15.09
tue
tue
Day
81°F
SW 12 mph
Precip.
12%
12%
Night
72°F
SW 7 mph
Precip.
12%
12%
16.09
wed
wed
Day
79°F
SW 9 mph
Precip.
12%
12%
Night
77°F
W 9 mph
Precip.
22%
22%
17.09
thu
thu
Day
81°F
NW 10 mph
Precip.
12%
12%
Night
75°F
NW 11 mph
Precip.
22%
22%
18.09
fri
fri
Day
81°F
NW 12 mph
Precip.
13%
13%
Night
73°F
W 7 mph
Precip.
64%
64%
19.09
sat
sat
Day
79°F
W 11 mph
Precip.
34%
34%
Night
73°F
NW 4 mph
Precip.
24%
24%
20.09
sun
sun
Day
81°F
W 8 mph
Precip.
4%
4%
Night
73°F
W 6 mph
Precip.
21%
21%
21.09
mon
mon
Day
81°F
W 9 mph
Precip.
22%
22%
Night
73°F
SW 6 mph
Precip.
35%
35%
22.09
tue
tue
Day
81°F
SW 9 mph
Precip.
15%
15%
Night
73°F
SW 6 mph
Precip.
22%
22%
23.09
wed
wed
Day
81°F
SW 8 mph
Precip.
15%
15%
Night
73°F
SW 6 mph
Precip.
26%
26%
24.09
thu
thu
Day
82°F
SW 9 mph
Precip.
13%
13%
Night
73°F
SW 6 mph
Precip.
27%
27%
25.09
fri
fri
Day
82°F
SW 11 mph
Precip.
5%
5%
Night
75°F
S 6 mph
Precip.
33%
33%
26.09
sat
sat
Day
82°F
SW 12 mph
Precip.
10%
10%
Night
75°F
SW 7 mph
Precip.
37%
37%
27.09
sun
sun
Day
82°F
SW 11 mph
Precip.
13%
13%
Night
75°F
S 9 mph
Precip.
27%
27%
28.09
mon
mon
Day
84°F
SW 12 mph
Precip.
4%
4%
Night
77°F
SW 12 mph
Precip.
29%
29%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 79.0°F. The highest and lowest sea temperatures during the month were 79.7°F and 78.6°F.
Air temperature in Ilheus, °F
Precipitation total in Ilheus, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ilheus
Ilheus on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Ilheus
Local time: 06:01
September 15, tuesday
0900
81°F
SW
8 mph
8 mph
1200
81°F
SW
12 mph
12 mph
1500
81°F
SW
11 mph
11 mph
1800
75°F
SW
7 mph
7 mph
2100
73°F
SW
7 mph
7 mph
September 16, wednesday
0000
72°F
SW
7 mph
7 mph
0300
72°F
S
6 mph
6 mph
0600
70°F
S
6 mph
6 mph
