Montezuma County climate

Montezuma County Weather in September

NOAA 1991-2020 normals for Cortez, 0.7 km from Montezuma County

Average highs run from 85°F on September 1 to 74°F on September 30, and lows from 52°F to 42°F. Normal precipitation for the month is 1.48 in over about 7 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 Montezuma County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
48°F
Precipitation
1.48 in
Record high
98°FSep 5, 2022
Record low
23°FSep 29, 1999
Chance of a freeze
22%
Days of 90°F or more
1.9
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
38%
Humidity
43%
Dew point
36°F
Wind
6.3 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 185°F52°F95°F 201937°F 200526%0%
Sep 285°F52°F96°F 202240°F 201026%0%
Sep 384°F52°F96°F 201942°F 201026%0%
Sep 484°F52°F95°F 201936°F 200825%0%
Sep 584°F51°F98°F 202234°F 200425%0%
Sep 684°F51°F97°F 202036°F 200425%0%
Sep 783°F51°F93°F 202136°F 201025%0%
Sep 883°F50°F93°F 202236°F 199625%0%
Sep 983°F50°F93°F 202131°F 200125%0%
Sep 1082°F50°F92°F 202132°F 200125%0%
Sep 1182°F49°F90°F 201532°F 201025%0%
Sep 1282°F49°F90°F 201735°F 201024%0%
Sep 1381°F49°F89°F 200034°F 201924%0%
Sep 1481°F48°F91°F 200032°F 200324%0%
Sep 1581°F48°F90°F 201831°F 200524%0%
Sep 1680°F48°F92°F 200033°F 201624%0%
Sep 1780°F47°F90°F 200027°F 200623%0%
Sep 1879°F47°F89°F 201027°F 200623%0%
Sep 1979°F46°F90°F 201027°F 200623%0%
Sep 2079°F46°F89°F 201434°F 200623%0%
Sep 2178°F46°F85°F 200032°F 201922%0%
Sep 2278°F45°F85°F 201228°F 200922%0%
Sep 2377°F45°F86°F 201228°F 200622%0%
Sep 2477°F44°F86°F 201526°F 200621%0%
Sep 2577°F44°F85°F 200125°F 200021%0%
Sep 2676°F44°F87°F 200328°F 200021%0%
Sep 2776°F43°F88°F 202430°F 201821%0%
Sep 2875°F43°F88°F 202427°F 199920%0%
Sep 2975°F42°F87°F 201523°F 199920%0%
Sep 3074°F42°F89°F 202424°F 199920%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Montezuma County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:45 AM, sunset 7:43 PM
September 30
sunrise 7:09 AM, sunset 6:59 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00051886 (Cortez), public domain. Records: NOAA GHCN-Daily, station USW00093069, 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.