Monroe climate

Monroe Weather in September

NOAA 1991-2020 normals for Monroe Wwtp, 2.4 km from Monroe

Average highs run from 77°F on September 1 to 67°F on September 30, and lows from 57°F to 46°F. Normal precipitation for the month is 4.15 in over about 9 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, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
52°F
Precipitation
4.15 in
Record high
95°FSep 5, 2012
Record low
29°FSep 30, 2003
Chance of a freeze
14%
Days of 90°F or more
1.2
Daylight
13 h 09 min to 11 h 46 min
Cloud cover
50%
Humidity
75%
Dew point
54°F
Wind
8.9 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 177°F57°F94°F 201244°F 200931%0%
Sep 277°F57°F92°F 201144°F 200331%0%
Sep 377°F57°F91°F 201144°F 201331%0%
Sep 477°F56°F92°F 201242°F 202531%0%
Sep 576°F56°F95°F 201243°F 202531%0%
Sep 676°F56°F88°F 200543°F 201131%0%
Sep 776°F55°F92°F 200541°F 202531%0%
Sep 876°F55°F90°F 200241°F 202431%0%
Sep 975°F55°F89°F 200241°F 202431%0%
Sep 1075°F54°F93°F 200542°F 200831%0%
Sep 1175°F54°F93°F 201343°F 200831%0%
Sep 1274°F54°F90°F 200540°F 200731%0%
Sep 1374°F53°F89°F 200535°F 201431%0%
Sep 1474°F53°F85°F 200436°F 201431%0%
Sep 1573°F52°F87°F 201832°F 200731%0%
Sep 1673°F52°F87°F 201734°F 200731%0%
Sep 1773°F52°F87°F 201736°F 201431%0%
Sep 1872°F51°F90°F 201842°F 201231%0%
Sep 1972°F51°F86°F 202534°F 201231%0%
Sep 2071°F50°F89°F 202138°F 200631%0%
Sep 2171°F50°F90°F 201738°F 200631%0%
Sep 2271°F50°F88°F 202437°F 201431%0%
Sep 2370°F49°F91°F 201732°F 201231%0%
Sep 2470°F49°F94°F 201731°F 201231%0%
Sep 2569°F48°F89°F 201735°F 200131%0%
Sep 2669°F48°F90°F 201738°F 200631%0%
Sep 2768°F48°F85°F 202535°F 201231%0%
Sep 2868°F47°F88°F 202135°F 201231%0%
Sep 2968°F47°F83°F 200234°F 200331%0%
Sep 3067°F46°F87°F 202529°F 200331%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monroe, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:24 AM, sunset 7:33 PM
September 30
sunrise 6:55 AM, sunset 6:41 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00475573 (Monroe Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00475573, 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.