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Itaguaí Weather in September
September in Itaguaí averages 26°C (79°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 92 mm (3.6 in) on average. An umbrella is a good idea.
Rainfall in Itaguaí in September
Typically, about 11 days will experience rainfall, with an average of 92 mm (3.6 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Itaguaí in September
September tends to be one of the excellent months in Itaguaí, with 26°C (79°F) in the afternoon and 19°C (66°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Itaguaí in September
The area experiences a moderate amount of sunshine, with approximately 144 hours of sunlight expected. This means a decent mix of sun and overcast.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Itaguaí Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
26°C (79°F)
Chance of Rain
36%
Precipitation
92 mm (3.6 in)
Rainy days
11 days
Humidity
79% *
Sunshine
144 hours *
Percentage Sunshine
*
* Data from: Rio de Janeiro, Brazil (62 KM, 38 Miles).
Itaguaí Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Itaguaí - 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 Itaguaí in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Itaguaí in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Itaguaí 3-Day Forecast
More climate data for Itaguaí
Temperature Rainfall Sunshine Humidity
See the full Itaguaí climate overview or explore weather in Brazil.
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