15.09
tue
tue
Day
63°F
NE 7 mph
Precip.
36%
36%
Night
59°F
SE 2 mph
Precip.
69%
69%
16.09
wed
wed
Day
64°F
N 4 mph
Precip.
29%
29%
Night
61°F
W 4 mph
Precip.
47%
47%
17.09
thu
thu
Day
63°F
SW 4 mph
Precip.
50%
50%
Night
63°F
SW 6 mph
Precip.
43%
43%
18.09
fri
fri
Day
72°F
N 2 mph
Precip.
21%
21%
Night
64°F
S 3 mph
Precip.
38%
38%
19.09
sat
sat
Day
66°F
SW 5 mph
Precip.
40%
40%
Night
66°F
SW 6 mph
Precip.
85%
85%
20.09
sun
sun
Day
68°F
SW 8 mph
Precip.
66%
66%
Night
68°F
S 3 mph
Precip.
31%
31%
21.09
mon
mon
Day
68°F
S 6 mph
Precip.
53%
53%
Night
68°F
S 6 mph
Precip.
29%
29%
22.09
tue
tue
Day
77°F
NE 5 mph
Precip.
5%
5%
Night
66°F
SW 3 mph
Precip.
32%
32%
23.09
wed
wed
Day
77°F
N 4 mph
Precip.
9%
9%
Night
66°F
SW 6 mph
Precip.
39%
39%
24.09
thu
thu
Day
73°F
NE 6 mph
Precip.
33%
33%
Night
66°F
SW 4 mph
Precip.
24%
24%
25.09
fri
fri
Day
77°F
N 4 mph
Precip.
14%
14%
Night
66°F
SW 5 mph
Precip.
22%
22%
26.09
sat
sat
Day
79°F
N 4 mph
Precip.
15%
15%
Night
68°F
SW 7 mph
Precip.
28%
28%
27.09
sun
sun
Day
81°F
N 4 mph
Precip.
6%
6%
Night
68°F
NE 6 mph
Precip.
50%
50%
28.09
mon
mon
Day
90°F
SW 2 mph
Precip.
2%
2%
Night
70°F
W 4 mph
Precip.
72%
72%
sea water
temperature
temperature
| Ilhabela |
monthly
weather
weather
| Ilhabela |
current
weather
weather
| Ilhabela |
7 days
forecast
forecast
| Ilhabela |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 71.1°F. The highest and lowest sea temperatures during the month were 72.0°F and 70.2°F.
Air temperature in Ilhabela, °F
Precipitation total in Ilhabela, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ilhabela
Ilhabela on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Ilhabela
Local time: 05:48
September 15, tuesday
0600
61°F
NE
6 mph
6 mph
0900
61°F
NE
6 mph
6 mph
1200
63°F
NE
7 mph
7 mph
1500
63°F
NE
6 mph
6 mph
1800
59°F
NE
3 mph
3 mph
2100
59°F
E
2 mph
2 mph
September 16, wednesday
0000
59°F
SE
2 mph
2 mph
0300
59°F
NE
2 mph
2 mph
