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September Weather in El Paso, Mexico

Last updated: August 26, 2025

In El Paso, Mexico, the average temperature in September hovers around 16°C (61°F), with a minimum of 8°C (46°F) and a maximum reaching up to 26°C (79°F). Be prepared for the possibility of rain, as the area experiences an average precipitation of 340 mm (13.4 in) over 28 days. The air is quite humid too, with an average humidity level of 85%, making it feel even more sultry.

September Temperature in El Paso

In September in El Paso, the average temperature is 16°C (61°F). Maximums can reach 26°C (79°F) and minimums can be as low as 8°C (46°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in El Paso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Paso, September typically has an average temperature of 16°C (61°F), with highs reaching up to 26°C (79°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec535660636462606161605754
Data source: Temperature data for El Paso 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 Paso

In El Paso in September, the total precipitation amount is 340 mm (13.4 in) spread over a period of 28 days.

September Precipitation Trends in El Paso

The chart displays monthly precipitation patterns in El Paso, 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 Paso, September typically receives around 340 mm (13.4 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec171323181063174584353401425310
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Paso

In El Paso in September, humidity is 85%. With an average temperature of 16°C (61°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel sticky and the air heavy, which can be challenging for traveling and exploring the area comfortably.

September Average Humidity in El Paso

This chart illustrates the average monthly humidity levels in El Paso, 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 Paso is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Paso

In El Paso 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 Paso, you can check here.

Maximum UV Index Levels in El Paso for September

The chart shows the monthly maximum UV Index (UVI) for El Paso 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 Paso typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111415141413141412108
Data source: El Paso 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 Paso Compares to Other Months

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

This table compares monthly weather conditions in El Paso, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)17 mm (0.7 inches)70%very high
February Weather13°C (56°F)13 mm (0.5 inches)64%extreme
March Weather16°C (60°F)23 mm (0.9 inches)54%extreme
April Weather17°C (63°F)18 mm (0.7 inches)61%extreme
May Weather18°C (64°F)106 mm (4.2 inches)75%extreme
June Weather17°C (62°F)317 mm (12.5 inches)83%extreme
July Weather16°C (61°F)458 mm (18.0 inches)83%extreme
August Weather16°C (61°F)435 mm (17.1 inches)85%extreme
September Weather16°C (61°F)340 mm (13.4 inches)85%extreme
October Weather15°C (60°F)142 mm (5.6 inches)79%extreme
November Weather14°C (57°F)53 mm (2.1 inches)76%very high
December Weather12°C (54°F)10 mm (0.4 inches)74%very high

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