Mexico
Cancún in September
🌧️ Rainy seasonHot, humid and very wet. Watch for tropical cyclone risk.
🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics
Why September scores 7.3What goes into the score
How it works- Weather comfort5.8
- ✓Hot (33°C highs / 24°C lows)
- !Very humid/sticky (dew point 25°C)
- !Wet: ~223 mm rain, ~6 heavy-rain days
- Air quality9.8
- ✓Good (within WHO guideline) (PM2.5 ~6 µg/m³)
- Seasonal hazards8.5
- !Tropical cyclone: Peak of the Atlantic/Caribbean hurricane season
- Safety baseline7.0
- ·Increased caution
| Sep | Feb | |
|---|---|---|
| Score | 7.3 Good | 9.0 Excellent |
| Season | 🌧️ Rainy season | ☀️ Dry season |
| High / low | 33° / 24° | 29° / 20° |
| Rain | 223 mm | 43 mm |
| Humidity | dew pt 25° | dew pt 20° |
| PM2.5 | 6 µg/m³ | 9 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Cancún weather-station normals. Rainfall: Cancún weather-station normals (national met service).
Holidays & crowdsSeptember 2027
No long holidaysNo long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.
Other public holidays: Independence Day (16 Sep)
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore CancúnEvents, sights, food & souvenirs
Check event dates locallyA resort city on Mexico's Caribbean coast with a long hotel zone of white-sand beaches, close to Maya ruins, cenotes and islands.
Whale shark seasonDate variesUsually June to September
Whale sharks gather to feed on plankton.
Why go: Tours depart early and depend on sea conditions.
Where: Waters off Isla Mujeres and Holbox
Coming up later
Day of the DeadEvery year1–2 November every year
Families honour the dead with altars, food and visits to cemeteries.
Why go: Many hotels and towns hold public displays.
Where: Across the region
Spring equinox at Chichén ItzáDate variesAround 20–21 March
The afternoon sun creates a serpent-like shadow on the main pyramid.
Why go: Extremely crowded; the effect is visible for several days around the equinox.
Where: Chichén Itzá
Hotel Zone beaches
A strip of beaches with turquoise water on a long barrier island.
💡 Sargassum seaweed can affect beaches, usually more in the warmer months.
Isla Mujeres
A small island reached by ferry, with calm beaches and a relaxed town.
Chichén Itzá
A major Maya archaeological site, a long day trip inland.
💡 Go early to beat heat and crowds.
Cenotes
Natural sinkholes with clear freshwater for swimming and snorkelling, especially along the Ruta de los Cenotes near Puerto Morelos.
Underwater Museum of Art (MUSA)
Hundreds of submerged sculptures viewed by snorkelling or diving.
Whale shark toursgreat in Sep
Boat trips to swim with whale sharks off Isla Mujeres and Holbox.
💡 Choose operators that follow the official rules for the encounters.
Cochinita pibil
Pork marinated in achiote and citrus, slow-cooked, a Yucatán classic.
Sopa de lima
A Yucatecan chicken and lime soup with crispy tortilla strips.
Panuchos and salbutes
Fried tortillas topped with shredded meat and pickled onion.
Tikin xic
Fish marinated in achiote and grilled in a banana leaf.
Marquesitas
Crispy rolled crepes, often filled with cheese and sweet fillings.
💡 Street carts in the evening
Hammocks
Woven hammocks, a Yucatán tradition.
💡 Mercado 28 and craft markets
Embroidered huipiles
Traditional embroidered blouses and dresses.
💡 Craft markets
Xtabentún
An anise and honey liqueur from the Yucatán.
💡 Liquor stores