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September Weather in El Terrero, Mexico

Last updated: August 26, 2025

In El Terrero, Mexico, the average temperature in September is a warm 26°C (80°F), making it a pleasant time to visit. However, expect a range with minimums of 19°C (67°F) and maximums reaching 37°C (99°F). Be prepared for 193 mm (7.6 in) of precipitation over about 16 days, and keep in mind the high average humidity at 83%, which may add to the sultry atmosphere.

September Temperature in El Terrero

In September in El Terrero, the average temperature is 26°C (80°F). Maximums can reach 37°C (99°F), while minimums can dip to as low as 19°C (67°F). This moderate climate makes El Terrero an ideal destination for travelers seeking pleasant weather and outdoor activities.

September Weather in El Terrero: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Terrero, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Terrero, September typically has an average temperature of 26°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec757781838583828179797775
Data source: Temperature data for El Terrero 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 El Terrero

In El Terrero in September, the total precipitation amount is 193 mm (7.6 in), spread over a period of 16 days.

September Precipitation Trends in El Terrero

The chart displays monthly precipitation patterns in El Terrero, 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 El Terrero, September typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec51310713466108193105344
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Terrero

In El Terrero in September humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

September Average Humidity in El Terrero

This chart illustrates the average monthly humidity levels in El Terrero, 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 El Terrero is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Terrero

In El Terrero in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in El Terrero.

Maximum UV Index Levels in El Terrero for September

The chart shows the monthly maximum UV Index (UVI) for El Terrero 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 El Terrero typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131313141313131198
Data source: El Terrero 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 El Terrero Compares to Other Months

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

This table compares monthly weather conditions in El Terrero, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)5 mm (0.2 inches)70%very high
February Weather25°C (77°F)13 mm (0.5 inches)65%very high
March Weather27°C (81°F)1 mm (0.1 inches)59%extreme
April Weather28°C (83°F)0 mm (0.0 inches)60%extreme
May Weather30°C (86°F)7 mm (0.3 inches)67%extreme
June Weather28°C (83°F)134 mm (5.3 inches)80%extreme
July Weather28°C (82°F)66 mm (2.6 inches)81%extreme
August Weather27°C (82°F)108 mm (4.2 inches)83%extreme
September Weather26°C (80°F)193 mm (7.6 inches)83%extreme
October Weather26°C (79°F)105 mm (4.1 inches)80%extreme
November Weather25°C (77°F)34 mm (1.4 inches)77%very high
December Weather24°C (75°F)4 mm (0.2 inches)76%very high

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