Oljato-Monument Valley climate

Oljato-Monument Valley Weather in September

NOAA 1991-2020 normals for Monument Valley, 12.7 km from Oljato-Monument Valley

Average highs run from 87°F on September 1 to 77°F on September 30, and lows from 63°F to 53°F.

September day by day

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

Normal daily high and low temperature at Oljato-Monument Valley, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
58°F
Record high
107°FSep 7, 2022
Record low
41°FSep 14, 2025
Chance of a freeze
0%
Days of 90°F or more
3.3
Daylight
12 h 57 min to 11 h 50 min
Cloud cover
34%
Humidity
36%
Dew point
36°F
Wind
7.4 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°F63°F104°F 201958°F 19720%
Sep 286°F63°F104°F 201950°F 19730%
Sep 386°F62°F105°F 202252°F 19730%
Sep 486°F62°F103°F 201749°F 19710%
Sep 586°F62°F105°F 201948°F 20040%
Sep 685°F62°F106°F 202247°F 20040%
Sep 785°F61°F107°F 202244°F 19810%
Sep 885°F61°F104°F 202249°F 20250%
Sep 984°F61°F104°F 202248°F 20200%
Sep 1084°F61°F104°F 202244°F 20200%
Sep 1184°F60°F100°F 201847°F 20200%
Sep 1284°F60°F101°F 197147°F 19880%
Sep 1383°F60°F99°F 197149°F 19890%
Sep 1483°F59°F98°F 201741°F 20250%
Sep 1583°F59°F98°F 197143°F 20250%
Sep 1682°F59°F98°F 197141°F 20250%
Sep 1782°F58°F98°F 200046°F 20060%
Sep 1882°F58°F98°F 200044°F 20250%
Sep 1981°F57°F96°F 201845°F 19780%
Sep 2081°F57°F97°F 201043°F 20250%
Sep 2180°F57°F96°F 201044°F 19750%
Sep 2280°F56°F94°F 202045°F 19750%
Sep 2380°F56°F94°F 198243°F 20000%
Sep 2479°F55°F94°F 201844°F 20060%
Sep 2579°F55°F95°F 202043°F 20170%
Sep 2678°F54°F95°F 202044°F 20170%
Sep 2778°F54°F96°F 202044°F 19700%
Sep 2878°F53°F97°F 202444°F 20240%
Sep 2977°F53°F97°F 202445°F 20130%
Sep 3077°F53°F95°F 202444°F 19990%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oljato-Monument Valley, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:52 AM, sunset 7:49 PM
September 30
sunrise 7:16 AM, sunset 7:06 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00025665 (Monument Valley), public domain. Records: NOAA GHCN-Daily, station USC00421020, 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.