Greene County climate

Greene County Weather in September

NOAA 1991-2020 normals for Gainesville Lock, 17.1 km from Greene County

Average highs run from 90°F on September 1 to 84°F on September 30, and lows from 68°F to 59°F. Normal precipitation for the month is 3.27 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 Greene County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
64°F
Precipitation
3.27 in
Record high
103°FSep 1, 1951
Record low
36°FSep 25, 1990
Chance of a freeze
0%
Days of 90°F or more
12.3
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
47%
Humidity
70%
Dew point
64°F
Wind
4.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 190°F68°F103°F 195158°F 198624%
Sep 290°F68°F99°F 199556°F 195424%
Sep 390°F68°F99°F 202654°F 195223%
Sep 490°F68°F102°F 195150°F 195223%
Sep 590°F67°F102°F 195453°F 197422%
Sep 689°F67°F102°F 195453°F 200922%
Sep 789°F67°F100°F 195450°F 198822%
Sep 889°F67°F100°F 195447°F 198821%
Sep 989°F66°F99°F 198053°F 201121%
Sep 1089°F66°F99°F 198048°F 201021%
Sep 1189°F66°F101°F 198048°F 197620%
Sep 1288°F65°F98°F 196248°F 197620%
Sep 1388°F65°F98°F 196248°F 196920%
Sep 1488°F65°F97°F 195450°F 196420%
Sep 1588°F65°F98°F 198049°F 198520%
Sep 1688°F64°F100°F 198048°F 198520%
Sep 1787°F64°F100°F 198049°F 196119%
Sep 1887°F64°F100°F 195348°F 198119%
Sep 1987°F63°F99°F 195445°F 198119%
Sep 2087°F63°F100°F 195444°F 198119%
Sep 2186°F63°F97°F 195446°F 198119%
Sep 2286°F62°F97°F 195542°F 198319%
Sep 2386°F62°F97°F 195541°F 198319%
Sep 2486°F62°F95°F 197741°F 198319%
Sep 2585°F61°F96°F 201636°F 199019%
Sep 2685°F61°F94°F 198043°F 199019%
Sep 2785°F60°F94°F 195544°F 199019%
Sep 2884°F60°F97°F 195442°F 201019%
Sep 2984°F60°F97°F 195441°F 196219%
Sep 3084°F59°F94°F 197838°F 196719%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:27 AM, sunset 7:16 PM
September 30
sunrise 6:45 AM, sunset 6:38 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00013160 (Gainesville Lock), public domain. Records: NOAA GHCN-Daily, station USC00012245, 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.