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September weather forecast in Rio de Janeiro

Average data for 10 years

  • 30 August, Sunday. morning, 26°; night, 17°; ; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 3.2 Meters per second, easterly; Daytime water temperature +23°

  • 31 August, Monday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +23°

  • 1 September, Tuesday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 76%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +22°

  • 2 September, Wednesday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 761 millimeters of mercury; Humidity 76%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +24°

  • 3 September, Thursday. morning, 28°; night, 18°; ; Feels like +23°; Pressure 760 millimeters of mercury; Humidity 74%; Wind speed 3.5 Meters per second, north-easterly; Daytime water temperature +23°

  • 4 September, Friday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 76%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +23°

  • 5 September, Saturday. morning, 26°; night, 17°; ; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 77%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +23°

  • 6 September, Sunday. morning, 25°; night, 18°; rain; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 79%; Wind speed 3.4 Meters per second, south-easterly; Daytime water temperature +23°

  • 7 September, Monday. morning, 26°; night, 18°; ; Feels like +22°; Pressure 762 millimeters of mercury; Humidity 78%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +24°

  • 8 September, Tuesday. morning, 28°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 76%; Wind speed 3.2 Meters per second, north-easterly; Daytime water temperature +24°

  • 9 September, Wednesday. morning, 29°; night, 18°; ; Feels like +24°; Pressure 760 millimeters of mercury; Humidity 74%; Wind speed 3.4 Meters per second, north-easterly; Daytime water temperature +23°

  • 10 September, Thursday. morning, 28°; night, 18°; ; Feels like +24°; Pressure 761 millimeters of mercury; Humidity 77%; Wind speed 3.5 Meters per second, easterly; Daytime water temperature +24°

  • 11 September, Friday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 78%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +24°

  • 12 September, Saturday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 75%; Wind speed 3 Meters per second, easterly; Daytime water temperature +24°

  • 13 September, Sunday. morning, 28°; night, 19°; ; Feels like +24°; Pressure 760 millimeters of mercury; Humidity 75%; Wind speed 3.4 Meters per second, north-easterly; Daytime water temperature +24°

  • 14 September, Monday. morning, 28°; night, 19°; rain; Feels like +24°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 3.5 Meters per second, easterly; Daytime water temperature +24°

  • 15 September, Tuesday. morning, 27°; night, 18°; ; Feels like +24°; Pressure 761 millimeters of mercury; Humidity 77%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +24°

  • 16 September, Wednesday. morning, 26°; night, 18°; rain; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 3.7 Meters per second, south-easterly; Daytime water temperature +24°

  • 17 September, Thursday. morning, 26°; night, 18°; rain; Feels like +22°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 3.2 Meters per second, south-easterly; Daytime water temperature +24°

  • 18 September, Friday. morning, 26°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 3.5 Meters per second, easterly; Daytime water temperature +25°

  • 19 September, Saturday. morning, 28°; night, 19°; ; Feels like +24°; Pressure 761 millimeters of mercury; Humidity 77%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +25°

  • 20 September, Sunday. morning, 28°; night, 19°; ; Feels like +24°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 3.2 Meters per second, easterly; Daytime water temperature +23°

  • 21 September, Monday. morning, 28°; night, 19°; rain; Feels like +24°; Pressure 759 millimeters of mercury; Humidity 78%; Wind speed 3.9 Meters per second, southerly; Daytime water temperature +24°

  • 22 September, Tuesday. morning, 26°; night, 18°; rain; Feels like +23°; Pressure 760 millimeters of mercury; Humidity 78%; Wind speed 3.7 Meters per second, southerly; Daytime water temperature +24°

  • 23 September, Wednesday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +23°

  • 24 September, Thursday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 760 millimeters of mercury; Humidity 76%; Wind speed 3.7 Meters per second, south-easterly; Daytime water temperature +23°

  • 25 September, Friday. morning, 25°; night, 18°; rain; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 3.5 Meters per second, southerly; Daytime water temperature +23°

  • 26 September, Saturday. morning, 25°; night, 18°; rain; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 79%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +23°

  • 27 September, Sunday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 77%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +23°

  • 28 September, Monday. morning, 26°; night, 18°; rain; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 78%; Wind speed 3.2 Meters per second, south-easterly; Daytime water temperature +23°

  • 29 September, Tuesday. morning, 26°; night, 19°; rain; Feels like +23°; Pressure 760 millimeters of mercury; Humidity 79%; Wind speed 3.5 Meters per second, south-easterly; Daytime water temperature +23°

  • 30 September, Wednesday. morning, 26°; night, 19°; rain; Feels like +23°; Pressure 761 millimeters of mercury; Humidity 81%; Wind speed 3.2 Meters per second, south-easterly; Daytime water temperature +24°

  • 1 October, Thursday. morning, 27°; night, 19°; ; Feels like +24°; Pressure 759 millimeters of mercury; Humidity 78%; Wind speed 3.4 Meters per second, easterly; Daytime water temperature +24°

  • 2 October, Friday. morning, 28°; night, 19°; rain; Feels like +25°; Pressure 759 millimeters of mercury; Humidity 78%; Wind speed 3.5 Meters per second, easterly; Daytime water temperature +23°

  • 3 October, Saturday. morning, 26°; night, 19°; rain; Feels like +24°; Pressure 759 millimeters of mercury; Humidity 79%; Wind speed 3.2 Meters per second, south-easterly; Daytime water temperature +23°

September in Rio de Janeiro is the windiest month of the year. In September, the weather in Rio de Janeiro is typically warm. The average daily high in September is 23 degrees above zero. On average, Rio de Janeiro has 12 sunny, 11 rainy, and 8 cloudy days in September.