Valparaiso weather in September 2025

Expect 61°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Valparaiso in September. Check more long-term weather averages for Valparaiso in September before you book your next holiday to Chile in 2025/2026.

  • 61°F maximum daytime temperature in September in Valparaiso61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 3 days with some rainfall in September in Valparaiso3
    3 days with some rainfall
  • 46°F minimum night-time temperature in September in Valparaiso46
    46°F min night temperature
  • 12 hours of daylight per day in September in Valparaiso12
    12 hours of daylight per day
  • No heat & humidity in September in Valparaiso0
    No heat & humidity
  • 1.1 inches monthly rainfall in September in Valparaiso1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Valparaiso6
    6 (High) UV index
  • 55°F sea temperature in September in Valparaiso55
    55°F sea temperature

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The September weather guide for Chile (Valparaiso) 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 Valparaiso in September?

Daytime temperatures usually reach 61°F in Valparaiso in September, falling to 46°F at night.

How sunny is it in Valparaiso in September?

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

How warm is the sea around Valparaiso in September?

The average sea temperature around Valparaiso in September is 55°F.

Does it ever rain in Valparaiso in September?

There are usually 3 days with some rain in Valparaiso in September and the average monthly rainfall is 1.1 inches.

Valparaiso September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:04 18:30
Monday, 15th September 2025 06:45 18:39
Tuesday, 30th September 2025 06:25 18:49

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