Adair County climate

Adair County Weather in September

NOAA 1991-2020 normals for Kirksville, 2.8 km from Adair County

Average highs run from 82°F on September 1 to 72°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 4.18 in over about 8 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 Adair County, 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
54°F
Precipitation
4.18 in
Record high
100°FSep 9, 2013
Record low
29°FSep 28, 1951
Chance of a freeze
6%
Days of 90°F or more
2.3
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
46%
Humidity
70%
Dew point
55°F
Wind
7.8 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°F60°F99°F 195339°F 194928%0%
Sep 281°F59°F98°F 202646°F 194928%0%
Sep 381°F59°F97°F 196041°F 195227%0%
Sep 481°F59°F96°F 202645°F 202527%0%
Sep 581°F58°F98°F 202643°F 202527%0%
Sep 680°F58°F96°F 196042°F 201127%0%
Sep 780°F57°F98°F 201339°F 195627%0%
Sep 880°F57°F97°F 201340°F 202428%0%
Sep 979°F57°F100°F 201339°F 200828%0%
Sep 1079°F56°F97°F 201342°F 196928%0%
Sep 1179°F56°F97°F 201341°F 195928%0%
Sep 1278°F56°F91°F 196239°F 200728%0%
Sep 1378°F55°F96°F 202535°F 195328%0%
Sep 1478°F55°F93°F 202539°F 201428%0%
Sep 1577°F55°F92°F 195534°F 200728%0%
Sep 1677°F54°F94°F 201940°F 195128%0%
Sep 1777°F54°F96°F 195342°F 199928%0%
Sep 1876°F53°F94°F 195340°F 201228%0%
Sep 1976°F53°F94°F 194840°F 195228%0%
Sep 2076°F53°F96°F 202236°F 196228%0%
Sep 2175°F52°F93°F 201737°F 199928%0%
Sep 2275°F52°F93°F 201735°F 201228%0%
Sep 2375°F52°F93°F 201732°F 201228%0%
Sep 2474°F51°F91°F 201733°F 196528%0%
Sep 2574°F51°F90°F 201737°F 195028%0%
Sep 2673°F50°F91°F 195337°F 200128%0%
Sep 2773°F50°F89°F 195637°F 195128%0%
Sep 2873°F50°F99°F 195329°F 195128%0%
Sep 2972°F49°F94°F 195331°F 196728%0%
Sep 3072°F49°F91°F 202332°F 197228%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Adair County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:38 AM, sunset 7:42 PM
September 30
sunrise 7:06 AM, sunset 6:54 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00234544 (Kirksville), public domain. Records: NOAA GHCN-Daily, station USW00014938, 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.