Measurements:
°C
°F
CURRENT WEATHER
16:04
Cozumel
92°F
NW 3 mph
Feels like: 98°F
Precip: 3%
World Resorts Mexico Cozumel Weather

7 Day Weather Forecast

09.19
sat
DAY
86°F
SW 2 mph
precip
67%
NIGHT
84°F
NW 7 mph
precip
47%
09.20
sun
DAY
90°F
N 4 mph
precip
24%
NIGHT
84°F
NW 9 mph
precip
44%
09.21
mon
DAY
88°F
NW 4 mph
precip
66%
NIGHT
84°F
NW 10 mph
precip
25%
09.22
tue
DAY
88°F
W 6 mph
precip
54%
NIGHT
84°F
W 6 mph
precip
26%
09.23
wed
DAY
86°F
W 6 mph
precip
68%
NIGHT
82°F
W 1 mph
precip
24%
09.24
thu
DAY
88°F
NW 6 mph
precip
27%
NIGHT
82°F
NW 15 mph
precip
86%
09.25
fri
DAY
86°F
NW 12 mph
precip
25%
NIGHT
84°F
W 7 mph
precip
13%

Cozumel Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cozumel was 30.1°F. The maximum and minimum values were 29.9°F and 30.4°F respectively.

Cozumel on the Weather Map

Best Time to Visit Cozumel
The most sunny months:
July 12 days
April 12 days
August 11 days
The most warm months:
August 91.7 °F
July 91.6 °F
September 91.1 °F
Warmest sea temperature:
September 89.2 °F
August 89.0 °F
October 88.8 °F
The most cold months:
January 82.3 °F
February 83.6 °F
December 84.4 °F
The most rainy months:
October 9 days
September 8 days
June 8 days
The most windy months:
March 10 mph
January 10 mph
June 10 mph
more details