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September Weather in El Paso, United States

Last updated: June 24, 2025

In El Paso, United States, the average temperature in September hovers around 17°C (64°F). However, be prepared for a minimum low of 1°C (35°F) and potential highs reaching 33°C (91°F). This month sees an average precipitation of 109 mm (4.3 in) spread over about 10 days, contributing to a humidity level of 80%. Enjoy the varied weather but remember to pack accordingly!

September Temperature in El Paso

In September in El Paso, the average temperature is 17°C (64°F). Maximum can reach 33°C (91°F) and minimum can be as low as 1°C (35°F). We recommend packing layers to ensure you are prepared for both warm days and cool nights while traveling.

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 17°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec171733435870737063483323
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 precipitation amount is 109 mm (4.3 in) spread over 10 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 109 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec334359921451341201331091094556
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 80%. With an average temperature of 17°C (64°F), this humidity feels like a warm blanket wrapping around you, making travel somewhat uncomfortable as the air feels heavy and oppressive.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in El Paso.

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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
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 Weather-9°C (17°F)33 mm (1.3 inches)88%low
February Weather-8°C (18°F)43 mm (1.7 inches)89%moderate
March Weather1°C (33°F)59 mm (2.3 inches)86%moderate
April Weather6°C (43°F)92 mm (3.6 inches)85%high
May Weather15°C (59°F)145 mm (5.7 inches)79%very high
June Weather21°C (70°F)134 mm (5.3 inches)80%very high
July Weather23°C (74°F)120 mm (4.7 inches)80%very high
August Weather21°C (70°F)133 mm (5.2 inches)78%very high
September Weather17°C (64°F)109 mm (4.3 inches)80%high
October Weather9°C (48°F)109 mm (4.3 inches)84%moderate
November Weather1°C (33°F)45 mm (1.8 inches)89%moderate
December Weather-5°C (24°F)56 mm (2.2 inches)85%low

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