Measurements:
°C
°F
CURRENT WEATHER
18:49
Itajai
68°F
W 2 mph
Feels like: 68°F
Precip: 78%
World Resorts Brazil Itajai Weather

7 Day Weather Forecast

09.28
mon
DAY
74°F
SE 2 mph
precip
74%
NIGHT
66°F
SE 2 mph
precip
43%
09.29
tue
DAY
72°F
SE 2 mph
precip
66%
NIGHT
70°F
E 2 mph
precip
43%
09.30
wed
DAY
72°F
E 1 mph
precip
47%
NIGHT
60°F
SW 2 mph
precip
50%
10.01
thu
DAY
60°F
SW 2 mph
precip
40%
NIGHT
58°F
N 1 mph
precip
39%
10.02
fri
DAY
66°F
W 4 mph
precip
27%
NIGHT
58°F
N 1 mph
precip
33%
10.03
sat
DAY
64°F
SW 1 mph
precip
47%
NIGHT
62°F
NE 2 mph
precip
44%
10.04
sun
DAY
78°F
SE 3 mph
precip
18%
NIGHT
68°F
NW 1 mph
precip
34%

Itajai Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Itajai was 19.1°F. The maximum and minimum values were 18.0°F and 20.2°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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