14-day forecast — Cancún
Updated every hour
Mon · Today · 14 Sep
Cloudy
30°
28°
0.1 mm
Tue · Tomorrow · 15 Sep
Showers
30°
27°
2.8 mm
Wednesday · 16 Sep
Sunny
30°
27°
3.3 mm
Thursday · 17 Sep
Showers
30°
27°
2.7 mm
Friday · 18 Sep
Showers
30°
27°
4.4 mm
Saturday · 19 Sep
Sunny
30°
27°
1.9 mm
Sunday · 20 Sep
Sunny
30°
28°
5%
Monday · 21 Sep
Sunny
30°
27°
17%
Tuesday · 22 Sep
Cloudy
30°
27°
17%
Wednesday · 23 Sep
Showers
30°
27°
3.5 mm
Thursday · 24 Sep
Showers
29°
27°
33.9 mm
Friday · 25 Sep
Showers
28°
25°
20.7 mm
Saturday · 26 Sep
Showers
28°
26°
6.2 mm
Sunday · 27 Sep
Showers
28°
26°
10.9 mm
About Cancún
Caribbean sand, Mayan ruins and cenotes — dry season December to April is prime time.
CountryMexico
RegionRiviera Maya
ContinentNorth America & Caribbean
Time zoneAmerica/Cancun (-05:00)
Latitude21.1619°
Longitude-86.8515°
Air qualityFair (EAQI 38)
Climate in Cancún in September
Averages over 8 years · best time to visitBest time to visit Cancún: January–December. With good weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | → 28°C | 28°C | ▼ 27°C |
| Highest temperature | → 31°C | 31°C | ▼ 30°C |
| Lowest temperature | ▼ 26°C | 25°C | ▼ 24°C |
| Sea temperature | ▲ 29,2°C | 29,4°C | ▼ 29,3°C |
| Rainfall | ▲ 118 mm | 166 mm | ▲ 175 mm |
| Days with rain | ▲ 20 d | 22 d | → 22 d |
| Humidity | ▲ 81% | 84% | ▼ 83% |
| Sunshine hours per day | ▼ 11,4 h | 10,6 h | ▼ 10,0 h |
| Cloud cover | ▲ 11% | 13% | ▲ 14% |
| UV index (midday) | ▼ 12 | 11 | ▼ 9 |
| Day length | 12:50 | 12:15 | 11:39 |
| Our rating | Good | Good | Good |
Temperature day by day in September mean + moving average
Rainfall day by day in September mm
UV index day by day in September midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
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Data source
Global weather models — international forecasts
The weather for Cancún is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.