01.09
tue
tue
Day
84°F
W 16 mph
Precip.
15%
15%
Night
79°F
W 13 mph
Precip.
10%
10%
02.09
wed
wed
Day
82°F
W 15 mph
Precip.
11%
11%
Night
79°F
W 14 mph
Precip.
21%
21%
03.09
thu
thu
Day
81°F
W 14 mph
Precip.
16%
16%
Night
79°F
W 14 mph
Precip.
7%
7%
04.09
fri
fri
Day
84°F
W 13 mph
Precip.
7%
7%
Night
79°F
W 13 mph
Precip.
8%
8%
05.09
sat
sat
Day
82°F
W 13 mph
Precip.
11%
11%
Night
79°F
W 14 mph
Precip.
17%
17%
06.09
sun
sun
Day
84°F
W 13 mph
Precip.
3%
3%
Night
79°F
W 11 mph
Precip.
7%
7%
07.09
mon
mon
Day
82°F
W 13 mph
Precip.
5%
5%
Night
79°F
W 11 mph
Precip.
11%
11%
08.09
tue
tue
Day
82°F
W 16 mph
Precip.
14%
14%
Night
79°F
W 16 mph
Precip.
7%
7%
09.09
wed
wed
Day
82°F
W 17 mph
Precip.
3%
3%
Night
79°F
W 17 mph
Precip.
7%
7%
10.09
thu
thu
Day
82°F
W 19 mph
Precip.
4%
4%
Night
79°F
NW 17 mph
Precip.
18%
18%
11.09
fri
fri
Day
82°F
W 19 mph
Precip.
3%
3%
Night
77°F
NW 18 mph
Precip.
20%
20%
12.09
sat
sat
Day
82°F
W 19 mph
Precip.
3%
3%
Night
77°F
W 18 mph
Precip.
8%
8%
13.09
sun
sun
Day
82°F
W 19 mph
Precip.
15%
15%
Night
79°F
W 15 mph
Precip.
9%
9%
14.09
mon
mon
Day
82°F
W 17 mph
Precip.
13%
13%
Night
79°F
W 14 mph
Precip.
7%
7%
sea water
temperature
temperature
| Fortaleza |
monthly
weather
weather
| Fortaleza |
current
weather
weather
| Fortaleza |
7 days
forecast
forecast
| Fortaleza |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 81.0°F and 80.2°F.
Air temperature in Fortaleza, °F
Precipitation total in Fortaleza, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Fortaleza
Fortaleza on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Fortaleza
Local time: 19:59
September 01, tuesday
2100
79°F
W
12 mph
12 mph
September 02, wednesday
0000
79°F
W
13 mph
13 mph
0300
77°F
W
14 mph
14 mph
0600
77°F
NW
12 mph
12 mph
0900
81°F
NW
14 mph
14 mph
1200
82°F
W
15 mph
15 mph
1500
82°F
W
14 mph
14 mph
1800
79°F
W
12 mph
12 mph
