Farmington climate

Farmington Weather in September

NOAA 1991-2020 normals for Farmington Rgnl AP, 2 km from Farmington

Average highs run from 87°F on September 1 to 76°F on September 30, and lows from 56°F to 45°F. Normal precipitation for the month is 1.06 in over about 5 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Farmington, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
51°F
Precipitation
1.06 in
Record high
99°FSep 6, 1952
Record low
27°FSep 25, 2017
Chance of a freeze
13%
Days of 90°F or more
4.1
Daylight
12 h 57 min to 11 h 51 min
Cloud cover
36%
Humidity
43%
Dew point
39°F
Wind
7.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 187°F56°F97°F 201945°F 195218%0%
Sep 287°F55°F97°F 202243°F 195618%0%
Sep 386°F55°F97°F 201942°F 196118%0%
Sep 486°F55°F97°F 195237°F 196118%0%
Sep 586°F55°F98°F 202043°F 196818%0%
Sep 686°F54°F99°F 195243°F 194818%0%
Sep 785°F54°F96°F 195242°F 194818%0%
Sep 885°F54°F95°F 202141°F 200118%0%
Sep 985°F53°F96°F 202135°F 200118%0%
Sep 1084°F53°F94°F 202138°F 196218%0%
Sep 1184°F52°F91°F 195641°F 194818%0%
Sep 1284°F52°F91°F 200139°F 194818%0%
Sep 1383°F52°F91°F 200035°F 195218%0%
Sep 1483°F51°F94°F 200039°F 196718%0%
Sep 1583°F51°F91°F 200040°F 195018%0%
Sep 1682°F51°F93°F 200038°F 201618%0%
Sep 1782°F50°F92°F 200036°F 196818%0%
Sep 1882°F50°F93°F 196231°F 200618%0%
Sep 1981°F49°F93°F 195635°F 194918%0%
Sep 2081°F49°F91°F 200539°F 196118%0%
Sep 2180°F49°F88°F 194934°F 196518%0%
Sep 2280°F48°F89°F 196633°F 200918%0%
Sep 2379°F48°F88°F 196631°F 200618%0%
Sep 2479°F47°F88°F 199832°F 201718%0%
Sep 2579°F47°F89°F 202427°F 201718%0%
Sep 2678°F46°F90°F 202433°F 201718%0%
Sep 2778°F46°F90°F 202438°F 201318%0%
Sep 2877°F45°F90°F 201030°F 201318%0%
Sep 2977°F45°F90°F 202430°F 199919%0%
Sep 3076°F45°F91°F 201031°F 199919%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Farmington, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:44 AM, sunset 7:41 PM
September 30
sunrise 7:07 AM, sunset 6:58 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023090 (Farmington Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00023090, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.