World Resorts Brazil Itanhaem Weather

Itanhaem 14 Days Forecast

15.09
tue
Day
66°F
NE 4 mph
Precip.
21%
Night
64°F
SE 2 mph
Precip.
21%
16.09
wed
Day
68°F
NW 7 mph
Precip.
25%
Night
66°F
W 14 mph
Precip.
31%
17.09
thu
Day
66°F
W 15 mph
Precip.
31%
Night
66°F
W 12 mph
Precip.
36%
18.09
fri
Day
70°F
NW 7 mph
Precip.
23%
Night
66°F
SE 2 mph
Precip.
31%
19.09
sat
Day
68°F
W 4 mph
Precip.
77%
Night
68°F
SW 7 mph
Precip.
72%
20.09
sun
Day
70°F
SW 6 mph
Precip.
38%
Night
70°F
NW 1 mph
Precip.
50%
21.09
mon
Day
77°F
S 1 mph
Precip.
20%
Night
72°F
S 6 mph
Precip.
17%
22.09
tue
Day
73°F
N 9 mph
Precip.
13%
Night
70°F
E 3 mph
Precip.
39%
23.09
wed
Day
72°F
N 8 mph
Precip.
29%
Night
70°F
S 1 mph
Precip.
38%
24.09
thu
Day
72°F
N 8 mph
Precip.
14%
Night
70°F
SW 3 mph
Precip.
15%
25.09
fri
Day
73°F
NW 6 mph
Precip.
11%
Night
70°F
W 5 mph
Precip.
19%
26.09
sat
Day
73°F
NW 6 mph
Precip.
13%
Night
70°F
W 4 mph
Precip.
27%
27.09
sun
Day
73°F
N 6 mph
Precip.
21%
Night
70°F
SE 2 mph
Precip.
42%
28.09
mon
Day
73°F
NW 8 mph
Precip.
15%
Night
72°F
NE 11 mph
Precip.
90%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 71.1°F and 68.4°F.

Air temperature in Itanhaem, °F

Precipitation total in Itanhaem, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Itanhaem

Sunniest months:
July 17 days
May 15 days
August 15 days
Warmest months:
February 82.3 °F
January 81.5 °F
March 81.5 °F
Warmest sea temp:
February 81.8 °F
March 80.5 °F
January 80.4 °F
Coldest months:
July 72.3 °F
August 72.6 °F
June 73.3 °F
Rainiest months:
February 7 days
January 7 days
December 6 days
Windiest months:
October 6.0 mph
December 5.5 mph
September 5.5 mph

Itanhaem on a weather map

Itanhaem
+63°F
E 6 mph
Feels like: +63°F
Precip.: 29%
Places in Brazil:
Name
°F
+64°F
+77°F
+75°F
+73°F
+75°F
+54°F
+61°F
+64°F
+54°F
+79°F
+54°F
24 Hours Forecast
Itanhaem
Local time: 05:47
September 15, tuesday
0600
63°F
E
6 mph
0900
64°F
E
4 mph
1200
66°F
NE
4 mph
1500
66°F
NE
6 mph
1800
64°F
N
4 mph
2100
66°F
N
1 mph
September 16, wednesday
0000
64°F
SE
2 mph
0300
63°F
E
4 mph
Units of measurement: °C / °F