Monroe County climate

Monroe County Weather in September

NOAA 1991-2020 normals for Clarendon, 9.4 km from Monroe County

Average highs run from 87°F on September 1 to 79°F on September 30, and lows from 68°F to 57°F. Normal precipitation for the month is 3.17 in over about 5 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 Monroe 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
63°F
Precipitation
3.17 in
Record high
105°FSep 1, 2000
Record low
35°FSep 27, 1942
Chance of a freeze
0%
Days of 90°F or more
7.0
Daylight
12 h 53 min to 11 h 51 min
Cloud cover
43%
Humidity
63%
Dew point
60°F
Wind
6.9 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°F105°F 200052°F 196717%0%
Sep 287°F67°F102°F 200053°F 195517%0%
Sep 387°F67°F101°F 200050°F 195217%0%
Sep 487°F67°F102°F 200051°F 197417%0%
Sep 586°F66°F102°F 200052°F 195317%0%
Sep 686°F66°F102°F 195453°F 195317%0%
Sep 786°F66°F102°F 195452°F 195017%0%
Sep 886°F65°F98°F 193947°F 195617%0%
Sep 985°F65°F99°F 195549°F 195617%0%
Sep 1085°F65°F98°F 195451°F 194317%0%
Sep 1185°F64°F97°F 198345°F 194017%0%
Sep 1285°F64°F99°F 193943°F 194017%0%
Sep 1384°F63°F99°F 193943°F 194017%0%
Sep 1484°F63°F99°F 193946°F 194017%0%
Sep 1584°F63°F98°F 195449°F 196417%0%
Sep 1684°F62°F99°F 195445°F 196117%0%
Sep 1783°F62°F100°F 198045°F 199317%0%
Sep 1883°F62°F97°F 195345°F 198117%0%
Sep 1983°F61°F99°F 200545°F 193817%0%
Sep 2082°F61°F100°F 200542°F 193817%0%
Sep 2182°F61°F99°F 200545°F 199117%0%
Sep 2282°F60°F100°F 202244°F 198217%0%
Sep 2382°F60°F98°F 200541°F 199517%0%
Sep 2481°F60°F98°F 200539°F 198917%0%
Sep 2581°F59°F93°F 199339°F 198917%0%
Sep 2681°F59°F97°F 202239°F 200117%0%
Sep 2780°F58°F97°F 193935°F 194217%0%
Sep 2880°F58°F97°F 195438°F 194217%0%
Sep 2980°F58°F97°F 195335°F 194217%0%
Sep 3079°F57°F98°F 195338°F 196717%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monroe County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:38 AM, sunset 7:31 PM
September 30
sunrise 6:59 AM, sunset 6:50 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00031442 (Clarendon), public domain. Records: NOAA GHCN-Daily, station USC00036920, 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.