Clay County climate

Clay County Weather in September

NOAA 1991-2020 normals for Terre Haute Caa AP, 17 km from Clay County

Average highs run from 83°F on September 1 to 76°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 3.20 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Clay County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
54°F
Precipitation
3.20 in
Record high
98°FSep 2, 2011
Record low
33°FSep 22, 1999
Chance of a freeze
4%
Days of 90°F or more
4.0
Daylight
13 h 02 min to 11 h 48 min
Cloud cover
48%
Humidity
69%
Dew point
55°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 183°F60°F97°F 201146°F 20090%
Sep 283°F59°F98°F 201147°F 20090%
Sep 383°F59°F98°F 201148°F 20240%
Sep 483°F59°F97°F 202649°F 20100%
Sep 582°F58°F95°F 199944°F 20100%
Sep 682°F58°F95°F 199843°F 20170%
Sep 782°F58°F93°F 201541°F 20170%
Sep 882°F57°F94°F 200239°F 20240%
Sep 982°F57°F94°F 200240°F 20240%
Sep 1081°F57°F97°F 201342°F 19990%
Sep 1181°F56°F95°F 201343°F 20170%
Sep 1281°F56°F92°F 201945°F 20070%
Sep 1381°F55°F92°F 201142°F 20150%
Sep 1480°F55°F91°F 199839°F 20140%
Sep 1580°F55°F91°F 202538°F 20070%
Sep 1680°F54°F90°F 201940°F 20000%
Sep 1780°F54°F91°F 201842°F 19990%
Sep 1879°F53°F93°F 201842°F 19990%
Sep 1979°F53°F93°F 201837°F 20200%
Sep 2079°F53°F93°F 201838°F 20200%
Sep 2179°F52°F95°F 202240°F 20200%
Sep 2278°F52°F94°F 201733°F 19990%
Sep 2378°F51°F94°F 201036°F 19990%
Sep 2478°F51°F93°F 201734°F 20120%
Sep 2577°F51°F92°F 201737°F 20010%
Sep 2677°F50°F92°F 201733°F 20010%
Sep 2777°F50°F91°F 199838°F 20010%
Sep 2876°F49°F92°F 199934°F 20220%
Sep 2976°F49°F91°F 202534°F 20220%
Sep 3076°F49°F92°F 201935°F 20030%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clay County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:17 AM, sunset 8:19 PM
September 30
sunrise 7:44 AM, sunset 7:32 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093823 (Terre Haute Caa AP), public domain. Records: NOAA GHCN-Daily, station USW00003868, 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.