Marion climate

Marion Weather in September

NOAA 1991-2020 normals for Princeton 1 Se, 29.9 km from Marion

Average highs run from 87°F on September 1 to 79°F on September 30, and lows from 63°F to 53°F. Normal precipitation for the month is 3.28 in over about 7 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 Marion, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
59°F
Precipitation
3.28 in
Record high
102°FSep 5, 2026
Record low
31°FSep 20, 2003
Chance of a freeze
0%
Days of 90°F or more
6.5
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
47%
Humidity
67%
Dew point
58°F
Wind
7.4 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°F63°F96°F 200851°F 201222%0%
Sep 287°F63°F99°F 201151°F 201222%0%
Sep 387°F63°F100°F 201159°F 200622%0%
Sep 486°F63°F99°F 201157°F 201022%0%
Sep 586°F62°F102°F 202656°F 201022%0%
Sep 686°F62°F102°F 202653°F 201722%0%
Sep 786°F62°F98°F 200245°F 201022%0%
Sep 885°F61°F95°F 200251°F 202421%0%
Sep 985°F61°F96°F 200250°F 202421%0%
Sep 1085°F61°F99°F 200255°F 202421%0%
Sep 1185°F60°F101°F 200254°F 201021%0%
Sep 1285°F60°F98°F 202555°F 202221%0%
Sep 1384°F60°F97°F 201950°F 201521%0%
Sep 1484°F59°F97°F 200850°F 201221%0%
Sep 1584°F59°F98°F 202549°F 200721%0%
Sep 1683°F59°F97°F 201946°F 200322%0%
Sep 1783°F58°F99°F 201949°F 201422%0%
Sep 1883°F58°F98°F 202537°F 200322%0%
Sep 1983°F58°F98°F 202548°F 201222%0%
Sep 2082°F57°F96°F 201831°F 200322%0%
Sep 2182°F57°F100°F 202234°F 200322%0%
Sep 2282°F56°F101°F 202252°F 201422%0%
Sep 2381°F56°F95°F 201045°F 201223%0%
Sep 2481°F56°F94°F 200747°F 201223%0%
Sep 2581°F55°F93°F 200753°F 200623%0%
Sep 2680°F55°F91°F 201653°F 201123%0%
Sep 2780°F54°F89°F 201951°F 201023%0%
Sep 2880°F54°F93°F 201946°F 201323%0%
Sep 2979°F54°F92°F 201944°F 200323%0%
Sep 3079°F53°F95°F 201941°F 200923%0%

Chance of rain

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

September 1
sunrise 6:23 AM, sunset 7:21 PM
September 30
sunrise 6:47 AM, sunset 6:37 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00156580 (Princeton 1 Se), public domain. Records: NOAA GHCN-Daily, station USC00152442, 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.