Colonia weather in September 2026

Expect daytime maximum temperatures of 64°F in Colonia, Uruguay in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 2.9 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Colonia64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Colonia8
    8 days with some rainfall
  • 50°F minimum night-time temperature in September in Colonia50
    50°F min night temperature
  • 12 hours of daylight per day in September in Colonia12
    12 hours of daylight per day
  • No heat & humidity in September in Colonia0
    No heat & humidity
  • 2.9 inches monthly rainfall in September in Colonia2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Colonia6
    6 (High) UV index
  • 59°F sea temperature in September in Colonia59
    59°F sea temperature

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The September weather guide for Uruguay (Colonia) 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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How hot is it in Colonia in September?

Daytime temperatures usually reach 64°F in Colonia in September, falling to 48°F at night.

How sunny is it in Colonia in September?

There are normally 7 hours of bright sunshine each day in Colonia in September - that's 55% of daylight hours.

How warm is the sea around Colonia in September?

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

Does it rain in Colonia in September?

There are usually 9 days with some rain in Colonia in September and the average monthly rainfall is 3.0 inches.

Colonia September sunrise & sunset times

Browse the sunrise and sunset times for Colonia in September 2026. Select a month to view Colonia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 07:10 18:33
Tuesday, 15th September 2026 06:51 18:43
Wednesday, 30th September 2026 06:29 18:54

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