Current sea water temperature:
+86.5°F
| Minimum sea water temperature in September: | 87.3°F |
| Maximum sea water temperature in September: | 82.9°F |
| Average sea water temperature in September: | 85.3°F |
| more information | |
14 days
forecast
forecast
| Cozumel |
monthly
weather
weather
| Cozumel |
Sea water temperature for the last 10 days:
| September 14 | 86.5°F | September 9 | 86.4°F |
| September 13 | 86.7°F | September 8 | 86.2°F |
| September 12 | 86.5°F | September 7 | 86.0°F |
| September 11 | 86.5°F | September 6 | 86.2°F |
| September 10 | 86.4°F | September 5 | 86.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Cozumel?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cozumel was noticed in September, August and October.
Monthly Sea Temperatures in Cozumel, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.7°F.
current
weather
weather
| Cozumel |
weather in
September
September
| Cozumel |
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 10:08
September 14, monday
1200
84°F
W
11 mph
11 mph
1500
86°F
SW
14 mph
14 mph
1800
86°F
SW
12 mph
12 mph
2100
82°F
W
10 mph
10 mph
September 15, tuesday
0000
82°F
SW
9 mph
9 mph
0300
82°F
W
8 mph
8 mph
0600
82°F
W
7 mph
7 mph
0900
86°F
W
9 mph
9 mph
