ClimateExplore the planning map
Climate · Cancún

Cancún in September

Hot and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Cancún is hot: highs near 88°F, lows near 79°F. Rain falls on about six days a week, and the days shorten by 26 minutes from the first week to the last.September in Cancún is hot: highs near 31°C, lows near 26°C. Rain falls on about six days a week, and the days shorten by 26 minutes from the first week to the last.

High
88°F31°Caverage
Low
79°F26°Caverage
Wet days
6a week · 80% of days
Daylight
12h 13mon average

Is September a good time to visit Cancún?

September sits outside Cancún's best months, which run from January to April. Expect hot days and rain on about six days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 88°F in September, against 81°F to 89°F through the year.Highs near 31°C in September, against 27°C to 32°C through the year.

Chance of a wet day

80% of days in September, against 22% to 80% through the year.

Cloud cover

70% cover in September, against 30% to 70% through the year.

Daylight

12h 13m in September, against 10h 52m to 13h 24m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August89°32°low 80°low 27°5 wet days a weekRain on about five days a week.
  2. September88°31°low 79°low 26°6 wet days a weekRain on about six days a week.
  3. October86°30°low 78°low 26°5 wet days a weekRain on about five days a week.

Where Cancún sits, in September

America/Cancun
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:34 AMsets 6:51 PM
Above the sea
0 mlow-lying
Latitude
21.2°Nnorthern hemisphere
Nearest of ours
Solidaridad61 km south-west

The land around Cancún, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Mexico in September

high · low · wet days
See September on the planning mapThe whole year in Cancún

Typical weather, averaged over 30 years (1995–2024), read 8 km north-west of Cancún. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.