22.09
tue
tue
Day
84°F
W 3 mph
Precip.
59%
59%
Night
82°F
NW 9 mph
Precip.
9%
9%
23.09
wed
wed
Day
84°F
NW 7 mph
Precip.
56%
56%
Night
81°F
NW 6 mph
Precip.
10%
10%
24.09
thu
thu
Day
82°F
NW 4 mph
Precip.
55%
55%
Night
79°F
NW 7 mph
Precip.
70%
70%
25.09
fri
fri
Day
79°F
NW 14 mph
Precip.
76%
76%
Night
79°F
S 6 mph
Precip.
16%
16%
26.09
sat
sat
Day
79°F
N 9 mph
Precip.
62%
62%
Night
81°F
W 7 mph
Precip.
9%
9%
27.09
sun
sun
Day
82°F
NW 7 mph
Precip.
54%
54%
Night
81°F
NW 6 mph
Precip.
16%
16%
28.09
mon
mon
Day
84°F
NW 7 mph
Precip.
52%
52%
Night
82°F
W 9 mph
Precip.
24%
24%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.2°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.8°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.
Air temperature in Cozumel, °F
Precipitation total in Cozumel, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cozumel
Cozumel on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cozumel
Local time: 03:26
September 22, tuesday
0600
82°F
NW
6 mph
6 mph
0900
82°F
NW
5 mph
5 mph
1200
84°F
W
3 mph
3 mph
1500
86°F
NW
6 mph
6 mph
1800
84°F
W
9 mph
9 mph
2100
82°F
W
8 mph
8 mph
September 23, wednesday
0000
82°F
NW
9 mph
9 mph
0300
82°F
NW
8 mph
8 mph
