Shelby County climate

Shelby County Weather in September

NOAA 1991-2020 normals for Shelbyville 1 E, 1.7 km from Shelby County

Average highs run from 86°F on September 1 to 76°F on September 30, and lows from 55°F to 46°F. Normal precipitation for the month is 3.45 in over about 8 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 Shelby County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
81°F
Average low
50°F
Precipitation
3.45 in
Record high
99°FSep 3, 2011
Record low
35°FSep 24, 2012
Chance of a freeze
20%
Days of 90°F or more
4.3
Daylight
12 h 59 min to 11 h 49 min
Cloud cover
49%
Humidity
68%
Dew point
56°F
Wind
6.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 186°F55°F95°F 200851°F 199924%
Sep 285°F55°F97°F 201150°F 199924%
Sep 385°F54°F99°F 201151°F 199824%
Sep 485°F54°F96°F 199949°F 199724%
Sep 585°F54°F97°F 200744°F 199725%
Sep 684°F53°F95°F 199848°F 201725%
Sep 784°F53°F95°F 201044°F 202525%
Sep 884°F53°F96°F 200244°F 202525%
Sep 984°F52°F97°F 200243°F 199825%
Sep 1083°F52°F98°F 201944°F 199825%
Sep 1183°F52°F94°F 201947°F 199825%
Sep 1283°F52°F95°F 201949°F 199725%
Sep 1382°F51°F97°F 201947°F 200725%
Sep 1482°F51°F94°F 199844°F 199626%
Sep 1581°F51°F92°F 201042°F 199926%
Sep 1681°F50°F95°F 201943°F 200026%
Sep 1781°F50°F88°F 201740°F 200026%
Sep 1880°F50°F92°F 201842°F 199926%
Sep 1980°F49°F91°F 201839°F 201226%
Sep 2080°F49°F92°F 201843°F 201226%
Sep 2179°F49°F94°F 201041°F 200626%
Sep 2279°F48°F96°F 201038°F 199926%
Sep 2378°F48°F94°F 200736°F 201226%
Sep 2478°F48°F94°F 200735°F 201226%
Sep 2578°F47°F95°F 200741°F 200126%
Sep 2677°F47°F90°F 201738°F 200126%
Sep 2777°F47°F94°F 201940°F 200026%
Sep 2876°F46°F95°F 201938°F 200126%
Sep 2976°F46°F96°F 201939°F 200026%
Sep 3076°F46°F97°F 201938°F 200325%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Shelby County, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:11 AM, sunset 8:10 PM
September 30
sunrise 7:36 AM, sunset 7:25 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00157324 (Shelbyville 1 E), public domain. Records: NOAA GHCN-Daily, station USW00053841, 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.