Ohio County climate

Ohio County Weather in September

NOAA 1991-2020 normals for Beaver Dam, 6.2 km from Ohio County

Average highs run from 86°F on September 1 to 77°F on September 30, and lows from 63°F to 52°F. Normal precipitation for the month is 3.80 in over about 6 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 Ohio County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
58°F
Precipitation
3.80 in
Record high
102°FSep 28, 1986
Record low
33°FSep 25, 1965
Chance of a freeze
3%
Days of 90°F or more
4.5
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
48%
Humidity
68%
Dew point
58°F
Wind
5.6 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 186°F63°F98°F 198345°F 196720%0%
Sep 286°F63°F97°F 199943°F 196720%0%
Sep 385°F63°F95°F 200245°F 196720%0%
Sep 485°F62°F98°F 200246°F 197420%0%
Sep 585°F62°F98°F 200747°F 197420%0%
Sep 685°F62°F98°F 199845°F 198820%0%
Sep 784°F61°F99°F 199041°F 198820%0%
Sep 884°F61°F98°F 199041°F 198820%0%
Sep 984°F61°F96°F 199944°F 198620%0%
Sep 1084°F60°F98°F 198345°F 198620%0%
Sep 1183°F60°F99°F 200244°F 196920%0%
Sep 1283°F60°F98°F 198344°F 196920%0%
Sep 1383°F59°F95°F 199145°F 197520%0%
Sep 1482°F59°F95°F 201943°F 197520%0%
Sep 1582°F58°F95°F 199142°F 201320%0%
Sep 1682°F58°F95°F 201940°F 196620%0%
Sep 1781°F58°F95°F 201941°F 198420%0%
Sep 1881°F57°F93°F 201940°F 198420%0%
Sep 1981°F57°F94°F 201843°F 197320%0%
Sep 2080°F56°F95°F 201839°F 199120%0%
Sep 2180°F56°F97°F 202235°F 199120%0%
Sep 2280°F55°F91°F 200736°F 198320%0%
Sep 2379°F55°F92°F 200736°F 198320%0%
Sep 2479°F54°F93°F 200735°F 198320%0%
Sep 2579°F54°F93°F 200733°F 196520%0%
Sep 2678°F53°F94°F 200734°F 196520%0%
Sep 2778°F53°F91°F 199835°F 199120%0%
Sep 2877°F53°F102°F 198633°F 199120%0%
Sep 2977°F52°F92°F 198634°F 196720%0%
Sep 3077°F52°F95°F 201937°F 196720%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ohio County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:18 AM, sunset 7:16 PM
September 30
sunrise 6:42 AM, sunset 6:32 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00150490 (Beaver Dam), public domain. Records: NOAA GHCN-Daily, station USC00156882, 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.