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Barra de São João Weather in September
Barra de São João in September sees high daytime temperatures of 27°C (81°F) and nighttime lows of 20°C (68°F). Rainfall is fairly high this month at around 75 mm (3 in), so pack a rain jacket to stay dry.
Rainfall in Barra de São João in September
Analyzing past climate data, one can expect approximately 12 days of rain, averaging 75 mm (3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Barra de São João in September
Barra de São João in September is worth a visit. The temperature is excellent, with 27°C (81°F) during the day and 20°C (68°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and September typically offer the best weather for Barra de São João.
Barra de São João Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Chance of Rain
40%
Precipitation
75 mm (3 in)
Rainy days
12 days
Humidity
81% *
* Data from: Cabo Frio, Brazil (33 KM, 20 Miles).
Barra de São João Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Barra de São João - and find the best time to visit.
Best Places in Brazil in September
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Barra de São João in September
Warm but pleasant conditions in Barra de São João in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Barra de São João in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Barra de São João 3-Day Forecast
More climate data for Barra de São João
See the full Barra de São João climate overview or explore weather in Brazil.
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