Mexico weather

Our guide to the weather in Mexico during September

23

Average high

4

UV Index

199mm

Monthly rainfall

67%

Humidity

We've looked at the most up-to-date weather data for Mexico, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Mexico weather in September.

How warm is it in Mexico during September?

The temperature reaches around 23℃ during the daytime in September, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Mexico during September?

On average, there will be 9 rainy days during the month, amounting to 199.4mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Mexico during September?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

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Mexico Blog posts

From the US most popular travel bloggers

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72 Hours in Morelia: The Perfect Three-Day Itinerary for Morelia

12th January 2023 by Pause the Moment

Morelia, the capital city of the Michoacán state of Mexico, was built by the Spanish in the 16th century. It is home to many well-preserved buildings with a rich history, such as Spanish colonial palaces and churches. The historic center of Morelia is a popular destination for travelers from all around the globe. Visitors can explore the city's many attractions, making it the perfect place for a three-day itinerary....

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The best hotels to stay at in Tulum

19th December 2022 by The Blonde Abroad

Located on Mexico’s Riviera Maya, Tulum is a location known for its beaches. However, in recent years, Tulum has become a destination for yoga retreats, dining experiences, boutique shopping, and nightlife. Amidst the relaxing white sand beaches, visitors to Tulum can also visit the incredibly preserved ruins of an ancient Mayan city. Tulum has it all for any traveler....

Weather in Mexico

Our month-by-month guide to the weather and climate in Mexico

18.8

Mexico weather in

January
21.5

Mexico weather in

February
24.0

Mexico weather in

March
26.4

Mexico weather in

April
27.4

Mexico weather in

May
26.4

Mexico weather in

June
24.6

Mexico weather in

July
25.1

Mexico weather in

August
23.4

Mexico weather in

September
23.0

Mexico weather in

October
21.1

Mexico weather in

November
19.6

Mexico weather in

December