Cancun in Fall
In fall (September, October and November), Cancun sees average daytime highs around 27°C and overnight lows near 26°C, with 442 mm of rain over about 51 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 29°C in early September to 26°C by late November. The sky is clear or mostly clear about 42% of the time across fall, and the air most often feels miserable.
Fall is Cancun's weakest season of the year to visit on our travel score. Cancun has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Cancun's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 442 mm
- 51 wet days
- Avg wind
- 21 km/h
- Travel score
- 5.4
- weakest season of the year
- Months
- Sep · Oct · Nov
Temperature in Cancun in Fall
Over the season highs ease from about 29°C in early September to 26°C by late November.
A typical fall day in Cancun reaches about 27°C and drops to 26°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Cancun
Once humidity and wind are folded in, fall brings about 38 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cancun weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 24° | 67 | 10.7 | 10.9 | 7.0 |
| Feb | 25° / 24° | 33 | 6.6 | 11.3 | 7.7 |
| Mar | 26° / 24° | 25 | 5 | 11.9 | 8.0 |
| Apr | 26° / 25° | 26 | 4.9 | 12.5 | 7.8 |
| May | 27° / 26° | 75 | 9.5 | 13 | 6.8 |
| Jun | 28° / 27° | 133 | 15.4 | 13.3 | 5.5 |
| Jul | 28° / 27° | 65 | 11.1 | 13.2 | 5.8 |
| Aug | 29° / 27° | 88 | 14.6 | 12.7 | 5.3 |
| Sep | 28° / 27° | 162 | 20.3 | 12.1 | 4.4 |
| Oct | 28° / 26° | 190 | 19.2 | 11.5 | 5.2 |
| Nov | 27° / 25° | 90 | 11.8 | 11 | 6.5 |
| Dec | 26° / 24° | 61 | 11.4 | 10.7 | 6.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 42% of the time across fall.
Chance of precipitation in Fall
Cancun gets around 442 mm of rain over 51 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 21 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².
Hazard calendar for Cancun
In fall, Cancun overlaps its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Cancun sits in the Atlantic hurricane belt; the season peaks August–October.
Cancun's rainy season runs June–June, when most of the year's rain falls.
Is fall a good time to visit Cancun?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Cancun for sightseeing.
What to pack for Cancun in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Cancun sees daytime highs around 27°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 51 days see rain.
Sea temperature near Cancun in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 km away) is warmest in September at about 29°C and coldest in February near 26°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Cancun in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cancun peaks around July 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 11 | 12 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Cancun in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Cancun is worst in June — around 25 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (November, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 7 | 8 | 12 | 15 | 25 | 22 | 18 | 12 | 9 | 6 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 7 | Good |
| Mar | 8 | Good |
| Apr | 12 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 22 | Moderate |
| Aug | 18 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Cancun?
Cancun sits at 21.2°N, 86.8°W, 11 m above sea level, in Mexico. The nearest listed city is Isla Mujeres, 14 km away.
Topography around Cancun
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cancun.
Within 3 km, the terrain around Cancun has only modest variations in elevation — a maximum elevation change of 16 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 31 m.
The land around Cancun is covered by artificial surfaces (87%) within 3 km, water (37%) and trees (32%) within 16 km, and water (53%) and trees (39%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cancun (21.1743°, -86.8466°, elevation 11 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.