01.09
tue
tue
Day
93°F
S 4 mph
Precip.
5%
5%
Night
75°F
SW 3 mph
Precip.
22%
22%
02.09
wed
wed
Day
93°F
S 6 mph
Precip.
3%
3%
Night
75°F
SW 6 mph
Precip.
9%
9%
03.09
thu
thu
Day
93°F
S 6 mph
Precip.
1%
1%
Night
75°F
SW 4 mph
Precip.
10%
10%
04.09
fri
fri
Day
95°F
SW 6 mph
Precip.
1%
1%
Night
77°F
SW 6 mph
Precip.
6%
6%
05.09
sat
sat
Day
93°F
S 6 mph
Precip.
1%
1%
Night
75°F
SW 6 mph
Precip.
9%
9%
06.09
sun
sun
Day
93°F
S 7 mph
Precip.
1%
1%
Night
75°F
SW 6 mph
Precip.
10%
10%
07.09
mon
mon
Day
93°F
S 9 mph
Precip.
1%
1%
Night
75°F
SW 5 mph
Precip.
10%
10%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.7°F.
Air temperature in Belem, °F
Precipitation total in Belem, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Belem
Belem on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Belem
Local time: 20:58
September 01, tuesday
2100
79°F
SW
7 mph
7 mph
September 02, wednesday
0000
75°F
SW
3 mph
3 mph
0300
73°F
W
3 mph
3 mph
0600
72°F
SW
4 mph
4 mph
0900
84°F
SW
7 mph
7 mph
1200
93°F
S
6 mph
6 mph
1500
88°F
S
10 mph
10 mph
1800
82°F
S
11 mph
11 mph
