Powell climate

Powell Weather in September

NOAA 1991-2020 normals for Powell Fld Stn, 2.5 km from Powell

Average highs run from 79°F on September 1 to 66°F on September 30, and lows from 45°F to 36°F. Normal precipitation for the month is 0.76 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 Powell, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
41°F
Precipitation
0.76 in
Record high
102°FSep 30, 2024
Record low
16°FSep 25, 1984
Chance of a freeze
87%
Days of 90°F or more
1.5
Daylight
13 h 14 min to 11 h 45 min
Cloud cover
51%
Humidity
48%
Dew point
36°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 179°F45°F97°F 202436°F 202016%0%
Sep 279°F45°F97°F 202435°F 200616%0%
Sep 379°F45°F98°F 202536°F 200616%0%
Sep 478°F44°F97°F 202435°F 201116%0%
Sep 578°F44°F97°F 202435°F 201416%0%
Sep 677°F44°F98°F 202236°F 198316%0%
Sep 777°F44°F98°F 202232°F 199216%0%
Sep 877°F43°F98°F 202232°F 200816%0%
Sep 976°F43°F98°F 202224°F 202017%0%
Sep 1076°F43°F93°F 202428°F 202017%
Sep 1175°F42°F94°F 202428°F 198917%
Sep 1275°F42°F89°F 199322°F 201417%
Sep 1374°F42°F92°F 199028°F 201417%
Sep 1474°F41°F89°F 201525°F 198217%
Sep 1574°F41°F88°F 202029°F 202317%
Sep 1673°F41°F92°F 200032°F 198217%
Sep 1773°F40°F91°F 200031°F 202117%
Sep 1872°F40°F87°F 198425°F 200317%
Sep 1972°F40°F88°F 198128°F 198317%
Sep 2071°F40°F88°F 200920°F 198317%
Sep 2171°F39°F89°F 202422°F 198317%
Sep 2270°F39°F87°F 202525°F 198317%
Sep 2370°F38°F84°F 202424°F 200017%
Sep 2469°F38°F89°F 198721°F 198417%
Sep 2569°F38°F90°F 202416°F 198417%
Sep 2668°F37°F99°F 202419°F 198417%
Sep 2768°F37°F98°F 202421°F 202317%
Sep 2867°F37°F93°F 202418°F 198417%
Sep 2966°F36°F95°F 202420°F 198417%
Sep 3066°F36°F102°F 202416°F 198517%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Powell, 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 6:38 AM, sunset 7:52 PM
September 30
sunrise 7:12 AM, sunset 6:57 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00487388 (Powell Fld Stn), public domain. Records: NOAA GHCN-Daily, station USC00487388, 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.