Columbia County climate

Columbia County Weather in September

NOAA 1991-2020 normals for Clarks Hill 1 W, 14.9 km from Columbia County

Average highs run from 89°F on September 1 to 82°F on September 30, and lows from 68°F to 61°F. Normal precipitation for the month is 3.67 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 Columbia County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
65°F
Precipitation
3.67 in
Record high
100°FSep 6, 1999
Record low
44°FSep 30, 2001
Chance of a freeze
0%
Days of 90°F or more
11.1
Daylight
12 h 51 min to 11 h 52 min
Cloud cover
49%
Humidity
71%
Dew point
63°F
Wind
5.1 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 189°F68°F98°F 201458°F 19990%
Sep 289°F68°F97°F 201162°F 20250%
Sep 388°F68°F98°F 202663°F 20230%
Sep 488°F68°F97°F 202064°F 19970%
Sep 588°F68°F99°F 202658°F 19970%
Sep 688°F67°F100°F 199957°F 19970%
Sep 788°F67°F97°F 200859°F 20110%
Sep 887°F67°F98°F 201959°F 20110%
Sep 987°F67°F100°F 201960°F 20110%
Sep 1087°F67°F97°F 201955°F 19980%
Sep 1187°F66°F97°F 200259°F 19980%
Sep 1287°F66°F96°F 201962°F 20030%
Sep 1386°F66°F95°F 201959°F 20150%
Sep 1486°F66°F96°F 202657°F 19960%
Sep 1586°F65°F96°F 200557°F 19960%
Sep 1686°F65°F96°F 200551°F 20010%
Sep 1785°F65°F100°F 201955°F 20110%
Sep 1885°F65°F95°F 200559°F 20010%
Sep 1985°F64°F97°F 200556°F 19960%
Sep 2085°F64°F96°F 199754°F 20040%
Sep 2184°F64°F95°F 201754°F 20200%
Sep 2284°F63°F98°F 202254°F 20200%
Sep 2384°F63°F95°F 202450°F 19990%
Sep 2483°F63°F95°F 201953°F 19990%
Sep 2583°F63°F97°F 201957°F 20080%
Sep 2683°F62°F99°F 201953°F 20010%
Sep 2783°F62°F99°F 201950°F 20000%
Sep 2882°F62°F96°F 201751°F 20000%
Sep 2982°F61°F95°F 201951°F 20030%
Sep 3082°F61°F100°F 201944°F 20010%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Columbia 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 7:03 AM, sunset 7:54 PM
September 30
sunrise 7:23 AM, sunset 7:15 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00381726 (Clarks Hill 1 W), public domain. Records: NOAA GHCN-Daily, station USW00013837, 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.