Mar del Plata weather in September 2025

Expect 61°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mar del Plata in September. Check more long-term weather averages for Mar del Plata in September before you book your next holiday to Argentina in 2025/2026.

  • 61°F maximum daytime temperature in September in Mar del Plata61
    61°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Mar del Plata7
    7 days with some rainfall
  • 41°F minimum night-time temperature in September in Mar del Plata41
    41°F min night temperature
  • 12 hours of daylight per day in September in Mar del Plata12
    12 hours of daylight per day
  • No heat & humidity in September in Mar del Plata0
    No heat & humidity
  • 2.3 inches monthly rainfall in September in Mar del Plata2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Mar del Plata5
    5 (Moderate) UV index
  • 50°F sea temperature in September in Mar del Plata50
    50°F sea temperature

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The September weather guide for Argentina (Mar del Plata) 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 Argentina

How warm is it in Mar del Plata in September?

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

How sunny is it in Mar del Plata in September?

There are normally 7 hours of bright sunshine each day in Mar del Plata in September - that's 56% of daylight hours.

How warm is the sea around Mar del Plata in September?

The average sea temperature around Mar del Plata in September is 50°F.

Does it rain in Mar del Plata in September?

There are usually 7 days with some rain in Mar del Plata in September and the average monthly rainfall is 2.3 inches.

Mar del Plata September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:11 18:29
Monday, 15th September 2025 06:50 18:41
Tuesday, 30th September 2025 06:27 18:54

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