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Rio de Janeiro — weather in September, water temperature

By months January February March April May June July August September October November December
26.9°C Daytime temperatures 20.8°C Night temperatures 17 Sunny days 11.7-12.3 Sun (hours) 5 Rainy days 78.2 mm Precipitation 22.1°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35.5°C — 14 September 2021.
The maximum night temperature 27°C — 2 September 2018.
The minimum daily temperature 17°C — 16 September 2022.
The minimum night temperature 15°C — 1 September 2022.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 25 °C — 15 September 2020. The coldest water 19.9 °C — 9 September 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 167.8 mm — November. Minimum precipitation 39.8 mm — July.
Wind speed, km / h
Maximum wind speed 12 km / h — October. Minimum wind speed 9.1 km / h — March.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.7 h. — January. The minimum number of hours of sunshine per day 6.9 h. — November.
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