Cancun Weather in September – All You Must Know Before Traveling

If you are considering traveling to Mexico in September you need to take a couple of things into consideration. This post on Cancun weather in September includes all the pros and cons of traveling to Cancun in that month.

The best period to save money in Cancun is from September to November. But these months are also known as the wet season.

There’s lots of rain, high humidity, and high temperatures. You want to visit during September, but you’re wondering what kind of fun you can have during this month. It’s a vacation after all.

Today, I’ll cover this month in detail, including what kind of weather you can expect, which activities and events you can attend when you visit, and more.

Let’s begin by taking a brief look at the average temperatures during this month.

Cancun weather in September at a glance

AVERAGE TEMPERATURE	28ºC	82ºF
LOWEST TEMPERATURE	25ºC	77ºF
HIGHEST TEMPERATURE	33ºC	91ºF
AVERAGE DAY TEMPERATURE	28.9ºC	84ºF
AVERAGE NIGHT TEMPERATURE	26.6ºC	80ºF
SUNSHINE HOURS	9 hr
RAINFALL	270 mm
SEA TEMPERATURE	29ºC	84ºF
CHANCE OF CLOUDY DAYS	25%
CHANCE OF WINDY DAYS	4%
SUNSET HOUR	From 7:03 pm (Sept 1st) to 7:35 pm (Sept 30th)
SUNRISE HOUR	From 6:31 am (Sept 1st) to 6:38 am (Sept 30th)

Sources: Time zone, Holiday weather, Accuweather

Cancun weather in September – what to expect

You might have heard that the period from September through early November is part of the hurricane season in Cancun.

It’s technically true, and although rare, they are more likely to show up from the End of August through September.

However, if it can help, it’s been more than a decade since a hurricane hit Cancun in 2005.

The weather in September is generally very hot and humid. The average temperature at first glance might not seem very high at 28C (82F), but you have to remember that the humidity is almost always above 60%, day or night.

That’s why the real feel will always be higher than the temperature at any given moment. When booking accommodations, look for ones with air-conditioning.

As for the rain, September is the rainiest month of the year and you’ll get around 10 rainy days, but most of these are rain showers that pass within 2-3 hours.

I’d say that if you can tolerate the heat and humidity, and have to cancel the occasional plan due to rain, you can have a lot of fun during this month.

Temperatures in Cancun in September

The temperatures remain stable throughout the month of September. That’s to say they remain quite high and the air stays muggy almost always.

A big reason for this is the lack of windy days. In the whole month, you’ll get 2-4 windy days, and these will likely be towards the end of the month.

You can expect the real feel to hover above 30C (86F) due to the high humidity. Even at night, you’ll rarely see it drop below 80F.

On the bright side, because of this not-very attractive weather, you can score the lowest prices on accommodations in September. Just make sure you book an air-conditioned room to stay in.

Humidity and rain in Cancun in September

Humidity in Cancun is at its highest in September, so expect it to be around 70-90% humid most of the time. You’ll even see it reach as high as 98-100% sometimes.

Humidity is the biggest reason why temperatures will almost always feel higher than they actually are.

This is also the rainiest month of the year, you’ll see around 10-12 rainy days and a total rainfall of around 270m.

Most of these days, the rain showers will pass within 2-3 hours; but you will see a few days when it rains throughout, so be prepared to cancel a few plans.

Traveling to Cancun in September

So far, it might seem like it’s not worth traveling to Cancun in September. But it’s a good time to visit for several reasons. As always, I’ll cover them briefly.

September is part of the low season, which means you can score some great deals. Everything from flights to accommodations to tours and excursions will be noticeably cheaper.

If you take the time to properly plan your trip and go deal hunting, you can easily save hundreds (or even thousands) of dollars.

The side benefit to this low season is that no place will be crowded or completely booked. No matter where you want to go, you’ll be able to enjoy your time in peace and quiet.

The temperature is high, but Cancun’s beaches still remain the most comfortable place to relax and enjoy your time. In case it’s too hot, you can always go to a nearby cenote; the cenotes stay cool all year round.

When you do go to a beach, though, you’ll be able to enjoy the sight of sea turtles hatching. It’s a unique experience that you can’t see during the high season.

You might also be able to swim with the whale shark in the first week or so of this month if you are lucky as in this month they are starting to migrate to other seas in search of food.

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Events in Cancun in September

Cancun has events all year round, and September is no exception. Let’s see what you’ll have in store.

Mexican Independence Day

The celebrations for Mexican Independence Day take place on September 15 and 16. They begin on the afternoon of the 15th in Downtown Cancun; throughout the day, you’ll be able to enjoy plenty of music and food.

At 11 PM, people chant the cry for independence, followed by the national anthem, and fireworks. The parties then continue until the early morning.

On 16^th, which is the actual Independence Day, you can find parties in almost all the bars and hotels in the Hotel Zone.

Autumn Equinox

The Autumn Equinox festival takes place at Chichen-Itza every year on September 22^nd. Thousands of people, tourists, and locals alike go to Chichen-Itza to watch the late afternoon light reveal the figure of the serpent god Kukulkan on the El Castillo pyramid.

However, since September is the rainiest and cloudiest month of the year, you might not be able to watch this spectacle.

A useful tip is that the sun also projects the image of Kukulkan 2 days before the actual Autumn Equinox, on September 20.

If you’re interested in attending this event, check the weather forecasts for both of these days and plan your trip accordingly.

Salsa-Casino Mayan Congress

The Salsa-Casino festival celebrates salsa dancing, with plenty of music and parties. This 4-day event has a different schedule every year, so I can’t tell you guys the exact dates during which it’ll happen. You’ll have to follow their Facebook page to find that out.

Recommended tours in Cancun in September

Packing list for Cancun in September

Here is a short packing list of essential items for Cancun in February. As you notice I am including a light sweater cause it can indeed be chilly.

✔️swim suit

✔️ water bottle – important to save the environment from plastics and stay hydrated

✔️ sunscreen – (eco-friendly – but remember you cannot use it in Cenotes)

✔️ flip flops

✔️ beach towels (unless you are going to a beach hotel in which case you will be provided)

✔️ mosquito repellent (eco-friendly – but remember you cannot use it in Cenotes)

✔️Go Pro for amazing pictures while diving and snorkeling

✔️ Phone waterproof case

✔️ Drybag for your belonging when you are on the beach and in the water

✔️Beach bag

✔️ Sun Glasses

✔️ Raincoat

✔️ Sun and waterproof Hat

Cancun in September FAQ

Is it a good time to go to Cancun in September?

It’s a good month to go to Cancun as long as you can tolerate the heat and the humidity. There are no crowds anywhere you go, so you can enjoy your time in peace, and you can save a lot of money on your trip by looking for deals.

Rain is a bit of a factor and you may have to cancel a few plans, but most of the time the rain showers don’t last long enough that you’ll have to cancel a whole day.

Cancun is famous for its beaches and they are just as enjoyable in September as they are during other months. I’d say they’re even more enjoyable because there are little to no crowds.

In short, Cancun is definitely worth going to in September, as long as you’re willing to deal with the caveats I’ve mentioned above.

Is it too hot in Cancun in September?

When you look at the temperature figures on paper, it doesn’t seem so hot during the month. However, as I’ve mentioned before, September is the most humid month and you’ll definitely feel the humidity.

The atmosphere is muggy and, on most days, it feels significantly warmer than it actually is.

Is it too rainy in Cancun in September?

It’s as rainy as it gets! But don’t worry, most of the time the rain showers pass within 2-3 hours, leaving a clear day. Cancun is very enjoyable during September and it’s possible to have a ton of fun.

Weather in Cancun for every month of the year

IIf you want to have an overview, first, you can check out my guide to When is the best time to travel to Cancun? Otherwise here below you will find thorough information on Cancun weather and events for every month.

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