Weather in State of Rio de Janeiro, Brazil in September

So you're interested in going to State of Rio de Janeiro, Brazil in September

September is a hot and dry time for sunbathing in State of Rio de Janeiro. September is a good month for swimming in State of Rio de Janeiro with warm sea temperatures. Consider visiting State of Rio de Janeiro in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in State of Rio de Janeiro in September

The average maximum temperature in State of Rio de Janeiro in September is 26°. The average maximum temperature is 26° in the previous month and 27° in the next month.

The average temperature in State of Rio de Janeiro in September is 23°. The average temperature ranges is 22° in the previous month and 24° in the next month.

The average minimum temperature in State of Rio de Janeiro in September is 20°. The minimum temperature is 19° in the previous month and 21° in the next month.

Sunshine in State of Rio de Janeiro in September

The average day light hours per day in State of Rio de Janeiro in September are 12 and there are 7.7 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in State of Rio de Janeiro in September is typically 10.7 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in State of Rio de Janeiro in September

The average sea water temperature in State of Rio de Janeiro in September is 21.3° which is comfortable for swimming though some may prefer warmer water.

Rainfall in State of Rio de Janeiro in September

The average total rainfall in State of Rio de Janeiro in September is 0.2cm and on average there are 8.1 rainy days in September making it a dry time to visit the beach.

Humidity in State of Rio de Janeiro in September

The maximum dew point (an indicator of humidity) in State of Rio de Janeiro in September is 19° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 19° in the previous month and 21° in the next month.

The average maximum relative humidity in State of Rio de Janeiro in September is typically 91.3%. The maximum relative humidity is 92% in the previous month and 91.9% in the next month.

The average relative humidity in State of Rio de Janeiro in September is typically 75%. The average relative humidity is 75.7% in the previous month and 77% in the next month.

Wind Speed in State of Rio de Janeiro in September

The average maximum wind speed in State of Rio de Janeiro in September is typically 25kmh. The average maximum wind speed is 23kmh in the previous month and 25kmh in the next month.

The average wind speed in State of Rio de Janeiro in September is typically 12kmh. The average wind speed is 11kmh in the previous month and 12kmh in the next month.

The average wind direction in State of Rio de Janeiro in September is from the South-Southeast.

Monthly Averages

Suggested Beaches in September

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