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September Weather in Dona Ana, United States

Last updated: June 24, 2025

In September, the average temperature in Dona Ana, United States hovers around 25°C (77°F), providing a pleasant climate for outdoor activities. Be prepared for a range, as temperatures can dip to a cool 9°C (49°F) at night and soar to a sweltering 36°C (97°F) during the day. Expect 26 mm (1.0 in) of precipitation over approximately 4 days, contributing to an average humidity level of 70%. Enjoy the warmth, but don't forget your umbrella!

September Temperature in Dona Ana

In September in Dona Ana, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), while minimums can dip as low as 9°C (49°F). It's advisable to pack for warm days and cooler nights when traveling during this time.

September Weather in Dona Ana: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dona Ana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dona Ana, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057677583838277665546
Data source: Temperature data for Dona Ana 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 Dona Ana

In Dona Ana in September, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Dona Ana

The chart displays monthly precipitation patterns in Dona Ana, 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 Dona Ana, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1418154526443926271512
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dona Ana

In Dona Ana in September, humidity is 70%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, moist blanket that clings to your skin, making every step feel heavier as you explore the sights and sounds of your destination.

September Average Humidity in Dona Ana

This chart illustrates the average monthly humidity levels in Dona Ana, 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 Dona Ana is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%65%55%54%53%55%58%70%75%83%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dona Ana

In Dona Ana in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dona Ana.

Maximum UV Index Levels in Dona Ana for September

The chart shows the monthly maximum UV Index (UVI) for Dona Ana 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 Dona Ana typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211865
Data source: Dona Ana 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 Dona Ana Compares to Other Months

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

This table compares monthly weather conditions in Dona Ana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)14 mm (0.6 inches)79%moderate
February Weather10°C (50°F)18 mm (0.7 inches)79%high
March Weather14°C (58°F)15 mm (0.6 inches)65%very high
April Weather19°C (67°F)4 mm (0.2 inches)55%extreme
May Weather24°C (75°F)5 mm (0.2 inches)54%extreme
June Weather28°C (83°F)26 mm (1.0 inches)53%extreme
July Weather28°C (83°F)43 mm (1.7 inches)55%extreme
August Weather28°C (82°F)39 mm (1.5 inches)57%extreme
September Weather25°C (77°F)26 mm (1.0 inches)70%extreme
October Weather19°C (66°F)27 mm (1.1 inches)75%very high
November Weather13°C (56°F)15 mm (0.6 inches)83%high
December Weather8°C (47°F)12 mm (0.5 inches)82%moderate

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