Measurements:
°C
°F
CURRENT WEATHER
20:46
Itanhaem
72°F
W 9 mph
Feels like: 72°F
Precip: 44%
World Resorts Brazil Itanhaem Weather

7 Day Weather Forecast

09.28
mon
DAY
74°F
NW 9 mph
precip
14%
NIGHT
72°F
NW 8 mph
precip
53%
09.29
tue
DAY
78°F
NW 6 mph
precip
11%
NIGHT
72°F
E 6 mph
precip
42%
09.30
wed
DAY
76°F
NE 15 mph
precip
75%
NIGHT
72°F
NE 5 mph
precip
47%
10.01
thu
DAY
72°F
NE 8 mph
precip
36%
NIGHT
68°F
N 6 mph
precip
47%
10.02
fri
DAY
68°F
N 4 mph
precip
42%
NIGHT
68°F
W 14 mph
precip
78%
10.03
sat
DAY
70°F
SW 12 mph
precip
76%
NIGHT
70°F
SW 4 mph
precip
21%
10.04
sun
DAY
74°F
NW 9 mph
precip
10%
NIGHT
72°F
SE 6 mph
precip
30%

Itanhaem Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Itanhaem was 20.8°F. The maximum and minimum values were 19.8°F and 21.7°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
September 6 mph
December 5 mph
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