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Tulum Weather in September
September in Tulum typically sees daytime highs of 31°C (88°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Tulum in September
You can expect rain on roughly 15 days based on historical data, averaging 203 mm (8 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Tulum in September
September in Tulum brings very high temperatures, with highs of 31°C (88°F) and nights around 26°C (79°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Tulum in September
With approximately 202 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.September in Tulum has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Tulum Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
50%
Precipitation
203 mm (8 in)
Rainy days
15 days
Sunshine
202 hours *
Percentage Sunshine
*
* Data from: Playa del Carmen, Mexico (61 KM, 38 Miles).
Tulum Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tulum - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Tulum typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather records for Tulum in September
Browse day-by-day weather records for Tulum spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tulum historical weather extremes in September
Our historical data for Tulum spans 1989 to 2025, revealing these weather extremes.
- The hottest September day on record in Tulum reached 38°C (100°F) (September 3, 2019).
- On September 22, 1989, Tulum saw its coldest September day with temperatures maxing out at 25°C (77°F).
- The coldest night in September in Tulum was on September 27, 2001, with a minimum of 17°C (63°F).
Best Places in Mexico in September
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Tulum in September
Warm but pleasant conditions in Tulum in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Tulum in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Tulum 3-Day Forecast
More climate data for Tulum
See the full Tulum climate overview or explore weather in Mexico.
Popular in September
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) Bucket list
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