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Tepoztlán Weather in September
Thinking of visiting Tepoztlán in September? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 14°C (57°F) at night, and be prepared for the wettest month of the year.
Rainfall in Tepoztlán in September
Tepoztlán is in the rainy season in September, with rain on around 18 days and an average of 431 mm (17 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Tepoztlán in September
September in Tepoztlán brings typical temperatures with highs around 24°C (75°F) and lows of 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Tepoztlán in September
The area experiences a moderate amount of sunshine, with approximately 150 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Tepoztlán.
Tepoztlán Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
24°C (75°F)
Chance of Rain
60%
Precipitation
431 mm (17 in)
Rainy days
18 days
Humidity
69% *
Sunshine
150 hours *
Percentage Sunshine
*
* Data from: Mexico City, Mexico (49 KM, 30 Miles).
Tepoztlán Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tepoztlán - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tepoztlán typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Tepoztlán in September
Browse day-by-day weather records for Tepoztlán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tepoztlán historical weather extremes in September
The extremes listed below come from historical weather data collected in Tepoztlán from 1986 through 2026.
- On September 14, 2010, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
- Tepoztlán experienced its chilliest September day on September 27, 1989, reaching only 17°C (63°F).
- Tepoztlán registered its coldest September night on September 30, 2010, with temperatures dropping to 2°C (36°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 Tepoztlán in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Tepoztlán in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
Tepoztlán 3-Day Forecast
More climate data for Tepoztlán
Temperature Rainfall Sunshine Humidity
See the full Tepoztlán 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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