Chappell climate

Chappell Weather in September

NOAA 1991-2020 normals for Chappell, 0.1 km from Chappell

Average highs run from 82°F on September 1 to 71°F on September 30, and lows from 53°F to 42°F. Normal precipitation for the month is 1.58 in.

September day by day

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

Normal daily high and low temperature at Chappell, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
48°F
Precipitation
1.58 in
Snowfall
0.1 in
Record high
101°FSep 7, 2013
Record low
32°FSep 12, 2014
Chance of a freeze
32%
Days of 90°F or more
4.5
Daylight
13 h 05 min to 11 h 47 min
Cloud cover
45%
Humidity
50%
Dew point
43°F
Wind
10.1 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 182°F53°F99°F 201347°F 20140%
Sep 282°F53°F99°F 201247°F 20140%
Sep 382°F52°F96°F 201544°F 20140%
Sep 481°F52°F100°F 201753°F 20140%
Sep 581°F52°F98°F 201346°F 20170%
Sep 681°F51°F96°F 201344°F 20170%
Sep 780°F51°F101°F 201345°F 20170%
Sep 880°F51°F99°F 201346°F 20170%
Sep 980°F50°F99°F 201347°F 20150%
Sep 1079°F50°F91°F 201738°F 20160%
Sep 1179°F50°F99°F 201237°F 20160%
Sep 1279°F49°F97°F 201832°F 20140%
Sep 1378°F49°F96°F 201732°F 20140%
Sep 1478°F49°F96°F 201732°F 20140%
Sep 1577°F48°F95°F 201537°F 20140%
Sep 1677°F48°F94°F 201837°F 20140%
Sep 1777°F47°F96°F 201843°F 20120%
Sep 1876°F47°F95°F 201844°F 20120%
Sep 1976°F47°F89°F 201339°F 20150%
Sep 2075°F46°F94°F 201740°F 20150%
Sep 2175°F46°F88°F 201640°F 20150%
Sep 2275°F45°F89°F 201342°F 20120%
Sep 2374°F45°F87°F 201842°F 20120%
Sep 2474°F45°F91°F 201842°F 20120%
Sep 2573°F44°F84°F 201441°F 20160%
Sep 2673°F44°F88°F 201436°F 20170%
Sep 2772°F43°F87°F 201434°F 20170%
Sep 2872°F43°F88°F 201536°F 20130%
Sep 2971°F42°F80°F 201635°F 20130%
Sep 3071°F42°F89°F 201941°F 20180%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chappell, in percent, and of at least 0.1 inch of snowfall.00.10.10.20.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:17 AM, sunset 7:22 PM
September 30
sunrise 6:46 AM, sunset 6:33 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00251602 (Chappell), public domain. Records: NOAA GHCN-Daily, station USC00251190, 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.