Clarke County climate

Clarke County Weather in September

NOAA 1991-2020 normals for Mt Wx, 10.8 km from Clarke County

Average highs run from 79°F on September 1 to 69°F on September 30, and lows from 61°F to 52°F. Normal precipitation for the month is 5.33 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 Clarke County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
57°F
Precipitation
5.33 in
Record high
98°FSep 12, 2019
Record low
35°FSep 26, 1983
Chance of a freeze
0%
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
55%
Humidity
69%
Dew point
55°F
Wind
4.0 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 179°F61°F95°F 201045°F 198629%0%
Sep 279°F61°F95°F 201048°F 200929%0%
Sep 379°F61°F95°F 199349°F 200929%0%
Sep 479°F61°F95°F 199348°F 199729%0%
Sep 578°F60°F97°F 201946°F 198229%0%
Sep 678°F60°F94°F 201847°F 198229%0%
Sep 778°F60°F97°F 199844°F 198429%0%
Sep 877°F59°F92°F 198544°F 198429%0%
Sep 977°F59°F93°F 201639°F 198629%0%
Sep 1077°F59°F92°F 198541°F 198629%0%
Sep 1176°F59°F96°F 198346°F 201729%0%
Sep 1276°F58°F98°F 201943°F 199329%0%
Sep 1376°F58°F97°F 201944°F 198529%0%
Sep 1475°F58°F94°F 199837°F 198529%0%
Sep 1575°F57°F94°F 199837°F 198529%0%
Sep 1675°F57°F97°F 199839°F 198529%0%
Sep 1774°F56°F95°F 201938°F 198630%0%
Sep 1874°F56°F86°F 199838°F 198630%0%
Sep 1973°F56°F85°F 199840°F 198630%0%
Sep 2073°F55°F92°F 198343°F 198430%0%
Sep 2173°F55°F91°F 198345°F 200630%0%
Sep 2272°F55°F93°F 201941°F 199730%0%
Sep 2372°F54°F95°F 201037°F 198330%0%
Sep 2471°F54°F93°F 201936°F 198330%0%
Sep 2571°F54°F96°F 201036°F 198331%0%
Sep 2671°F53°F89°F 198635°F 198331%0%
Sep 2770°F53°F90°F 198639°F 198431%0%
Sep 2870°F52°F93°F 199835°F 198931%0%
Sep 2969°F52°F92°F 201937°F 198931%0%
Sep 3069°F52°F91°F 201940°F 199230%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clarke County, 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 (EDT).

September 1
sunrise 6:41 AM, sunset 7:42 PM
September 30
sunrise 7:07 AM, sunset 6:56 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00445851 (Mt Wx), public domain. Records: NOAA GHCN-Daily, station USC00449181, 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.