Doña Ana County (Las Cruces)
September
Weather in Doña Ana County, New Mexico for September 2026
Your guide to Doña Ana County weather in September - trends and predictions
So far, September 2026 in Doña Ana County shows a warmer trend than usual by 2.5 °F.
The forecast for the next days in Doña Ana County predicts temperatures to be around 33 °F, close to the historical average.
In general, the average temperature in Doña Ana County at the beginning of September is 33.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.9 °F by the end of September.
Doña Ana County experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 118 mm.
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Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
30°/19°
Temperatures
21 km/h
Avg max wind
50 %
Avg humidity
Doña Ana County Weather September
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Temperatures trend during September in Doña Ana County
See the weather trend as well as the moving average line
September weather in Doña Ana County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 31° /21° | 8.9 mm | 7 | |
| Sept. 2 |  Partly cloudy | 35° /20° | 0 mm | 12 | |
| Sept. 3 |  Sunny | 36° /21° | 1 mm | 11 | |
| Sept. 4 |  Overcast | 34° /21° | 1 mm | 5 | |
| Sept. 5 |  Heavy rain | 29° /18° | 25.3 mm | 5 | |
| Sept. 6 | Partly cloudy | 34° /20° | 0 mm | 12 | |
| Sept. 7 | Sunny | 35° /21° | 0 mm | 12 | |
| Sept. 8 | Sunny | 35° /21° | 0 mm | 12 | |
| Sept. 9 | Sunny | 35° /21° | 0.4 mm | 8 | |
| Sept. 10 | Patchy rain possible | 37° /20° | 5 mm | 9.9 | |
| Sept. 11 | Sunny | 35° /24° | 0 mm | 10 | |
| Sept. 12 | Sunny | 35° /24° | 0 mm | 10 | |
| Sept. 13 | Sunny | 36° /25° | 0.5 mm | 10 | |
| Sept. 14 | Sunny | 34° /23° | 2 mm | 9.1 | |
| Sept. 15 | Sunny | 32° /22° | 3.8 mm | 8 | |
| Sept. 16 | Light rain shower | 31° /23° | 3.6 mm | 7 | |
| Sept. 17 | Sunny | 32° /22° | 0.4 mm | 8 | |
| Sept. 18 | Sunny | 32° /24° | 0 mm | 8 | |
| Sept. 19 | Sunny | 33° /25° | 0 mm | 8 | |
| Sept. 20 | Sunny | 33° /25° | 0 mm | 8 | |
| Sept. 21 | Overcast | 33° /24° | 0.9 mm | 7 | |
| Sept. 22 | Overcast | 33° /24° | 0 mm | 8 | |
| Sept. 23 | Overcast | 22° /20° | 0.5 mm | 6 | |
| Sept. 24 | Partly cloudy | 30° /19° | 0 mm | 9 | |
| Sept. 25 |  Thundery outbreaks possible | 26° /17° | 5.6 mm | 5 | |
| Sept. 26 | Thundery outbreaks possible | 26° /18° | 0 mm | 3 | |
| Sept. 27 | Overcast | 28° /19° | 4.3 mm | 6 | |
| Sept. 28 |  Moderate or heavy rain shower | 26° /18° | 22.1 mm | 6 | |
| Sept. 29 | Light rain shower | 25° /16° | 19.4 mm | 6 | |
| Sept. 30 | Partly cloudy | 27° /15° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Doña Ana County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Doña Ana County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Doña Ana County in September - FAQ
What are the expected maximum and minimum temperatures in Doña Ana County during September?
Expect warm days with temperatures around 30°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Doña Ana County during September?
Significant rainfall exceeding 118 mm is expected in Doña Ana County during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Doña Ana County during September?
The average wind speed in Doña Ana County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Doña Ana County
Explore the daily rainfall trends and prepare for Doña Ana Countys September weather 💧
Typically, Doña Ana County has 8 rainy days in September with a total of 118 mm of rainfall.
UV exposure in Doña Ana County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Doña Ana County?Get accurate weather forecasts for Doña Ana County, located at latitude 32.312 and longitude -106.778. Stay updated with localized weather information tailored for Doña Ana County.
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