Average sea water temperature in September:
+82.6°F
| Minimum sea water temperature in September: | 84.0°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 82.9°F. The highest and lowest sea temperatures during the month were 84.0°F and 82.2°F.
sea water
temperature
temperature
| Sao Luis |
monthly
weather
weather
| Sao Luis |
current
weather
weather
| Sao Luis |
14 days
forecast
forecast
| Sao Luis |
Monthly sea water temperature in Sao Luis, °F
Which Brazil resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Macapa | 86.7°F | 85.5°F |
| Belem | 84.8°F | 84.3°F |
| Ananindeua | 84.6°F | 84.1°F |
| Sao Luis | 82.9°F | 82.5°F |
| Sao Jose de Ribamar | 82.8°F | 82.5°F |
| Ilha de Itamaraca | 81.8°F | 80.1°F |
| Jaboatao dos Guararapes | 81.6°F | 80.0°F |
| Paulista | 81.6°F | 80.0°F |
| Recife | 81.6°F | 79.9°F |
| Paracuru | 81.5°F | 80.6°F |
| Jericoacoara | 81.5°F | 80.7°F |
| Fortaleza | 81.5°F | 80.4°F |
| Olinda | 81.5°F | 80.0°F |
| Joao Pessoa | 81.5°F | 79.8°F |
| Natal | 81.4°F | 79.9°F |
| Maceio | 80.8°F | 79.7°F |
| Aracaju | 79.9°F | 79.0°F |
| Salvador | 79.9°F | 78.5°F |
| Lauro de Freitas | 79.4°F | 78.4°F |
| Ilheus | 79.2°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: 20:48
October 25, sunday
2100
81°F
SW
13 mph
13 mph
October 26, monday
0000
81°F
SW
12 mph
12 mph
0300
79°F
SW
12 mph
12 mph
0600
81°F
SW
12 mph
12 mph
0900
84°F
SW
14 mph
14 mph
1200
86°F
SW
13 mph
13 mph
1500
84°F
SW
14 mph
14 mph
1800
82°F
SW
12 mph
12 mph
