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September Weather in El Fuerte, Mexico

Last updated: August 26, 2025

In El Fuerte, Mexico, the average temperature in September hovers around 19°C (67°F), with a comfortable range from a minimum of 10°C (50°F) to a pleasant maximum of 30°C (86°F). However, be prepared for some rain, as the area experiences about 100 mm (3.9 in) of precipitation over 16 days, contributing to an average humidity level of 86%.

September Temperature in El Fuerte

In September in El Fuerte, the average temperature is 19°C (67°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 10°C (50°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in El Fuerte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Fuerte, September typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec556066707473707167656055
Data source: Temperature data for El Fuerte 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 Fuerte

In El Fuerte in September, the total precipitation amount reaches 100 mm (3.9 in) over the course of 16 days.

September Precipitation Trends in El Fuerte

The chart displays monthly precipitation patterns in El Fuerte, 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 Fuerte, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec16116813471095010045138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Fuerte

In El Fuerte in September humidity is 86%. With an average temperature of 19°C (67°F), this humidity feels like traveling through a thick, warm blanket, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.

September Average Humidity in El Fuerte

This chart illustrates the average monthly humidity levels in El Fuerte, 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 Fuerte is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Fuerte

In El Fuerte 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 El Fuerte, you can check here.

Maximum UV Index Levels in El Fuerte for September

The chart shows the monthly maximum UV Index (UVI) for El Fuerte 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 Fuerte typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131515141414141298
Data source: El Fuerte 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 Fuerte Compares to Other Months

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

This table compares monthly weather conditions in El Fuerte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)15 mm (0.6 inches)71%very high
February Weather15°C (60°F)11 mm (0.4 inches)64%extreme
March Weather19°C (66°F)6 mm (0.2 inches)49%extreme
April Weather21°C (70°F)8 mm (0.3 inches)47%extreme
May Weather23°C (74°F)13 mm (0.5 inches)55%extreme
June Weather23°C (74°F)47 mm (1.8 inches)77%extreme
July Weather21°C (70°F)109 mm (4.3 inches)82%extreme
August Weather22°C (71°F)49 mm (1.9 inches)83%extreme
September Weather19°C (67°F)100 mm (3.9 inches)86%extreme
October Weather19°C (66°F)45 mm (1.8 inches)83%extreme
November Weather16°C (60°F)13 mm (0.5 inches)80%very high
December Weather13°C (55°F)8 mm (0.3 inches)83%very high

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