Measurements:
°C
°F
CURRENT WEATHER
17:53
Itanhaem
66°F
W 3 mph
Feels like: 66°F
Precip: 27%
World Resorts Brazil Itanhaem Weather

7 Day Weather Forecast

09.08
tue
DAY
66°F
NE 7 mph
precip
31%
NIGHT
66°F
S 2 mph
precip
28%
09.09
wed
DAY
66°F
W 2 mph
precip
84%
NIGHT
72°F
W 4 mph
precip
38%
09.10
thu
DAY
74°F
W 1 mph
precip
74%
NIGHT
72°F
SW 7 mph
precip
38%
09.11
fri
DAY
76°F
NW 5 mph
precip
28%
NIGHT
78°F
E 6 mph
precip
27%
09.12
sat
DAY
74°F
NE 19 mph
precip
23%
NIGHT
66°F
NW 8 mph
precip
46%
09.13
sun
DAY
66°F
NW 16 mph
precip
75%
NIGHT
64°F
NW 23 mph
precip
76%
09.14
mon
DAY
68°F
W 30 mph
precip
43%
NIGHT
68°F
S 5 mph
precip
72%

Itanhaem Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Itanhaem was 20.7°F. The maximum and minimum values were 19.6°F and 22.0°F respectively.

Itanhaem on the Weather Map

Best Time to Visit Itanhaem
The most sunny months:
July 17 days
May 15 days
August 15 days
The most warm months:
February 85.8 °F
January 85.0 °F
March 85.0 °F
Warmest sea temperature:
February 85.3 °F
March 83.9 °F
January 83.7 °F
The most cold months:
July 74.8 °F
August 75.1 °F
June 75.9 °F
The most rainy months:
February 7 days
January 7 days
December 6 days
The most windy months:
October 6 mph
December 5 mph
September 5 mph
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