Buzios weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Buzios in September based on long-term weather averages. There is usually 12 days with some rainfall and 56 mm of average monthly rainfall in September.

  • 25°C maximum daytime temperature in September in Buzios25
    25°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Buzios12
    12 days with some rainfall
  • 18°C minimum night-time temperature in September in Buzios18
    18°C min night temperature
  • 12 hours of daylight per day in September in Buzios12
    12 hours of daylight per day
  • Low heat & humidity in September in BuziosL
    Low heat & humidity
  • 56 mm monthly rainfall in September in Buzios56
    56 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Buzios9
    9 (Very High) UV index
  • 21°C sea temperature in September in Buzios21
    21°C sea temperature

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The September weather guide for Brazil (Buzios) 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 Brazil

How hot is it in Buzios in September?

Daytime temperatures usually reach 25°C in Buzios in September with low heat and humidity, falling to 18°C at night.

How sunny is it in Buzios in September?

There are normally 5 hours of bright sunshine each day in Buzios in September - that's 44% of daylight hours.

How warm is the sea around Buzios in September?

The average sea temperature around Buzios in September is 21°C.

Does it rain in Buzios in September?

There are usually 12 days with some rain in Buzios in September and the average monthly rainfall is 56mm.

Buzios September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:58 17:38
Monday, 15th September 2025 05:44 17:42
Tuesday, 30th September 2025 05:29 17:46

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