Current Sea Water Temperature:
+87.0°F
| Maximum Sea Water Temperature in September: | 87.6°F |
| Minimum Sea Water Temperature in September: | 84.8°F |
| Average water temperature in September: | 86.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 08 | 87.0°F | September 03 | 86.8°F |
| September 07 | 86.8°F | September 02 | 87.0°F |
| September 06 | 86.6°F | September 01 | 86.8°F |
| September 05 | 86.4°F | August 31 | 87.2°F |
| September 04 | 87.0°F | August 30 | 86.4°F |
When is the Warmest Sea for Sao Luis?
According to our data for the last three years for Sao Luis the highest average sea water temperature was in May, June and July.
Average Water Temperature by Month, °F
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Sao Luis was 88.3°F. The maximum and minimum values were 87.6°F and 89.2°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Sao Luis was 88.7°F. The maximum and minimum values were 87.8°F and 89.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Sao Luis was 88.0°F. The maximum and minimum values were 87.0°F and 89.2°F respectively.
Brazil Resorts:
NAME
F°
| Angra dos Reis |  |
+66 |
| Balneario Camboriu |  |
+62 |
| Buzios |  |
+70 |
| Florianopolis | |
+64 |
| Fortaleza | |
+84 |
| Ilha de Itamaraca | |
+82 |
| Joao Pessoa |  |
+82 |
| Natal | |
+80 |
| Recife | |
+78 |
| Rio de Janeiro | |
+70 |
| Santos | |
+66 |
| Sao Jose de Ribamar | |
+84 |
| Sao Paulo | |
+56 |
| Sao Sebastiao | |
+62 |
| Xangri-la | |
+60 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sao Luis
Local time: 16:40
08 sep, tuesday
| 1800 |  |
84°F | SW 16 mph |
| 2100 |  |
84°F | SW 16 mph |
09 sep, wednesday
| 0000 | |
82°F | SW 16 mph |
| 0300 | |
82°F | W 16 mph |
| 0600 |  |
84°F | W 19 mph |
| 0900 |  |
86°F | W 17 mph |
| 1200 |  |
90°F | SW 20 mph |
| 1500 | |
86°F | SW 21 mph |