Weather in Brazil in September 2018

  • 25°C maximum daytime temperature in September in Brazil (Rio de Janeiro)25
    25°C max day temperature
  • 5 hours of sunshine per day (40% of daylight hours) in September in Brazil5
    5 hours of sunshine per day
  • 11 days with some rainfall in September in Brazil (Rio de Janeiro)11
    11 days with some rainfall
  • 17°C minimum night-time temperature in September in Brazil (Rio de Janeiro)17
    17°C min night temperature
  • 12 hours of daylight per day in September in Brazil (Rio de Janeiro)12
    12 hours of daylight per day
  • Low heat & humidity in September in Brazil (Rio de Janeiro)L
    Low heat & humidity
  • 96 mm monthly rainfall in September in Brazil (Rio de Janeiro)96
    96 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Brazil (Rio de Janeiro)10
    10 (Very High) UV index
  • 21°C sea temperature in September in Brazil (Rio de Janeiro)21
    21°C sea temperature

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Expect 25°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Brazil in September. Check more long-term weather averages for Brazil in September before you book your next holiday to Brazil in 2018. The September weather averages shown above are for Rio de Janeiro.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Brazil weather in September

The average maximum daytime temperature in Brazil 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 Brazil in September is 21°C (70°F).

The weather in Brazil in September is represented by Rio de Janeiro.

Brazil sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Brazil in September 2018. Select a month to view Brazil sunrise & sunset times for the next twelve months. The Brazil sunrise & sunset times shown below are for Rio de Janeiro.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 06:03 17:43
Sunday, 2nd September 2018 06:02 17:43
Monday, 3rd September 2018 06:01 17:43
Tuesday, 4th September 2018 06:00 17:44
Wednesday, 5th September 2018 05:59 17:44
Thursday, 6th September 2018 05:59 17:44
Friday, 7th September 2018 05:58 17:45
Saturday, 8th September 2018 05:57 17:45
Sunday, 9th September 2018 05:56 17:45
Monday, 10th September 2018 05:55 17:45
Tuesday, 11th September 2018 05:54 17:46
Wednesday, 12th September 2018 05:53 17:46
Thursday, 13th September 2018 05:52 17:46
Friday, 14th September 2018 05:51 17:47
Saturday, 15th September 2018 05:50 17:47
Sunday, 16th September 2018 05:49 17:47
Monday, 17th September 2018 05:48 17:47
Tuesday, 18th September 2018 05:47 17:48
Wednesday, 19th September 2018 05:46 17:48
Thursday, 20th September 2018 05:45 17:48
Friday, 21st September 2018 05:44 17:49
Saturday, 22nd September 2018 05:43 17:49
Sunday, 23rd September 2018 05:42 17:49
Monday, 24th September 2018 05:40 17:50
Tuesday, 25th September 2018 05:39 17:50
Wednesday, 26th September 2018 05:38 17:50
Thursday, 27th September 2018 05:37 17:51
Friday, 28th September 2018 05:36 17:51
Saturday, 29th September 2018 05:35 17:51
Sunday, 30th September 2018 05:34 17:52
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