Marion climate

Marion Weather in September

NOAA 1991-2020 normals for Marion Rsvr, 6.1 km from Marion

Average highs run from 87°F on September 1 to 77°F on September 30, and lows from 65°F to 53°F. Normal precipitation for the month is 3.50 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
3.50 in
Record high
108°FSep 2, 2000
Record low
29°FSep 29, 1916
Chance of a freeze
0%
Days of 90°F or more
6.9
Daylight
13 h 00 min to 11 h 49 min
Cloud cover
45%
Humidity
64%
Dew point
55°F
Wind
10.7 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°F65°F107°F 201146°F 194923%0%
Sep 287°F65°F108°F 200048°F 192423%0%
Sep 387°F64°F108°F 194741°F 197423%0%
Sep 487°F64°F106°F 201239°F 197423%0%
Sep 586°F64°F106°F 191342°F 197423%0%
Sep 686°F63°F104°F 191344°F 201723%0%
Sep 786°F63°F104°F 194737°F 189823%0%
Sep 885°F62°F102°F 192247°F 195723%0%
Sep 985°F62°F103°F 197041°F 190222%0%
Sep 1085°F62°F105°F 198435°F 192922%0%
Sep 1184°F61°F105°F 200039°F 192222%0%
Sep 1284°F61°F103°F 195641°F 197522%0%
Sep 1384°F61°F103°F 195637°F 190222%0%
Sep 1483°F60°F100°F 191137°F 201422%0%
Sep 1583°F60°F100°F 197834°F 191622%0%
Sep 1683°F59°F103°F 197835°F 193422%0%
Sep 1782°F59°F102°F 193134°F 190322%0%
Sep 1882°F59°F101°F 193136°F 197322%0%
Sep 1982°F58°F102°F 195437°F 199122%0%
Sep 2081°F58°F101°F 202233°F 190122%0%
Sep 2181°F57°F101°F 202234°F 198322%0%
Sep 2281°F57°F99°F 202232°F 199522%0%
Sep 2380°F56°F95°F 189836°F 190921%0%
Sep 2480°F56°F95°F 189733°F 198921%0%
Sep 2579°F56°F96°F 190438°F 191221%0%
Sep 2679°F55°F97°F 190431°F 191221%0%
Sep 2779°F55°F100°F 189831°F 190321%0%
Sep 2878°F54°F104°F 195333°F 190820%0%
Sep 2978°F54°F97°F 199429°F 191620%0%
Sep 3077°F53°F99°F 193829°F 198420%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 6:58 AM, sunset 7:58 PM
September 30
sunrise 7:23 AM, sunset 7:12 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00145039 (Marion Rsvr), public domain. Records: NOAA GHCN-Daily, station USC00145744, 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.