Current sea water temperature:
+82.8°F
| Minimum sea water temperature in September: | 83.8°F |
| Maximum sea water temperature in September: | 81.3°F |
| Average sea water temperature in September: | 82.6°F |
| more information | |
14 days
forecast
forecast
| Sao Luis |
monthly
weather
weather
| Sao Luis |
Sea water temperature for the last 10 days:
| September 21 | 82.8°F | September 16 | 82.4°F |
| September 20 | 82.6°F | September 15 | 82.8°F |
| September 19 | 82.4°F | September 14 | 82.6°F |
| September 18 | 83.1°F | September 13 | 82.9°F |
| September 17 | 82.9°F | September 12 | 82.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Sao Luis?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sao Luis was noticed in May, June and July.
Monthly Sea Temperatures in Sao Luis, °F
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 84.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 84.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.2°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.3°F.
current
weather
weather
| Sao Luis |
weather in
September
September
| Sao Luis |
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: 20:32
September 21, monday
2100
81°F
SW
16 mph
16 mph
September 22, tuesday
0000
79°F
SW
17 mph
17 mph
0300
79°F
SW
15 mph
15 mph
0600
79°F
SW
15 mph
15 mph
0900
81°F
W
17 mph
17 mph
1200
84°F
SW
17 mph
17 mph
1500
82°F
SW
19 mph
19 mph
1800
81°F
SW
16 mph
16 mph
