Mount Pleasant climate

Mount Pleasant Weather in September

NOAA 1991-2020 normals for Racine, 5.7 km from Mount Pleasant

Average highs run from 75°F on September 1 to 65°F on September 30, and lows from 61°F to 50°F. Normal precipitation for the month is 3.34 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 Mount Pleasant, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
56°F
Precipitation
3.34 in
Record high
96°FSep 10, 2013
Record low
37°FSep 19, 2012
Chance of a freeze
2%
Daylight
13 h 10 min to 11 h 46 min
Cloud cover
59%
Humidity
74%
Dew point
54°F
Wind
9.6 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 175°F61°F88°F 201547°F 200930%0%
Sep 275°F61°F90°F 201548°F 201730%0%
Sep 374°F61°F92°F 202351°F 200931%0%
Sep 474°F60°F89°F 201845°F 202531%0%
Sep 574°F60°F88°F 201849°F 202531%0%
Sep 674°F60°F92°F 201545°F 202531%0%
Sep 773°F59°F88°F 201544°F 202531%0%
Sep 873°F59°F84°F 200248°F 202431%0%
Sep 973°F59°F89°F 200247°F 200831%0%
Sep 1073°F58°F96°F 201345°F 200831%0%
Sep 1172°F58°F91°F 200547°F 201431%0%
Sep 1272°F57°F89°F 200542°F 201431%0%
Sep 1372°F57°F92°F 200540°F 201431%0%
Sep 1471°F57°F85°F 200942°F 200731%0%
Sep 1571°F56°F86°F 200438°F 200731%0%
Sep 1671°F56°F84°F 201641°F 201131%0%
Sep 1770°F55°F90°F 202147°F 201431%0%
Sep 1870°F55°F85°F 200042°F 202031%0%
Sep 1970°F54°F87°F 201637°F 201231%0%
Sep 2069°F54°F86°F 202441°F 200631%0%
Sep 2169°F54°F91°F 201040°F 200631%0%
Sep 2268°F53°F93°F 201741°F 199931%0%
Sep 2368°F53°F90°F 201038°F 201231%0%
Sep 2468°F52°F89°F 201737°F 201231%0%
Sep 2567°F52°F86°F 201740°F 200131%0%
Sep 2667°F51°F91°F 201742°F 200032%0%
Sep 2766°F51°F85°F 202545°F 200132%0%
Sep 2866°F50°F79°F 201542°F 200632%0%
Sep 2966°F50°F83°F 201438°F 200332%0%
Sep 3065°F50°F87°F 201937°F 200332%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mount Pleasant, 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 6:16 AM, sunset 7:26 PM
September 30
sunrise 6:48 AM, sunset 6:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00476922 (Racine), public domain. Records: NOAA GHCN-Daily, station USW00094818, 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.