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Hourly Forecast
Daylight Hours
06:07
Sunrise
18:06
Sunset
Moon
Waxing Gibbous
12:36
Moonrise
02:10
Moonset
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View stargazing scoreWeather in Itajaí today, September 20, 2026
Itajaí may turn murky on September 20, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care.
The day peaks near 26°C and cools toward 19°C. Relative humidity sits between 79% and 94%, reaching its peak around 21:00. A lighter breeze peaks around 16:00 near 2.2 km/h.
Expect the wet theme to continue later, as rain odds reach 48% near 16:00. Cloud amounts hold near 45% around 16:00. Horizontal visibility sits around 9.1 km, briefly nearer 0.4 km. Expect sunrise at 06:07, sunset at 18:06, and 11 hours 59 minutes of sunlight today overall.
Taken together, murky spells in Itajaí on September 20, 2026 favour slower morning movement before any clearer air arrives.
Frequently asked questions about weather in Itajaí
How warm does it get in Itajaí?
The warmest month in Itajaí is February, with average high temperatures of 28°C. The average temperature during this period is around 24°C.
How cold does it get in Itajaí?
The coldest month in Itajaí is July, with average low temperatures of 13°C. The average temperature during this period is around 16°C.
What is the wettest time of year in Itajaí?
The wettest month in Itajaí is January, with an average of 224mm of precipitation.
What is the driest time of year in Itajaí?
The driest month in Itajaí is July, with an average of 66mm of precipitation.
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