15.09
tue
tue
Day

70°F
SW 5 mph
Precip.
18%
18%
Night

57°F
N 2 mph
Precip.
34%
34%
16.09
wed
wed
Day

64°F
SW 4 mph
Precip.
13%
13%
Night

54°F
N 2 mph
Precip.
29%
29%
17.09
thu
thu
Day

66°F
W 4 mph
Precip.
17%
17%
Night

59°F
W 2 mph
Precip.
48%
48%
18.09
fri
fri
Day

63°F
W 4 mph
Precip.
57%
57%
Night

61°F
W 3 mph
Precip.
64%
64%
19.09
sat
sat
Day

64°F
SW 5 mph
Precip.
79%
79%
Night

64°F
SW 2 mph
Precip.
47%
47%
20.09
sun
sun
Day

72°F
S 2 mph
Precip.
29%
29%
Night

66°F
E 2 mph
Precip.
50%
50%
21.09
mon
mon
Day

84°F
SW 2 mph
Precip.
14%
14%
Night

66°F
E 1 mph
Precip.
44%
44%
22.09
tue
tue
Day

81°F
SW 5 mph
Precip.
14%
14%
Night

64°F
NW 1 mph
Precip.
35%
35%
23.09
wed
wed
Day

84°F
E 4 mph
Precip.
12%
12%
Night

64°F
E 2 mph
Precip.
43%
43%
24.09
thu
thu
Day

70°F
SE 1 mph
Precip.
39%
39%
Night

66°F
W 1 mph
Precip.
43%
43%
25.09
fri
fri
Day

86°F
SE 5 mph
Precip.
13%
13%
Night

72°F
NE 2 mph
Precip.
28%
28%
26.09
sat
sat
Day

90°F
S 4 mph
Precip.
12%
12%
Night

73°F
NW 2 mph
Precip.
31%
31%
27.09
sun
sun
Day

68°F
N 3 mph
Precip.
77%
77%
Night

59°F
NW 4 mph
Precip.
34%
34%
28.09
mon
mon
Day

64°F
W 3 mph
Precip.
45%
45%
Night

61°F
NW 4 mph
Precip.
68%
68%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 66.4°F. The highest and lowest sea temperatures during the month were 68.0°F and 64.9°F.
Air temperature in Itapema, °F
Precipitation total in Itapema, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Itapema
Itapema on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Itapema
Local time: 12:42
September 15, tuesday
1500

66°F
W
6 mph
6 mph
1800

61°F
NW
2 mph
2 mph
2100

59°F
NW
2 mph
2 mph
September 16, wednesday
0000

57°F
N
2 mph
2 mph
0300

55°F
NW
1 mph
1 mph
0600

54°F
N
1 mph
1 mph
0900

61°F
SW
1 mph
1 mph
1200

64°F
SW
4 mph
4 mph




























