Carlsbad weather in September: Carlsbad, New Mexico: normal highs, lows, rain and records for September
Carlsbad in September has a normal high of 87°F and a normal low of 61°F, a daily mean of 74°F, falling from 91°F on the 1st to 83°F by the 30th. Measurable precipitation falls on 6 days in a normal September, 2.58 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 16°C, 66 mm of precipitation in September.
- NOAA stationCarlsbad Cavern City Airport
- Station IDUSW00093033
- Location32.33°N 104.26°W
- Elevation3,232 ft (985 m)
- Population31,999
- Jan 58° 30°
- Feb 63° 34°
- Mar 71° 40°
- Apr 80° 48°
- May 88° 57°
- Jun 96° 66°
- Jul 95° 69°
- Aug 94° 68°
- Sep 87° 61°
- Oct 78° 49°
- Nov 66° 37°
- Dec 57° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Carlsbad in September?
The normal high is 87°F and the normal low 61°F, for a daily mean of 73.9°F. September is 7.1°F cooler than August and 10.6°F warmer than October. September is the 4th warmest month of the year in Carlsbad and the wettest. Across the month the normal high falls 8°F, from 91°F on September 1 to 83°F on September 30. From one year to the next September's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 71°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 20%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 91°F | 65°F | 20% | 11% |
| September 8 | 89°F | 64°F | 19% | 11% |
| September 15 | 87°F | 61°F | 19% | 11% |
| September 22 | 85°F | 59°F | 17% | 10% |
| September 30 | 83°F | 56°F | 16% | 9% |
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 | 91°F | 65°F | 20% | 11% | 12 h 50 min |
| September 2 | 91°F | 65°F | 20% | 11% | 12 h 50 min |
| September 3 | 91°F | 65°F | 20% | 11% | 12 h 50 min |
| September 4 | 90°F | 65°F | 20% | 11% | 12 h 50 min |
| September 5 | 90°F | 64°F | 20% | 11% | 12 h 40 min |
| September 6 | 90°F | 64°F | 19% | 11% | 12 h 40 min |
| September 7 | 89°F | 64°F | 19% | 11% | 12 h 40 min |
| September 8 | 89°F | 64°F | 19% | 11% | 12 h 40 min |
| September 9 | 89°F | 63°F | 19% | 11% | 12 h 40 min |
| September 10 | 88°F | 63°F | 19% | 11% | 12 h 30 min |
| September 11 | 88°F | 63°F | 19% | 11% | 12 h 30 min |
| September 12 | 88°F | 62°F | 19% | 11% | 12 h 30 min |
| September 13 | 88°F | 62°F | 19% | 11% | 12 h 30 min |
| September 14 | 87°F | 62°F | 19% | 11% | 12 h 30 min |
| September 15 | 87°F | 61°F | 19% | 11% | 12 h 20 min |
| September 16 | 87°F | 61°F | 18% | 11% | 12 h 20 min |
| September 17 | 86°F | 61°F | 18% | 11% | 12 h 20 min |
| September 18 | 86°F | 60°F | 18% | 10% | 12 h 20 min |
| September 19 | 86°F | 60°F | 18% | 10% | 12 h 20 min |
| September 20 | 85°F | 60°F | 18% | 10% | 12 h 20 min |
| September 21 | 85°F | 59°F | 17% | 10% | 12 h 10 min |
| September 22 | 85°F | 59°F | 17% | 10% | 12 h 10 min |
| September 23 | 85°F | 59°F | 17% | 10% | 12 h 10 min |
| September 24 | 84°F | 58°F | 17% | 10% | 12 h 10 min |
| September 25 | 84°F | 58°F | 17% | 10% | 12 h 10 min |
| September 26 | 84°F | 57°F | 17% | 10% | 12 h |
| September 27 | 83°F | 57°F | 17% | 10% | 12 h |
| September 28 | 83°F | 57°F | 16% | 10% | 12 h |
| September 29 | 83°F | 56°F | 16% | 9% | 12 h |
| September 30 | 83°F | 56°F | 16% | 9% | 12 h |
- Normal high
- 87°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 2.58 inmonth total
- Days with precipitation
- 60.01 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
- 29
- Days at 80°F or more
- 26
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093033; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Carlsbad in September?
On a given September day the chance of 0.01 inch or more is 18% on average, highest around September 1 (20%). In all, 2.58 in falls on 6 days of a normal September, 1 of them with an inch or more.
In a normal September in Carlsbad, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093033.
How humid and windy is Carlsbad in September?
At 3 p.m. the normal temperature is 83°F with 27% relative humidity and a dew point of 46°F; at 6 a.m. it is 58°F with 70% humidity. The wind averages 7.8 mph, most often from the south-southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 58°F | 48°F | 70% | 5.9 mph | 75% |
| 9 a.m. | 70°F | 50°F | 49% | 7.9 mph | 74% |
| noon | 80°F | 49°F | 34% | 8.9 mph | 80% |
| 3 p.m. | 83°F | 46°F | 27% | 10.0 mph | 76% |
| 6 p.m. | 76°F | 47°F | 36% | 8.1 mph | 82% |
| 9 p.m. | 68°F | 48°F | 49% | 8.2 mph | 82% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093033. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Carlsbad?
The warmest September temperature on this station's record (since 1930) is 106°F, on September 12, 2026; the coldest is 40°F, on September 20, 1971. The wettest September brought 9.23 in (1974).
The September mean against the 1991-2020 normal of 73.9°F: 2021 76.0°F (+2.0), 2022 75.5°F (+1.6), 2023 79.6°F (+5.7), 2024 75.5°F (+1.6), 2025 76.9°F (+3.0), 2026 82.2°F (+8.3). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.0°F | +2.0°F | 1.17 in |
| 2022 | 75.5°F | +1.6°F | 0.39 in |
| 2023 | 79.6°F | +5.7°F | 0.68 in |
| 2024 | 75.5°F | +1.6°F | 0.99 in |
| 2025 | 76.9°F | +3.0°F | 0.58 in |
| 2026 | 82.2°F | +8.3°F | 2.44 in |
Source: records: ACIS, station USW00093033; recent months: ACIS, station USW00093033. Records and recent months use complete months only.
How does September in Carlsbad 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; Carlsbad's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.