Average sea water temperature in September:
+82.6°F
| Minimum sea water temperature in September: | 83.8°F |
| Maximum sea water temperature in September: | 81.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.0°F. The highest and lowest sea temperatures during the month were 83.3°F and 82.4°F.
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| Sao Luis |
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Monthly sea water temperature in Sao Luis, °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 Sao Luis
Sao Luis on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Sao Luis
Local time: 13:12
September 15, tuesday
1500
82°F
SW
22 mph
22 mph
1800
81°F
SW
16 mph
16 mph
2100
81°F
SW
16 mph
16 mph
September 16, wednesday
0000
79°F
SW
16 mph
16 mph
0300
79°F
SW
16 mph
16 mph
0600
79°F
SW
18 mph
18 mph
0900
81°F
W
18 mph
18 mph
1200
84°F
SW
18 mph
18 mph
