The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Itajaí Weather in September
September in Itajaí brings pleasant temperatures, with highs of 22°C (72°F) and nights dropping to 16°C (61°F). Rainfall is on the higher side this month, averaging around 157 mm (6.2 in), so keep a rain jacket handy.
Rainfall in Itajaí in September
Past climate data indicates that roughly 19 days will see rain, totalling around 157 mm (6.2 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Itajaí in September
Temperatures in Itajaí in September top out at 22°C (72°F) and drop to 16°C (61°F) overnight. Conditions are often most pleasant around the middle of the day. Nights drop to around 16°C (61°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.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Itajaí Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
22°C (72°F)
Chance of Rain
63%
Precipitation
157 mm (6.2 in)
Rainy days
19 days
Itajaí Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Itajaí - 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 Itajaí in September
For Itajaí in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Itajaí in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Camping6/10
Itajaí 3-Day Forecast
More climate data for Itajaí
See the full Itajaí climate overview or explore weather in Brazil.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
The 5 most tranquil retreats in the Amazon Rainforest, Brazil
Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
Brazil in November: Where Is the Best Weather?
Discover where Brazil has the best weather in November, comparing Fortaleza, Salvador, Rio, São Paulo, Florianópolis, Brasília and Foz do Iguaçu.
An alternative way to discover Rio de Janeiro
Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.