Dawes County climate

Dawes County Weather in September

NOAA 1991-2020 normals for Chadron 3SW, 11.9 km from Dawes County

Average highs run from 85°F on September 1 to 72°F on September 30, and lows from 51°F to 40°F. Normal precipitation for the month is 1.50 in over about 6 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 Dawes County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
46°F
Precipitation
1.50 in
Record high
106°FSep 5, 2020
Record low
27°FSep 25, 2000
Chance of a freeze
58%
Days of 90°F or more
6.3
Daylight
13 h 10 min to 11 h 46 min
Cloud cover
46%
Humidity
51%
Dew point
42°F
Wind
10.7 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°F51°F102°F 201236°F 200520%0%
Sep 285°F51°F101°F 202335°F 200620%0%
Sep 384°F50°F101°F 202435°F 201020%0%
Sep 484°F50°F101°F 200139°F 201020%0%
Sep 584°F50°F106°F 202035°F 202520%0%
Sep 683°F49°F102°F 202230°F 202520%0%
Sep 783°F49°F102°F 202234°F 201020%0%
Sep 883°F49°F97°F 200533°F 202020%0%
Sep 982°F48°F99°F 202134°F 200120%0%
Sep 1082°F48°F104°F 202130°F 202020%0%
Sep 1181°F48°F99°F 202135°F 202220%0%
Sep 1281°F47°F98°F 201836°F 202220%0%
Sep 1381°F47°F95°F 201536°F 200720%0%
Sep 1480°F46°F97°F 201527°F 200720%0%
Sep 1580°F46°F97°F 201837°F 200820%0%
Sep 1679°F46°F97°F 200036°F 201021%1%
Sep 1779°F45°F100°F 200033°F 200621%1%
Sep 1878°F45°F98°F 202132°F 200621%1%
Sep 1978°F45°F95°F 202227°F 200621%1%
Sep 2077°F44°F96°F 201032°F 201321%1%
Sep 2177°F44°F94°F 201332°F 201121%1%
Sep 2276°F43°F95°F 200728°F 201121%1%
Sep 2376°F43°F95°F 201832°F 200021%1%
Sep 2475°F42°F94°F 202029°F 200021%1%
Sep 2575°F42°F93°F 202427°F 200021%1%
Sep 2674°F42°F99°F 202431°F 201820%1%
Sep 2774°F41°F96°F 202131°F 200620%1%
Sep 2873°F41°F97°F 202427°F 200620%2%
Sep 2972°F40°F98°F 202432°F 200820%2%
Sep 3072°F40°F89°F 200530°F 201120%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dawes County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:17 AM, sunset 7:27 PM
September 30
sunrise 6:49 AM, sunset 6:35 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00251575 (Chadron 3SW), public domain. Records: NOAA GHCN-Daily, station USW00024017, 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.