Farmington weather in September: Farmington, New Mexico: normal highs, lows, rain and records for September
Farmington in September has a normal high of 82°F and a normal low of 51°F, a daily mean of 66°F, falling from 87°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 5 days in a normal September, 1.06 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 10°C, 27 mm of precipitation in September.
- NOAA stationFarmington Regional Airport
- Station IDUSW00023090
- Location36.74°N 108.23°W
- Elevation5,495 ft (1,675 m)
- From the center3 miles
- Population46,262
- Jan 43° 19°
- Feb 50° 24°
- Mar 60° 30°
- Apr 67° 35°
- May 77° 44°
- Jun 89° 53°
- Jul 93° 61°
- Aug 90° 60°
- Sep 82° 51°
- Oct 69° 38°
- Nov 55° 27°
- Dec 43° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Farmington in September?
The normal high is 82°F and the normal low 51°F, for a daily mean of 66.3°F. September is 8.3°F cooler than August and 13.0°F warmer than October. September is the 4th warmest month of the year in Farmington and the wettest. Across the month the normal high falls 11°F, from 87°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 64°F and 68°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 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 56°F | 18% | 7% |
| September 8 | 85°F | 54°F | 18% | 7% |
| September 15 | 83°F | 51°F | 18% | 7% |
| September 22 | 80°F | 48°F | 18% | 7% |
| September 30 | 76°F | 45°F | 19% | 8% |
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 | 87°F | 56°F | 18% | 7% | 13 h |
| September 2 | 87°F | 55°F | 18% | 7% | 13 h |
| September 3 | 86°F | 55°F | 18% | 7% | 13 h |
| September 4 | 86°F | 55°F | 18% | 7% | 12 h 50 min |
| September 5 | 86°F | 55°F | 18% | 7% | 12 h 50 min |
| September 6 | 86°F | 54°F | 18% | 7% | 12 h 50 min |
| September 7 | 85°F | 54°F | 18% | 7% | 12 h 50 min |
| September 8 | 85°F | 54°F | 18% | 7% | 12 h 40 min |
| September 9 | 85°F | 53°F | 18% | 7% | 12 h 40 min |
| September 10 | 84°F | 53°F | 18% | 7% | 12 h 40 min |
| September 11 | 84°F | 52°F | 18% | 7% | 12 h 40 min |
| September 12 | 84°F | 52°F | 18% | 7% | 12 h 40 min |
| September 13 | 83°F | 52°F | 18% | 7% | 12 h 30 min |
| September 14 | 83°F | 51°F | 18% | 7% | 12 h 30 min |
| September 15 | 83°F | 51°F | 18% | 7% | 12 h 30 min |
| September 16 | 82°F | 51°F | 18% | 7% | 12 h 30 min |
| September 17 | 82°F | 50°F | 18% | 7% | 12 h 20 min |
| September 18 | 82°F | 50°F | 18% | 7% | 12 h 20 min |
| September 19 | 81°F | 49°F | 18% | 7% | 12 h 20 min |
| September 20 | 81°F | 49°F | 18% | 7% | 12 h 20 min |
| September 21 | 80°F | 49°F | 18% | 7% | 12 h 10 min |
| September 22 | 80°F | 48°F | 18% | 7% | 12 h 10 min |
| September 23 | 79°F | 48°F | 18% | 7% | 12 h 10 min |
| September 24 | 79°F | 47°F | 18% | 7% | 12 h 10 min |
| September 25 | 79°F | 47°F | 18% | 7% | 12 h 10 min |
| September 26 | 78°F | 46°F | 18% | 7% | 12 h |
| September 27 | 78°F | 46°F | 18% | 7% | 12 h |
| September 28 | 77°F | 45°F | 18% | 8% | 12 h |
| September 29 | 77°F | 45°F | 19% | 8% | 12 h |
| September 30 | 76°F | 45°F | 19% | 8% | 11 h 50 min |
- Normal high
- 82°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 1.06 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 22
- Sunshine
- 89%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023090; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Farmington in September?
On a given September day the chance of 0.01 inch or more is 18% on average, highest around September 29 (19%). In all, 1.06 in falls on 5 days of a normal September.
In a normal September in Farmington, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023090.
How humid and windy is Farmington in September?
At 3 p.m. the normal temperature is 75°F with 20% relative humidity and a dew point of 31°F; at 6 a.m. it is 47°F with 62% humidity. The wind averages 7.6 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 47°F | 34°F | 62% | 6.9 mph | 84% |
| 9 a.m. | 58°F | 37°F | 45% | 7.5 mph | 88% |
| noon | 71°F | 35°F | 26% | 7.9 mph | 87% |
| 3 p.m. | 75°F | 31°F | 20% | 10.8 mph | 86% |
| 6 p.m. | 69°F | 31°F | 24% | 9.0 mph | 85% |
| 9 p.m. | 59°F | 32°F | 35% | 6.1 mph | 85% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023090. 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 Farmington?
The warmest September temperature on this station's record (since 1941) is 99°F, on September 6, 1952; the coldest is 27°F, on September 25, 2017. The wettest September brought 3.30 in (2026).
The September mean against the 1991-2020 normal of 66.3°F: 2021 67.9°F (+1.6), 2022 71.3°F (+5.0), 2023 68.0°F (+1.7), 2024 69.4°F (+3.1), 2025 66.9°F (+0.6), 2026 68.8°F (+2.5). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.9°F | +1.6°F | 1.45 in |
| 2022 | 71.3°F | +5.0°F | 1.22 in |
| 2023 | 68.0°F | +1.7°F | 0.27 in |
| 2024 | 69.4°F | +3.1°F | 0.26 in |
| 2025 | 66.9°F | +0.6°F | 0.60 in |
| 2026 | 68.8°F | +2.5°F | 3.30 in |
Source: records: ACIS, station USW00023090; recent months: ACIS, station USW00023090. Records and recent months use complete months only.
How does September in Farmington 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; Farmington's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Farmington in August90°F by day, 60°F at night
- Farmington in October69°F by day, 38°F at night
- Farmington 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