Rio de Janeiro weather in September 2019

  • 25°C maximum daytime temperature in September in Rio de Janeiro25
    25°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Rio de Janeiro11
    11 days with some rainfall
  • 17°C minimum night-time temperature in September in Rio de Janeiro17
    17°C min night temperature
  • 12 hours of daylight per day in September in Rio de Janeiro12
    12 hours of daylight per day
  • Low heat & humidity in September in Rio de JaneiroL
    Low heat & humidity
  • 96 mm monthly rainfall in September in Rio de Janeiro96
    96 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Rio de Janeiro10
    10 (Very High) UV index
  • 21°C sea temperature in September in Rio de Janeiro21
    21°C sea temperature

Going to Rio de Janeiro? Find the best month to visit Rio de Janeiro based on the weather.

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Expect 25°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Rio de Janeiro in September. Check more long-term weather averages for Rio de Janeiro in September before you book your next holiday to Brazil in 2019/2020.

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More about Rio de Janeiro

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The September weather guide for Rio de Janeiro, Brazil 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)

Guide to Rio de Janeiro weather in September

The average maximum daytime temperature in Rio de Janeiro in September is a warm 25°C (77°F) with low heat & humidity. The average night-time temperature is usually a comfortable 17°C (63°F). There are usually 5 hours of bright sunshine each day, which represents 40% of the 12 hours of daylight.

Expect 96mm (3.8 inches) of rainfall across the whole of September with 11 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

The average sea temperature in and around Rio de Janeiro in September is 21°C (70°F).

Rio de Janeiro sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Rio de Janeiro in September 2019. Select a month to view Rio de Janeiro sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:03 17:43
Monday, 2nd September 2019 06:03 17:43
Tuesday, 3rd September 2019 06:02 17:43
Wednesday, 4th September 2019 06:01 17:44
Thursday, 5th September 2019 06:00 17:44
Friday, 6th September 2019 05:59 17:44
Saturday, 7th September 2019 05:58 17:44
Sunday, 8th September 2019 05:57 17:45
Monday, 9th September 2019 05:56 17:45
Tuesday, 10th September 2019 05:55 17:45
Wednesday, 11th September 2019 05:54 17:46
Thursday, 12th September 2019 05:53 17:46
Friday, 13th September 2019 05:52 17:46
Saturday, 14th September 2019 05:51 17:47
Sunday, 15th September 2019 05:50 17:47
Monday, 16th September 2019 05:49 17:47
Tuesday, 17th September 2019 05:48 17:47
Wednesday, 18th September 2019 05:47 17:48
Thursday, 19th September 2019 05:46 17:48
Friday, 20th September 2019 05:45 17:48
Saturday, 21st September 2019 05:44 17:49
Sunday, 22nd September 2019 05:43 17:49
Monday, 23rd September 2019 05:42 17:49
Tuesday, 24th September 2019 05:41 17:50
Wednesday, 25th September 2019 05:40 17:50
Thursday, 26th September 2019 05:39 17:50
Friday, 27th September 2019 05:38 17:50
Saturday, 28th September 2019 05:37 17:51
Sunday, 29th September 2019 05:36 17:51
Monday, 30th September 2019 05:35 17:51
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