Marion County climate

Marion County Weather in September

NOAA 1991-2020 normals for Marion, 9.8 km from Marion County

Average highs run from 87°F on September 1 to 81°F on September 30, and lows from 68°F to 58°F. Normal precipitation for the month is 5.97 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 Marion County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
84°F
Average low
64°F
Precipitation
5.97 in
Record high
102°FSep 9, 1939
Record low
39°FSep 22, 2020
Chance of a freeze
0%
Days of 90°F or more
6.3
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
52%
Humidity
79%
Dew point
66°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 187°F68°F97°F 193251°F 19340%
Sep 287°F68°F99°F 193249°F 19670%
Sep 387°F68°F98°F 195751°F 19670%
Sep 487°F67°F99°F 194453°F 20200%
Sep 586°F67°F99°F 198353°F 20200%
Sep 686°F67°F101°F 195450°F 19500%
Sep 786°F67°F100°F 198352°F 19880%
Sep 886°F66°F99°F 194150°F 19720%
Sep 986°F66°F102°F 193948°F 19320%
Sep 1086°F66°F100°F 193944°F 19560%
Sep 1185°F66°F99°F 198345°F 19560%
Sep 1285°F65°F99°F 198352°F 19560%
Sep 1385°F65°F94°F 197851°F 19670%
Sep 1485°F65°F97°F 193045°F 19850%
Sep 1585°F64°F99°F 198047°F 19670%
Sep 1684°F64°F96°F 198049°F 20150%
Sep 1784°F64°F97°F 197248°F 19840%
Sep 1884°F63°F98°F 194248°F 19760%
Sep 1984°F63°F95°F 195448°F 19760%
Sep 2083°F63°F96°F 194245°F 19840%
Sep 2183°F62°F95°F 198745°F 19620%
Sep 2283°F62°F95°F 194039°F 20200%
Sep 2383°F61°F97°F 198039°F 20200%
Sep 2482°F61°F96°F 194141°F 19670%
Sep 2582°F61°F95°F 198640°F 19500%
Sep 2682°F60°F95°F 197840°F 19500%
Sep 2782°F60°F96°F 198645°F 19280%
Sep 2881°F59°F96°F 198645°F 19620%
Sep 2981°F59°F94°F 193445°F 19420%
Sep 3081°F58°F94°F 194139°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marion 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 (EDT).

September 1
sunrise 6:51 AM, sunset 7:43 PM
September 30
sunrise 7:11 AM, sunset 7:03 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00385509 (Marion), public domain. Records: NOAA GHCN-Daily, station USC00385509, 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.