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September Weather in Tuxtla Chico, Mexico

Last updated: August 27, 2025

The average temperature in Tuxtla Chico, Mexico during September is a pleasant 24°C (75°F). However, you can expect a range from a comfortable 17°C (63°F) to a warm 31°C (88°F). With precipitation reaching 683 mm (26.9 in) over 29 days, it's advisable to prepare for some rainy moments. Additionally, the average humidity hovers around a muggy 82%, ensuring that the atmosphere feels quite moist throughout the month.

September Temperature in Tuxtla Chico

In September in Tuxtla Chico, the average temperature is 24°C (75°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 17°C (63°F). This makes it a perfect time for travelers to enjoy a pleasant climate while exploring the area.

September Weather in Tuxtla Chico: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tuxtla Chico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tuxtla Chico, September typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (88°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec737576777775767575757473
Data source: Temperature data for Tuxtla Chico generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Tuxtla Chico

In Tuxtla Chico in September, the precipitation amount is 683 mm (26.9 in) distributed over a span of 29 days.

September Precipitation Trends in Tuxtla Chico

The chart displays monthly precipitation patterns in Tuxtla Chico, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Tuxtla Chico, September typically receives around 683 mm (26.9 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec27153812053355346059068365827648
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tuxtla Chico

In Tuxtla Chico in September, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

September Average Humidity in Tuxtla Chico

This chart illustrates the average monthly humidity levels in Tuxtla Chico, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Tuxtla Chico is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tuxtla Chico

In Tuxtla Chico in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Tuxtla Chico, you can check here.

Maximum UV Index Levels in Tuxtla Chico for September

The chart shows the monthly maximum UV Index (UVI) for Tuxtla Chico in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Tuxtla Chico typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
Data source: Tuxtla Chico September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Tuxtla Chico Compares to Other Months

Weather in Tuxtla Chico varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tuxtla Chico, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tuxtla Chico, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)27 mm (1.0 inches)76%very high
February Weather24°C (75°F)15 mm (0.6 inches)68%extreme
March Weather24°C (76°F)38 mm (1.5 inches)59%extreme
April Weather25°C (78°F)120 mm (4.7 inches)57%extreme
May Weather25°C (77°F)533 mm (21.0 inches)65%extreme
June Weather24°C (76°F)553 mm (21.8 inches)66%extreme
July Weather24°C (76°F)460 mm (18.1 inches)75%extreme
August Weather24°C (76°F)590 mm (23.2 inches)82%extreme
September Weather24°C (75°F)683 mm (26.9 inches)82%extreme
October Weather24°C (75°F)658 mm (25.9 inches)83%extreme
November Weather23°C (74°F)276 mm (10.9 inches)80%very high
December Weather23°C (73°F)48 mm (1.9 inches)76%very high

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