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Tuxtla Gutiérrez Weather in September
In Tuxtla Gutiérrez, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 20°C (68°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Tuxtla Gutiérrez in September
Tuxtla Gutiérrez is in the rainy season in September, with rain on around 16 days and an average of 315 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Tuxtla Gutiérrez in September
September in Tuxtla Gutiérrez sees highs of 29°C (84°F) and lows of 20°C (68°F) overnight. This kind of day-to-night contrast is typical for this time of year. At 20°C (68°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 Tuxtla Gutiérrez in September
You can expect a moderate amount of sunlight, with approximately 118 hours. Even though this month is part of the wet season, you can still see the sun occasionally.September in Tuxtla Gutiérrez has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Tuxtla Gutiérrez Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
29°C (84°F)
Chance of Rain
53%
Precipitation
315 mm (12 in)
Rainy days
16 days
Humidity
80% *
Sunshine
118 hours *
Percentage Sunshine
*
* Data from: San Cristóbal de Las Casas, Mexico (51 KM, 31 Miles).
Tuxtla Gutiérrez Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tuxtla Gutiérrez - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tuxtla Gutiérrez typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows around 17°C (63°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 Tuxtla Gutiérrez in September
Browse day-by-day weather records for Tuxtla Gutiérrez spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tuxtla Gutiérrez historical weather extremes in September
Based on 40 years of weather observations (1986-2026), these are the most extreme conditions recorded in Tuxtla Gutiérrez.
- On September 15, 2009, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- On September 11, 2003, Tuxtla Gutiérrez saw its coldest September day with temperatures maxing out at 21°C (70°F).
- The lowest overnight temperature recorded in September was 10°C (50°F) (September 9, 2016).
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 Tuxtla Gutiérrez in September
Warm but pleasant conditions in Tuxtla Gutiérrez 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Tuxtla Gutiérrez in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Tuxtla Gutiérrez 3-Day Forecast
More climate data for Tuxtla Gutiérrez
Temperature Rainfall Sunshine Humidity
See the full Tuxtla Gutiérrez 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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