Average sea water temperature in September:
+74.0°F
| Minimum sea water temperature in September: | 78.6°F |
| Maximum sea water temperature in September: | 70.2°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.4°F. The highest and lowest sea temperatures during the month were 74.8°F and 72.5°F.
Monthly sea water temperature in Niteroi, °F
Which Brazil resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Macapa | 86.5°F | 85.5°F |
| Belem | 84.9°F | 84.3°F |
| Ananindeua | 84.5°F | 84.1°F |
| Sao Luis | 83.0°F | 82.5°F |
| Sao Jose de Ribamar | 82.8°F | 82.5°F |
| Jericoacoara | 81.7°F | 80.7°F |
| Ilha de Itamaraca | 81.7°F | 80.1°F |
| Fortaleza | 81.6°F | 80.4°F |
| Paracuru | 81.6°F | 80.6°F |
| Jaboatao dos Guararapes | 81.5°F | 80.0°F |
| Recife | 81.5°F | 79.9°F |
| Paulista | 81.4°F | 80.0°F |
| Natal | 81.4°F | 79.9°F |
| Olinda | 81.3°F | 80.0°F |
| Joao Pessoa | 81.2°F | 79.8°F |
| Maceio | 80.4°F | 79.7°F |
| Salvador | 79.8°F | 78.5°F |
| Aracaju | 79.7°F | 79.0°F |
| Lauro de Freitas | 79.3°F | 78.4°F |
| Ilheus | 79.0°F | 78.0°F |
Best time for vacation in Niteroi
Niteroi on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Niteroi
Local time: 05:48
September 15, tuesday
0600
66°F
N
2 mph
2 mph
0900
70°F
NE
6 mph
6 mph
1200
70°F
N
12 mph
12 mph
1500
68°F
NE
13 mph
13 mph
1800
68°F
NE
10 mph
10 mph
2100
68°F
E
6 mph
6 mph
September 16, wednesday
0000
66°F
E
7 mph
7 mph
0300
66°F
NE
11 mph
11 mph
