainfall in September in Santiago1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Santiago6
    6 (High) UV index

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The September weather guide for Chile (Santiago) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Chile

How warm is it in Santiago in September?

Daytime temperatures usually reach 61°F in Santiago in September, falling to 41°F at night.

How sunny is it in Santiago in September?

There are normally 6 hours of bright sunshine each day in Santiago in September - that's 49% of daylight hours.

Does it rain in Santiago in September?

There are usually 4 days with some rain in Santiago in September and the average monthly rainfall is 1.3 inches.

Santiago September sunrise & sunset times

Browse the sunrise and sunset times for Santiago in September 2026. Select a month to view Santiago sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 07:00 18:25
Tuesday, 15th September 2026 06:41 18:34
Wednesday, 30th September 2026 06:21 18:44

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