September Weather in Tulum, Mexico - 2023

Tulúm is a town on the Caribbean coastline of Mexico's Yucatán Peninsula. It stands on a bluff facing east toward the Caribbean Sea. It is also known for its beaches and well-preserved ruins of an ancient Mayan port city. Tulúm is a special place- far less touristy, and much cheaper, than Cancun and Playa del Carmen. It has become the place to visit on the Mexican Riviera Maya.

Tulúm used to be a chilled out little fishing town, now it is growing in size and popularity but still manages to maintain that hippy vibe. The site might have been called Zama, meaning the City of Dawn, because it faces the sunrise. Tulúm is also the Yucatán Mayan word for fence, wall, or trench. The walls surrounding the site allowed the Tulúm fort to be defended against invasions. The city has access to both land and sea trade routes, making it an important trade hub.

September weather in Tulum Mexico

To get a good overview of the type of weather you can expect in September in Tulum, we will look at the day and night temperature, minimum and maximum water temperature, and if September is comfortable or humid

Generally, September in Tulum will be really nice. Historical data shows that you can expect an average temperature of around 86°F / 30°C. But due to the extreme humidity it can feel extremely uncomfortable. During the night, it will cool down to around 77°F / 25°C. Many will prefer a location with air conditioning due to the night temperature, and the high humidity level.

Tulum has its share of rainy days in September. You can expect around 23 rainy days, with on average 3.9 inches / 98 mm of rain during the whole month.

September weather in Tulum Mexico in more detail

To get a better feeling for the type of weather, you can expect in September in Tulum, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds

- What will the temperature be in Tulum in September

Generally, you can expect in September an average temperature of 86°F / 30°C during the day and an average of 77°F / 25°C during the night. In September, during the warmest part of the afternoon, the temperature can often get as high as 91°F / 33°C, and at the end of the night, it can get as low as 73°F / 23°C.

When looking at the whole year, January and December are the coldest months, with an average temperature of around 80°F / 27°C. April, May, July and August are the hottest months, with an average temperature of around 87°F / 31°C. When comparing September with the temperature in the month before and after, this is almost equal to August, which sees an average maximum temperature of around 87°F / 31°C. And equal to October, which sees an average maximum temperature of around 86°F / 30°C.

But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, April, May, July and August are the hottest months, with a temperature of around 93°F / 34°C. January and December are the coldest months, with a temperature of around 86°F / 30°C. When comparing September with the temperature in the month before and after, this is almost equal to August, which sees an average maximum temperature of around 93°F / 34°C. And almost equal to October, which sees an average maximum temperature of around 89°F / 32°C.

In the following graph, you can see how many cold and hot days you can expect in Tulum each month:

- Can you expect rain in September in Tulum?

Generally, you can expect about 23 rain days in September, with on average 3.9 inches / 98 mm of rain.

When looking at the whole year, February and March are the driest months, with an average rainfall of around 0.7 inches / 18 mm. September is the wettest month, with an average rainfall of around 3.9 inches / 98 mmmm. When comparing September with the month before and after, this is a lot more than August, which sees around 3 inches / 75 mm of rain. And more than October, which sees around 3.6 inches / 92 mm of rain

If we look at the number of days with rain, March and April And are the months with the least amount of rain days with an average of between 7 and 8 days September is the month with the most rain days with an average of between 22 and 23 days. When comparing September with the month before and after, this is slightly more than August, which sees an average of between 19 and 20 days of rain. And slightly more than October, which sees an average of between 17 and 18 days of rain

- What will the water temperature be in Tulum for September

You can expect in September, the water temperature for Tulum to be between 87°F / 31°C and 84°F / 29°C.

To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.

September has the highest water temperature, with an average of between 86°F / 30°C and 87°F / 31°C. January has the lowest water temperature, with an average of between 78°F / 26°C and 80°F / 27°C. When comparing the water temperature from September with the month before and after, September has a water temperature almost equal to August, with a water temperature of around 86°F / 30°C. And almost equal to the water temperature from October, that is around 86°F / 30°C.

- Can you expect in September a lot of sunny days in Tulum

Generally, you can expect around 4 sunny days in September and around 20 partly sunny days. The remaining days will be cloudy.

When looking at the whole year, March is the month with the highest number of sunny days, with around 14 sunny days. September is the month with the lowest number of sunny days, with an average of between 3 and 4 sunny days. When comparing September with the number of sunny days in the month before and after, it is almost equal to August, with an average of between 4 and 5 sunny days. And slightly less than October, with an average of between 7 and 8 sunny days

We have looked at the sunny days in Tulum. Let's also look at the cloudy or overcast days. June is the month with the highest number of cloudy days, with an average of between 7 and 8 cloudy days. April is the month with the lowest number of cloudy days, with around 1 cloudy day. When comparing September with the number of cloudy days in the month before and after, it is almost equal to August, with around 5 cloudy days. And almost equal to October, with around 5 cloudy days

- Will it be comfortable in September in Tulum?

Generally, September in Tulum will be extremely humid, and can feel extremely uncomfortable.

We use the humidity and temperature in Tulum to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.

When looking at the whole year, January has the lowest humidity, with a Wintersun Expert comfort level of "slightly uncomfortable" (moderately humid). July and August And have the highest humidity, with a Wintersun Expert comfort level of "extremely uncomfortable" (extremely humid). When comparing September with the month before and after, this is almost equal to August, which has a Wintersun Comfort level of "extremely uncomfortable" (extremely humid). And almost equal to October, which has a Wintersun Comfort level of "very uncomfortable" (very high humidity)

What to do in Tulum Mexico in September

Tulúm has notable places that are worthwhile visiting:

• Archeological sites: El Castillo, the Temple of the Frescoes, and the Temple of the Descending God.
• The Beaches: The beaches in Tulúm are gorgeous. Arguably, the best beach in Tulúm is Playa Ruinas at the ruins, for that picture-perfect dip in the water next to ancient Mayan temples. Other popular beach spots are Playa Paraíso, and the secluded Las Palmas beach.
• Cenotes: A large number of cenotes are located in the Tulúm area such as Maya Blue, Naharon, Temple of Doom, Tortuga, Vacaha, Grand Cenote, Abejas, Nohoch Kiin, and Carwash cenotes and cave systems.
• Art/Museum: The newly built Treehouse Art Gallery- this seaside gallery is located on the site of Tulúm's eco-friendly Azulik Resort.

Is it humid in Tulum Mexico in September?

A lot of people ask interested in the humidity or relative humidity for Tulum Mexico in September. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in September in Tulum, or will high humidity make it uncomfortable.

To answer this question, we have to look at the dew point. Relative humidity can change a lot in Tulum during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.

Looking at the dew point, we can see that for the month of September, you can expect that Tulum will be extremely humid, and can feel extremely uncomfortable.

January is the month with the most comfort. It will be moderately humid, and can feel slightly uncomfortable for some. July and August are the most uncomfortable months. It will be extremely humid, and can feel extremely uncomfortable. In the graph, you can see that there is not a lot of difference between the most comfortable and most uncomfortable months.

Is September a good time to go to Tulum Mexico?

Trying to answer the question of whether September is a good time to go to Tulum is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.

These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.

If we look at the average temperature for Tulum in September, we can see that it will be too hot for a lot of visitors. In September, you can expect it to be really nice, with an average temperature of around 86°F / 30°C. But due to the extreme humidity it can feel extremely uncomfortable. During the night, it will be around 77°F / 25°C.

The number of overcast days is more than 5, but you can still the sun with around 4 sunny days and 20 partly sunny days.

The last aspect we will look at is rain. You can expect around 23 rainy days, with on average 3.9 inches / 98 mm of rain during September. More then 5 days rain per month makes the chance higher you will see some rain during a shorter stay. But a day with rain does not mean a day you can not enjoy.

We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that September in Tulum Mexico is not the most optimal destination. But that doesn't mean it is not a good time for you to go. As said before, each visitor has their own preferences when it comes to the weather.

Does it rain all day in Tulum Mexico in September?

In Tulum, it does not rain all day in September. You can expect around 23 rainy days, with on average 3.9 inches / 98 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For Tulum Mexico, there are, on average 4 sunny days and 20 partly sunny days in September. That clearly shows that it is not raining all the time.

Is September the rainiest month in Tulum Mexico?

September is the month with the most rainy days, and it is the month with the most rain.

To answer what the rainiest month is in Tulum, we will both look at the month with the most rain, and the month with the highest number of rainy days.

September is the month with the the highest number of rainiest days. On average, you can expect 23 days with rain. March and April are the months with the lowest number of rainy days, with aproximately 8 days.

September is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 3.9 inches / 98 mm of rain. March and April are the months with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 0.7 inches / 18 mm of rain.

Is September the most sunniest month in Tulum Mexico?

September is not the month with the most sunny days, not the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.

To answer what the sunniest month is in Tulum, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.

March is the month with the highest number of sunny days. On average, you can expect 4 sunny days, and 20 partly suny days. September is the month with the lowest number of sunny days.

March is the month with the highest number of sunny days and partly sunny days combined. While June is the month with the lowest number of sunny days and partly sunny days combined.

The last thing we will look at is the number of overcast days. April is the month with the lowest number of overcast days. While June is the month with the highest number of overcast days.

More information about Tulum Mexico

Weather in Tulum Mexico in other months

• Weather in Tulum Mexico for January
• Weather in Tulum Mexico for February
• Weather in Tulum Mexico for March
• Weather in Tulum Mexico for April
• Weather in Tulum Mexico for May
• Weather in Tulum Mexico for June
• Weather in Tulum Mexico for July
• Weather in Tulum Mexico for August
• Weather in Tulum Mexico for October
• Weather in Tulum Mexico for November
• Weather in Tulum Mexico for December

What to do in Tulum Mexico for each month

• What to do in January in Tulum Mexico
• What to do in February in Tulum Mexico
• What to do in March in Tulum Mexico
• What to do in April in Tulum Mexico
• What to do in May in Tulum Mexico
• What to do in June in Tulum Mexico
• What to do in July in Tulum Mexico
• What to do in August in Tulum Mexico
• What to do in September in Tulum Mexico
• What to do in October in Tulum Mexico
• What to do in November in Tulum Mexico
• What to do in December in Tulum Mexico