Las Cruces weather in September: Las Cruces, New Mexico: normal highs, lows, rain and records for September
Las Cruces in September has a normal high of 88°F and a normal low of 61°F, a daily mean of 75°F, falling from 92°F on the 1st to 85°F by the 30th. Measurable precipitation falls on 5 days in a normal September, 1.41 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 16°C, 36 mm of precipitation in September.
- NOAA stationState University
- Station IDUSC00298535
- Location32.28°N 106.76°W
- Elevation3,886 ft (1,185 m)
- Population116,998
- Jan 59° 30°
- Feb 64° 34°
- Mar 71° 39°
- Apr 79° 46°
- May 87° 54°
- Jun 96° 64°
- Jul 96° 69°
- Aug 94° 68°
- Sep 88° 61°
- Oct 80° 48°
- Nov 68° 37°
- Dec 58° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Las Cruces in September?
The normal high is 88°F and the normal low 61°F, for a daily mean of 74.8°F. September is 5.8°F cooler than August and 10.8°F warmer than October. September is the 4th warmest month of the year in Las Cruces and the 3rd wettest. Across the month the normal high falls 7°F, from 92°F on September 1 to 85°F on September 30. From one year to the next September's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 73°F and 77°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 23%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 92°F | 66°F | 23% | 12% |
| September 8 | 90°F | 64°F | 21% | 11% |
| September 15 | 89°F | 62°F | 18% | 10% |
| September 22 | 87°F | 59°F | 16% | 8% |
| September 30 | 85°F | 56°F | 14% | 7% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 92°F | 66°F | 23% | 12% | 12 h 50 min |
| September 2 | 92°F | 65°F | 23% | 12% | 12 h 50 min |
| September 3 | 91°F | 65°F | 22% | 11% | 12 h 50 min |
| September 4 | 91°F | 65°F | 22% | 11% | 12 h 50 min |
| September 5 | 91°F | 65°F | 22% | 11% | 12 h 40 min |
| September 6 | 91°F | 64°F | 21% | 11% | 12 h 40 min |
| September 7 | 91°F | 64°F | 21% | 11% | 12 h 40 min |
| September 8 | 90°F | 64°F | 21% | 11% | 12 h 40 min |
| September 9 | 90°F | 64°F | 20% | 11% | 12 h 40 min |
| September 10 | 90°F | 63°F | 20% | 11% | 12 h 30 min |
| September 11 | 90°F | 63°F | 20% | 10% | 12 h 30 min |
| September 12 | 89°F | 63°F | 19% | 10% | 12 h 30 min |
| September 13 | 89°F | 62°F | 19% | 10% | 12 h 30 min |
| September 14 | 89°F | 62°F | 19% | 10% | 12 h 30 min |
| September 15 | 89°F | 62°F | 18% | 10% | 12 h 20 min |
| September 16 | 88°F | 61°F | 18% | 9% | 12 h 20 min |
| September 17 | 88°F | 61°F | 18% | 9% | 12 h 20 min |
| September 18 | 88°F | 61°F | 17% | 9% | 12 h 20 min |
| September 19 | 88°F | 60°F | 17% | 9% | 12 h 20 min |
| September 20 | 87°F | 60°F | 16% | 9% | 12 h 20 min |
| September 21 | 87°F | 59°F | 16% | 8% | 12 h 10 min |
| September 22 | 87°F | 59°F | 16% | 8% | 12 h 10 min |
| September 23 | 87°F | 59°F | 15% | 8% | 12 h 10 min |
| September 24 | 86°F | 58°F | 15% | 8% | 12 h 10 min |
| September 25 | 86°F | 58°F | 15% | 7% | 12 h 10 min |
| September 26 | 86°F | 57°F | 14% | 7% | 12 h |
| September 27 | 85°F | 57°F | 14% | 7% | 12 h |
| September 28 | 85°F | 56°F | 14% | 7% | 12 h |
| September 29 | 85°F | 56°F | 14% | 7% | 12 h |
| September 30 | 85°F | 56°F | 14% | 7% | 12 h |
- Normal high
- 88°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 1.41 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 12 h 50 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 28
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00298535; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Las Cruces in September?
On a given September day the chance of 0.01 inch or more is 18% on average, highest around September 1 (23%). In all, 1.41 in falls on 5 days of a normal September.
In a normal September in Las Cruces, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00298535.
What are the records for September in Las Cruces?
The warmest September temperature on this station's record (since 1892) is 103°F, on September 1, 2011; the coldest is 30°F, on September 30, 1945. The wettest September brought 7.53 in (1941).
The September mean against the 1991-2020 normal of 74.8°F: 2021 76.3°F (+1.5), 2022 76.3°F (+1.5), 2023 78.7°F (+3.9), 2024 76.9°F (+2.1), 2025 76.9°F (+2.1), 2026 79.5°F (+4.7). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.3°F | +1.5°F | 0.88 in |
| 2022 | 76.3°F | +1.5°F | 0.86 in |
| 2023 | 78.7°F | +3.9°F | 0.46 in |
| 2024 | 76.9°F | +2.1°F | 0.06 in |
| 2025 | 76.9°F | +2.1°F | 1.65 in |
| 2026 | 79.5°F | +4.7°F | 5.02 in |
Source: records: ACIS, station USC00298535; recent months: ACIS, station USC00298535. Records and recent months use complete months only.
How does September in Las Cruces compare across New Mexico?
Across the 98 places PlainClimate covers in New Mexico, September normal highs run from 67°F in Cloudcroft to 91°F in Lordsburg; Las Cruces's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Las Cruces in August94°F by day, 68°F at night
- Las Cruces in October80°F by day, 48°F at night
- Las Cruces through the yearEvery month, frost dates, records and recent years
- New Mexico in SeptemberThe statewide normal and the warmest and coolest places
- Lordsburg: New Mexico's warmest Septembernormal high 91°F