Las Cruces (NM)
September
Weather in Las Cruces, New Mexico for September 2026
Your guide to Las Cruces weather in September - trends and predictions
In general, the average temperature in Las Cruces at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.9 °F by the end of September.
Las Cruces 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 🌧️
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22
Dry days
8
Rainy days
0
Snow days
30°/19°
Temperatures
21 km/h
Avg max wind
51 %
Avg humidity
Las Cruces Weather September
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Temperatures trend during September in Las Cruces
See the weather trend as well as the moving average line
September weather in Las Cruces day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 27° /22° | 12.8 mm | 3 | |
| Sept. 2 |  Partly cloudy | 34° /20° | 0 mm | 12 | |
| Sept. 3 |  Sunny | 34° /21° | 0 mm | 12 | |
| Sept. 4 |  Overcast | 33° /19° | 0 mm | 7 | |
| Sept. 5 |  Heavy rain | 20° /16° | 50.6 mm | 2 | |
| Sept. 6 | Partly cloudy | 30° /17° | 0 mm | 12 | |
| Sept. 7 | Sunny | 33° /20° | 0 mm | 12 | |
| Sept. 8 | Sunny | 35° /20° | 0 mm | 11 | |
| Sept. 9 | Sunny | 35° /20° | 0 mm | 11 | |
| Sept. 10 | Sunny | 35° /20° | 0 mm | 11 | |
| Sept. 11 | Sunny | 33° /18° | 0 mm | 11 | |
| Sept. 12 |  Cloudy | 31° /18° | 1.5 mm | 11 | |
| Sept. 13 | Partly cloudy | 30° /20° | 0 mm | 11 | |
| Sept. 14 | Sunny | 31° /17° | 0 mm | 10 | |
| Sept. 15 | Sunny | 33° /17° | 0 mm | 10 | |
| Sept. 16 |  Thundery outbreaks possible | 26° /21° | 0 mm | 9 | |
| Sept. 17 | Overcast | 28° /19° | 0 mm | 7 | |
| Sept. 18 | Cloudy | 28° /19° | 0 mm | 7 | |
| Sept. 19 | Light rain shower | 30° /19° | 1.7 mm | 9 | |
| Sept. 20 | Partly cloudy | 31° /18° | 0 mm | 10 | |
| Sept. 21 | Overcast | 34° /22° | 0 mm | 10 | |
| Sept. 22 | Partly cloudy | 30° /20° | 0 mm | 9 | |
| Sept. 23 | Sunny | 33° /18° | 0 mm | 9 | |
| 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 Las Cruces 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 Las Cruces forecast closer to your planned date for the most up-to-date weather information.
Change Month
Las Cruces in September - FAQ
What are the expected maximum and minimum temperatures in Las Cruces 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 Las Cruces during September?
Significant rainfall exceeding 118 mm is expected in Las Cruces during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Las Cruces during September?
The average wind speed in Las Cruces during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Las Cruces
Explore the daily rainfall trends and prepare for Las Crucess September weather 💧
Typically, Las Cruces has 8 rainy days in September with a total of 118 mm of rainfall.
UV exposure in Las Cruces during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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