Antofagasta weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Antofagasta in September. Check more long-term weather averages for Antofagasta in September before you book your next holiday to Chile in 2025/2026.

  • 64°F maximum daytime temperature in September in Antofagasta64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 0 days with some rainfall in September in Antofagasta0
    0 days with some rainfall
  • 52°F minimum night-time temperature in September in Antofagasta52
    52°F min night temperature
  • 12 hours of daylight per day in September in Antofagasta12
    12 hours of daylight per day
  • No heat & humidity in September in Antofagasta0
    No heat & humidity
  • 0.1 inches monthly rainfall in September in Antofagasta0.1
    0.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Antofagasta9
    9 (Very High) UV index
  • 59°F sea temperature in September in Antofagasta59
    59°F sea temperature

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The September weather guide for Chile (Antofagasta) 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 hot is it in Antofagasta in September?

Daytime temperatures usually reach 64°F in Antofagasta in September, falling to 52°F at night.

How sunny is it in Antofagasta in September?

There are normally 8 hours of bright sunshine each day in Antofagasta in September - that's 65% of daylight hours.

How warm is the sea around Antofagasta in September?

The average sea temperature around Antofagasta in September is 59°F.

Does it ever rain in Antofagasta in September?

There are usually no days with some rain in Antofagasta in September and the average monthly rainfall is 0.1 inches.

Antofagasta September sunrise & sunset times

Browse the sunrise and sunset times for Antofagasta in September 2025. Select a month to view Antofagasta sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:52 18:31
Monday, 15th September 2025 06:38 18:36
Tuesday, 30th September 2025 06:23 18:41

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