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BrazilThe weather in September in Itajaí
It's hot in September in Itajaí with an average temperature of 30°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 16°C and 20°C.
September is a good month to be in Itajaí for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Itajaí, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 40°C in 2023, Itajaí reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 24°C.
Rainfall amount
In September, there is an average of 47 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in September for Itajaí
Click on any day in September to get detailed info about the usual weather on that day in Itajaí. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Itajaí | New York | |
|---|---|---|
| Average temperature | 30°C | 27°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 47 mm | 57 mm |
| Rainy days | 9 days | 9 days |
Start of September
The month of September starts in Itajaí with hot temps, averaging around 29°C during the day and nights around 18°C.
Mid September
By mid-September, daytime temps rise to around 31°C, with nights around 18°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Itajaí is around 31°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Itajaí
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Itajaí for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in September in Itajaí, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Itajaí
Temperature in September in Itajaí over the years
Precipitation charts
These charts show the average amount of precipitation in September in Itajaí, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Itajaí
Total precipitation in September in Itajaí over the years
Daily UV index in September in Itajaí
This chart shows the average daily UV index in September in Itajaí, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Itajaí
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Average weather in Itajaí by month
Click on a month below to see detailed weather info for Itajaí. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.