Puerto Montt weather in September 2025

Expect 11°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Puerto Montt in September. Check more long-term weather averages for Puerto Montt in September before you book your next holiday to Chile in 2025/2026.

  • 11°C maximum daytime temperature in September in Puerto Montt11
    11°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in September in Puerto Montt8
    8 days with some rainfall
  • 4°C minimum night-time temperature in September in Puerto Montt4
    4°C min night temperature
  • 12 hours of daylight per day in September in Puerto Montt12
    12 hours of daylight per day
  • No heat & humidity in September in Puerto Montt0
    No heat & humidity
  • 147 mm monthly rainfall in September in Puerto Montt147
    147 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Puerto Montt4
    4 (Moderate) UV index
  • 10°C sea temperature in September in Puerto Montt10
    10°C sea temperature

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The September weather guide for Chile (Puerto Montt) 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 / mm)  |  Imperial (°F / inches)

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More about Chile

How warm is it in Puerto Montt in September?

Daytime temperatures usually reach 11°C in Puerto Montt in September, falling to 4°C at night.

How sunny is it in Puerto Montt in September?

There are normally 6 hours of bright sunshine each day in Puerto Montt in September - that's 51% of daylight hours.

Is the sea cold around Puerto Montt in September?

The average sea temperature around Puerto Montt in September is 10°C.

Does it rain in Puerto Montt in September?

There are usually 8 days with some rain in Puerto Montt in September and the average monthly rainfall is 147mm.

Puerto Montt September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:16 18:28
Monday, 15th September 2025 06:53 18:42
Tuesday, 30th September 2025 06:27 18:57

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