Powell County climate

Powell County Weather in September

NOAA 1991-2020 normals for Ovando 9 Sse, 9.6 km from Powell County

Average highs run from 75°F on September 1 to 63°F on September 30, and lows from 37°F to 28°F. Normal precipitation for the month is 1.03 in over about 4 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 Powell County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
69°F
Average low
33°F
Precipitation
1.03 in
Snowfall
0.1 in
Record high
97°FSep 4, 1924
Record low
11°FSep 25, 1926
Chance of a freeze
100%
Days of 90°F or more
0.5
Daylight
13 h 19 min to 11 h 44 min
Cloud cover
55%
Humidity
59%
Dew point
35°F
Wind
4.5 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 175°F37°F93°F 199829°F 200616%0%
Sep 275°F36°F93°F 192331°F 200816%0%
Sep 374°F36°F96°F 202230°F 200016%0%
Sep 474°F36°F97°F 192433°F 191216%0%
Sep 574°F36°F93°F 199831°F 199416%0%
Sep 673°F35°F90°F 202230°F 190116%0%
Sep 773°F35°F91°F 202224°F 199216%0%
Sep 873°F35°F93°F 192330°F 202216%0%
Sep 972°F35°F88°F 202130°F 191016%0%
Sep 1072°F34°F87°F 191727°F 192116%0%
Sep 1171°F34°F87°F 191925°F 198915%0%
Sep 1271°F34°F85°F 192326°F 190615%0%
Sep 1371°F34°F87°F 192328°F 190415%0%
Sep 1470°F33°F87°F 192322°F 191615%0%
Sep 1570°F33°F92°F 200027°F 191215%0%
Sep 1670°F33°F92°F 200027°F 190315%0%
Sep 1769°F32°F85°F 199827°F 190215%0%
Sep 1869°F32°F85°F 198424°F 200315%1%
Sep 1968°F32°F88°F 200923°F 192415%1%
Sep 2068°F32°F89°F 190513°F 198315%1%
Sep 2167°F31°F86°F 191818°F 199515%1%
Sep 2267°F31°F85°F 199220°F 200015%1%
Sep 2367°F31°F86°F 190518°F 192615%1%
Sep 2466°F30°F87°F 200121°F 198415%1%
Sep 2566°F30°F86°F 199411°F 192615%1%
Sep 2665°F30°F84°F 199420°F 190815%1%
Sep 2765°F29°F83°F 201024°F 198415%1%
Sep 2864°F29°F84°F 201019°F 198515%1%
Sep 2964°F29°F84°F 192412°F 198515%1%
Sep 3063°F28°F86°F 199218°F 198515%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Powell County, 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 6:52 AM, sunset 8:11 PM
September 30
sunrise 7:29 AM, sunset 7:13 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00246304 (Ovando 9 Sse), public domain. Records: NOAA GHCN-Daily, station USC00240199, 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.