Measurements:
°C
°F
CURRENT WEATHER
17:46
Itajai
62°F
SW 2 mph
Feels like: 62°F
Precip: 14%
World Resorts Brazil Itajai Weather

7 Day Weather Forecast

09.08
tue
DAY
74°F
SE 3 mph
precip
5%
NIGHT
58°F
NE 2 mph
precip
43%
09.09
wed
DAY
68°F
SE 1 mph
precip
23%
NIGHT
62°F
N 1 mph
precip
47%
09.10
thu
DAY
68°F
SE 2 mph
precip
84%
NIGHT
64°F
S 1 mph
precip
37%
09.11
fri
DAY
70°F
S 2 mph
precip
72%
NIGHT
66°F
E 2 mph
precip
42%
09.12
sat
DAY
76°F
N 2 mph
precip
11%
NIGHT
56°F
N 2 mph
precip
27%
09.13
sun
DAY
62°F
NW 4 mph
precip
18%
NIGHT
58°F
NW 2 mph
precip
79%
09.14
mon
DAY
62°F
SW 6 mph
precip
79%
NIGHT
60°F
NW 4 mph
precip
91%

Itajai Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Itajai was 19.0°F. The maximum and minimum values were 18.2°F and 20.0°F respectively.

Itajai on the Weather Map

Best Time to Visit Itajai
The most sunny months:
July 12 days
May 10 days
June 9 days
The most warm months:
February 84.6 °F
January 83.7 °F
March 83.2 °F
Warmest sea temperature:
February 84.0 °F
March 82.9 °F
January 82.7 °F
The most cold months:
July 67.8 °F
August 69.0 °F
June 69.2 °F
The most rainy months:
January 7 days
February 5 days
October 5 days
The most windy months:
November 6 mph
December 6 mph
October 6 mph
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