26.08
wed
wed
Day
88°F
W 7 mph
Precip.
4%
4%
Night
82°F
W 7 mph
Precip.
24%
24%
27.08
thu
thu
Day
86°F
W 9 mph
Precip.
4%
4%
Night
82°F
W 7 mph
Precip.
9%
9%
28.08
fri
fri
Day
86°F
W 9 mph
Precip.
5%
5%
Night
82°F
SW 7 mph
Precip.
7%
7%
29.08
sat
sat
Day
88°F
W 9 mph
Precip.
4%
4%
Night
84°F
W 8 mph
Precip.
9%
9%
30.08
sun
sun
Day
86°F
W 9 mph
Precip.
8%
8%
Night
84°F
W 9 mph
Precip.
12%
12%
31.08
mon
mon
Day
88°F
SW 6 mph
Precip.
22%
22%
Night
82°F
SW 8 mph
Precip.
10%
10%
01.09
tue
tue
Day
88°F
W 9 mph
Precip.
36%
36%
Night
84°F
W 9 mph
Precip.
10%
10%
02.09
wed
wed
Day
88°F
W 10 mph
Precip.
5%
5%
Night
82°F
W 6 mph
Precip.
12%
12%
03.09
thu
thu
Day
88°F
W 8 mph
Precip.
11%
11%
Night
82°F
W 9 mph
Precip.
15%
15%
04.09
fri
fri
Day
88°F
NW 12 mph
Precip.
14%
14%
Night
82°F
NW 11 mph
Precip.
20%
20%
05.09
sat
sat
Day
88°F
NW 12 mph
Precip.
8%
8%
Night
84°F
W 10 mph
Precip.
9%
9%
06.09
sun
sun
Day
86°F
W 9 mph
Precip.
6%
6%
Night
82°F
W 9 mph
Precip.
21%
21%
07.09
mon
mon
Day
88°F
W 9 mph
Precip.
8%
8%
Night
82°F
SW 9 mph
Precip.
20%
20%
08.09
tue
tue
Day
86°F
W 9 mph
Precip.
27%
27%
Night
84°F
NW 11 mph
Precip.
24%
24%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.1°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.4°F.
Air temperature in Cancun, °F
Precipitation total in Cancun, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cancun
Cancun on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Cancun
Local time: 13:44
August 26, wednesday
1500
88°F
NW
11 mph
11 mph
1800
86°F
W
9 mph
9 mph
2100
82°F
W
7 mph
7 mph
August 27, thursday
0000
82°F
W
7 mph
7 mph
0300
82°F
NW
6 mph
6 mph
0600
82°F
NW
4 mph
4 mph
0900
86°F
W
5 mph
5 mph
1200
86°F
W
9 mph
9 mph
