Harrison County climate

Harrison County Weather in September

NOAA 1991-2020 normals for Bethany, 11.2 km from Harrison County

Average highs run from 82°F on September 1 to 72°F on September 30, and lows from 60°F to 50°F. Normal precipitation for the month is 3.90 in over about 7 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 Harrison County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
78°F
Average low
55°F
Precipitation
3.90 in
Record high
100°FSep 7, 2013
Record low
33°FSep 29, 2003
Chance of a freeze
3%
Days of 90°F or more
1.9
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
46%
Humidity
70%
Dew point
55°F
Wind
9.4 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 182°F60°F96°F 202650°F 200925%0%
Sep 282°F60°F97°F 200050°F 202425%0%
Sep 382°F60°F96°F 202651°F 201025%0%
Sep 482°F59°F94°F 202644°F 202525%0%
Sep 581°F59°F95°F 202646°F 200825%0%
Sep 681°F59°F94°F 200244°F 201725%0%
Sep 781°F58°F100°F 201342°F 202525%0%
Sep 880°F58°F97°F 201345°F 200825%0%
Sep 980°F57°F98°F 201342°F 200824%0%
Sep 1080°F57°F96°F 201348°F 199924%0%
Sep 1179°F57°F96°F 200048°F 200724%0%
Sep 1279°F56°F95°F 202540°F 201424%0%
Sep 1379°F56°F95°F 202538°F 201424%0%
Sep 1478°F56°F90°F 201740°F 201124%0%
Sep 1578°F55°F91°F 201736°F 200724%0%
Sep 1678°F55°F91°F 202543°F 199924%0%
Sep 1777°F55°F90°F 200045°F 199924%0%
Sep 1877°F54°F90°F 201841°F 201224%0%
Sep 1977°F54°F90°F 201340°F 200324%0%
Sep 2076°F53°F97°F 202237°F 200624%0%
Sep 2176°F53°F90°F 201735°F 199924%0%
Sep 2276°F53°F90°F 201740°F 201224%0%
Sep 2375°F52°F91°F 201736°F 201223%0%
Sep 2475°F52°F90°F 201739°F 201123%0%
Sep 2574°F52°F88°F 201737°F 200123%0%
Sep 2674°F51°F89°F 202141°F 200023%0%
Sep 2774°F51°F88°F 202141°F 201223%0%
Sep 2873°F50°F89°F 202137°F 202223%0%
Sep 2973°F50°F91°F 200233°F 200323%0%
Sep 3072°F50°F91°F 200239°F 200923%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harrison County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:44 AM, sunset 7:48 PM
September 30
sunrise 7:12 AM, sunset 7:00 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00230608 (Bethany), public domain. Records: NOAA GHCN-Daily, station USW00094991, 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.