Macon County climate

Macon County Weather in September

NOAA 1991-2020 normals for Lafayette, 2.5 km from Macon County

Average highs run from 86°F on September 1 to 77°F on September 30, and lows from 65°F to 55°F.

September day by day

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

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

September at a glance

Average high
82°F
Average low
60°F
Record high
101°FSep 4, 2026
Record low
33°FSep 26, 2001
Chance of a freeze
0%
Days of 90°F or more
4.6
Daylight
12 h 57 min to 11 h 50 min
Cloud cover
50%
Humidity
69%
Dew point
59°F
Wind
6.0 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 186°F65°F95°F 201154°F 19990%
Sep 286°F65°F98°F 202655°F 20090%
Sep 386°F64°F98°F 201148°F 20170%
Sep 485°F64°F101°F 202649°F 20170%
Sep 585°F64°F96°F 200746°F 19970%
Sep 685°F64°F100°F 202646°F 19970%
Sep 785°F63°F97°F 199945°F 20170%
Sep 884°F63°F95°F 200245°F 20170%
Sep 984°F63°F97°F 199947°F 20170%
Sep 1084°F62°F96°F 200245°F 19980%
Sep 1183°F62°F97°F 201945°F 19980%
Sep 1283°F62°F93°F 201948°F 19980%
Sep 1383°F61°F93°F 201942°F 20150%
Sep 1482°F61°F94°F 201945°F 20150%
Sep 1582°F61°F95°F 199845°F 20150%
Sep 1682°F60°F93°F 201644°F 20000%
Sep 1781°F60°F95°F 201945°F 19990%
Sep 1881°F60°F92°F 199843°F 19990%
Sep 1981°F59°F93°F 199844°F 19990%
Sep 2080°F59°F94°F 199745°F 20060%
Sep 2180°F58°F94°F 201842°F 20060%
Sep 2280°F58°F97°F 202243°F 20060%
Sep 2379°F58°F91°F 201038°F 19990%
Sep 2479°F57°F93°F 200739°F 19990%
Sep 2579°F57°F92°F 200742°F 20010%
Sep 2678°F56°F94°F 200733°F 20010%
Sep 2778°F56°F92°F 199833°F 20010%
Sep 2878°F55°F95°F 199833°F 20010%
Sep 2977°F55°F92°F 199837°F 20030%
Sep 3077°F55°F95°F 201937°F 20030%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Macon County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:15 AM, sunset 7:12 PM
September 30
sunrise 6:39 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00404987 (Lafayette), public domain. Records: NOAA GHCN-Daily, station USC00400669, 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.