La Serena weather in September 2025

Expect 61°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in La Serena in September. Check more long-term weather averages for La Serena in September before you book your next holiday to Chile in 2025/2026.

  • 61°F maximum daytime temperature in September in La Serena61
    61°F max day temperature
  • 8 hours of sunshine per day
  • 1 day with some rainfall in September in La Serena1
    1 day with some rainfall
  • 48°F minimum night-time temperature in September in La Serena48
    48°F min night temperature
  • 12 hours of daylight per day in September in La Serena12
    12 hours of daylight per day
  • No heat & humidity in September in La Serena0
    No heat & humidity
  • 0.2 inches monthly rainfall in September in La Serena0.2
    0.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in La Serena7
    7 (High) UV index
  • 55°F sea temperature in September in La Serena55
    55°F sea temperature

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The September weather guide for Chile (La Serena) 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 La Serena in September?

Daytime temperatures usually reach 61°F in La Serena in September, falling to 48°F at night.

How sunny is it in La Serena in September?

There are normally 8 hours of bright sunshine each day in La Serena in September - that's 63% of daylight hours.

How warm is the sea around La Serena in September?

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

Does it ever rain in La Serena in September?

There is usually 1 day with some rain in La Serena in September and the average monthly rainfall is 0.2 inches.

La Serena September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:00 18:30
Monday, 15th September 2025 06:43 18:38
Tuesday, 30th September 2025 06:24 18:46

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