Cimarron County climate

Cimarron County Weather in September

NOAA 1991-2020 normals for Boise City 2 E, 4.3 km from Cimarron County

Average highs run from 88°F on September 1 to 80°F on September 30, and lows from 59°F to 48°F. Normal precipitation for the month is 1.75 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 Cimarron County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
85°F
Average low
54°F
Precipitation
1.75 in
Record high
104°FSep 11, 2021
Record low
27°FSep 25, 2000
Chance of a freeze
3%
Days of 90°F or more
8.5
Daylight
12 h 57 min to 11 h 50 min
Cloud cover
39%
Humidity
51%
Dew point
48°F
Wind
11.6 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 188°F59°F101°F 201150°F 200316%0%
Sep 288°F59°F98°F 201249°F 200616%0%
Sep 388°F59°F100°F 202643°F 201016%0%
Sep 488°F58°F102°F 202642°F 200815%0%
Sep 588°F58°F99°F 200045°F 201115%0%
Sep 687°F58°F102°F 202047°F 201715%0%
Sep 787°F57°F100°F 202643°F 200115%0%
Sep 887°F57°F98°F 202633°F 202015%0%
Sep 987°F57°F99°F 202132°F 202014%0%
Sep 1086°F56°F100°F 202137°F 202014%0%
Sep 1186°F56°F104°F 202138°F 202014%0%
Sep 1286°F56°F96°F 200437°F 201414%0%
Sep 1386°F55°F98°F 202139°F 201214%0%
Sep 1485°F55°F98°F 202637°F 201214%0%
Sep 1585°F54°F97°F 202439°F 201214%0%
Sep 1685°F54°F98°F 200737°F 201213%0%
Sep 1784°F54°F97°F 200036°F 200613%0%
Sep 1884°F53°F96°F 202240°F 200313%0%
Sep 1984°F53°F96°F 202136°F 200313%0%
Sep 2084°F52°F98°F 202241°F 201713%0%
Sep 2183°F52°F97°F 200540°F 199913%0%
Sep 2283°F51°F92°F 201736°F 200913%0%
Sep 2382°F51°F93°F 200337°F 201213%0%
Sep 2482°F50°F93°F 200529°F 200012%0%
Sep 2582°F50°F98°F 202027°F 200012%0%
Sep 2681°F49°F99°F 202035°F 201612%0%
Sep 2781°F49°F97°F 200537°F 201812%0%
Sep 2881°F49°F94°F 201135°F 200612%0%
Sep 2980°F48°F93°F 201028°F 199912%0%
Sep 3080°F48°F91°F 200940°F 200312%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cimarron 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 (CDT).

September 1
sunrise 7:21 AM, sunset 8:18 PM
September 30
sunrise 7:45 AM, sunset 7:35 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00340908 (Boise City 2 E), public domain. Records: NOAA GHCN-Daily, station USW00003028, 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.