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September Weather in El Triunfo, Mexico

Last updated: August 27, 2025

In September, the average temperature in El Triunfo, Mexico hovers around 28°C (83°F), making it a warm destination. Expect a minimum of 23°C (73°F) and a peak of 38°C (101°F) during this period. While enjoying the sunshine, be prepared for 225 mm (8.8 in) of precipitation spread over 23 days. With an average humidity of 77%, it's advisable to stay hydrated and seek shade!

September Temperature in El Triunfo

In September in El Triunfo, the average temperature is 28°C (83°F). The maximum can reach 38°C (101°F) and the minimum can be as low as 23°C (73°F). This makes it an ideal time for travelers to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in El Triunfo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Triunfo, September typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec757983878884848483817776
Data source: Temperature data for El Triunfo 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 Triunfo

In El Triunfo, in September, the precipitation amount is 225 mm (8.8 in) over a span of 23 days.

September Precipitation Trends in El Triunfo

The chart displays monthly precipitation patterns in El Triunfo, 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 Triunfo, September typically receives around 225 mm (8.8 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec341814298635611116822520110440
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Triunfo

In El Triunfo in September, humidity is 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

September Average Humidity in El Triunfo

This chart illustrates the average monthly humidity levels in El Triunfo, 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 Triunfo is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Triunfo

In El Triunfo 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 Triunfo.

Maximum UV Index Levels in El Triunfo for September

The chart shows the monthly maximum UV Index (UVI) for El Triunfo 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 Triunfo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: El Triunfo 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 Triunfo Compares to Other Months

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

This table compares monthly weather conditions in El Triunfo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)34 mm (1.3 inches)84%very high
February Weather26°C (80°F)18 mm (0.7 inches)73%extreme
March Weather28°C (83°F)13 mm (0.5 inches)59%extreme
April Weather31°C (87°F)29 mm (1.1 inches)52%extreme
May Weather31°C (89°F)86 mm (3.4 inches)53%extreme
June Weather29°C (84°F)356 mm (14.0 inches)55%extreme
July Weather29°C (84°F)110 mm (4.3 inches)61%extreme
August Weather29°C (84°F)168 mm (6.6 inches)71%extreme
September Weather28°C (83°F)225 mm (8.8 inches)77%extreme
October Weather27°C (81°F)201 mm (7.9 inches)78%extreme
November Weather25°C (77°F)104 mm (4.1 inches)82%very high
December Weather24°C (76°F)40 mm (1.6 inches)86%very high

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