World Resorts Mexico Cancun Weather

Cancun 7 Days Forecast

14.09
mon
Day
86°F
W 9 mph
Precip.
11%
Night
82°F
SW 7 mph
Precip.
23%
15.09
tue
Day
86°F
SW 9 mph
Precip.
22%
Night
82°F
SW 9 mph
Precip.
34%
16.09
wed
Day
86°F
W 7 mph
Precip.
4%
Night
82°F
SW 9 mph
Precip.
12%
17.09
thu
Day
86°F
W 9 mph
Precip.
10%
Night
81°F
NW 8 mph
Precip.
10%
18.09
fri
Day
84°F
W 9 mph
Precip.
16%
Night
82°F
W 7 mph
Precip.
10%
19.09
sat
Day
86°F
SW 7 mph
Precip.
36%
Night
82°F
SW 11 mph
Precip.
5%
20.09
sun
Day
86°F
SW 9 mph
Precip.
4%
Night
82°F
SW 7 mph
Precip.
9%

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

Sunniest months:
July 15 days
April 15 days
May 13 days
Warmest months:
August 88.7 °F
July 88.6 °F
September 87.5 °F
Warmest sea temp:
August 85.1 °F
September 84.8 °F
July 84.4 °F
Coldest months:
January 78.9 °F
February 80.5 °F
December 81.0 °F
Rainiest months:
October 8 days
September 8 days
June 7 days
Windiest months:
March 11.6 mph
April 11.3 mph
May 10.7 mph

Cancun on a weather map

Cancun
+84°F
W 9 mph
Feels like: +93°F
Precip.: 12%
Places in Mexico:
Name
°F
24 Hours Forecast
Cancun
Local time: 09:40
September 14, monday
1200
86°F
W
9 mph
1500
86°F
W
10 mph
1800
84°F
SW
9 mph
2100
82°F
SW
8 mph
September 15, tuesday
0000
82°F
SW
7 mph
0300
81°F
SW
7 mph
0600
82°F
SW
8 mph
0900
84°F
SW
9 mph
Units of measurement: °C / °F