Washington County climate

Washington County Weather in September

NOAA 1991-2020 normals for Sandersville, 0.9 km from Washington County

Average highs run from 88°F on September 1 to 81°F on September 30, and lows from 68°F to 60°F. Normal precipitation for the month is 4.49 in over about 8 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 Washington County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
85°F
Average low
65°F
Precipitation
4.49 in
Record high
108°FSep 4, 1925
Record low
36°FSep 30, 1967
Chance of a freeze
0%
Days of 90°F or more
7.0
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
49%
Humidity
71%
Dew point
64°F
Wind
4.3 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 188°F68°F101°F 193055°F 192927%0%
Sep 288°F68°F101°F 192556°F 194627%0%
Sep 388°F68°F105°F 192555°F 195426%0%
Sep 487°F68°F108°F 192556°F 195226%0%
Sep 587°F67°F107°F 192552°F 199726%0%
Sep 687°F67°F102°F 192548°F 199726%0%
Sep 787°F67°F105°F 192548°F 199725%0%
Sep 887°F67°F108°F 192552°F 198425%0%
Sep 987°F67°F104°F 192552°F 192425%0%
Sep 1086°F66°F104°F 192549°F 195625%0%
Sep 1186°F66°F103°F 192547°F 195625%0%
Sep 1286°F66°F102°F 192547°F 191725%0%
Sep 1386°F66°F100°F 192748°F 197625%0%
Sep 1486°F65°F103°F 192749°F 194024%0%
Sep 1585°F65°F103°F 192749°F 195324%0%
Sep 1685°F65°F103°F 192749°F 198524%0%
Sep 1785°F64°F101°F 198047°F 198524%0%
Sep 1885°F64°F102°F 192548°F 200124%0%
Sep 1984°F64°F105°F 193148°F 191724%0%
Sep 2084°F63°F107°F 192546°F 198424%0%
Sep 2184°F63°F105°F 192545°F 191825%0%
Sep 2284°F63°F102°F 192538°F 198325%0%
Sep 2383°F62°F102°F 192543°F 198225%0%
Sep 2483°F62°F98°F 192543°F 199025%0%
Sep 2583°F62°F98°F 193141°F 199025%0%
Sep 2683°F61°F98°F 193141°F 199025%0%
Sep 2782°F61°F99°F 198445°F 199025%0%
Sep 2882°F61°F96°F 190442°F 198324%0%
Sep 2982°F60°F95°F 194141°F 190924%0%
Sep 3081°F60°F96°F 190436°F 196724%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Washington 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 (EDT).

September 1
sunrise 7:06 AM, sunset 7:56 PM
September 30
sunrise 7:25 AM, sunset 7:17 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00097777 (Sandersville), public domain. Records: NOAA GHCN-Daily, station USC00095874, 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.