Florence climate

Florence Weather in September

NOAA 1991-2020 normals for Georgetown Lake, 19.6 km from Florence

Average highs run from 94°F on September 1 to 86°F on September 30, and lows from 70°F to 62°F. Normal precipitation for the month is 3.96 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 Florence, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
90°F
Average low
67°F
Precipitation
3.96 in
Record high
111°FSep 5, 2000
Record low
34°FSep 22, 1983
Chance of a freeze
0%
Days of 90°F or more
18.2
Daylight
12 h 46 min to 11 h 53 min
Cloud cover
43%
Humidity
64%
Dew point
62°F
Wind
8.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 194°F70°F107°F 200061°F 199320%
Sep 294°F70°F108°F 200064°F 198720%
Sep 393°F70°F107°F 200062°F 198720%
Sep 493°F69°F108°F 200063°F 198820%
Sep 593°F69°F111°F 200052°F 198820%
Sep 693°F69°F111°F 200053°F 198820%
Sep 792°F69°F102°F 202357°F 201121%
Sep 892°F69°F106°F 202357°F 201721%
Sep 992°F68°F102°F 202357°F 202421%
Sep 1092°F68°F101°F 202659°F 198221%
Sep 1191°F68°F99°F 200054°F 198821%
Sep 1291°F68°F102°F 200060°F 201721%
Sep 1391°F67°F105°F 201158°F 201421%
Sep 1490°F67°F105°F 201156°F 198921%
Sep 1590°F67°F101°F 201151°F 199321%
Sep 1690°F67°F99°F 201354°F 198920%
Sep 1790°F66°F101°F 202654°F 198120%
Sep 1889°F66°F101°F 199548°F 198120%
Sep 1989°F66°F97°F 198246°F 198120%
Sep 2089°F66°F98°F 200547°F 198120%
Sep 2189°F65°F102°F 199946°F 198320%
Sep 2289°F65°F99°F 202134°F 198320%
Sep 2388°F65°F101°F 202342°F 198320%
Sep 2488°F64°F103°F 202347°F 198319%
Sep 2588°F64°F103°F 202345°F 198919%
Sep 2688°F64°F105°F 201145°F 200019%
Sep 2787°F63°F105°F 200548°F 199319%
Sep 2887°F63°F105°F 200545°F 199619%
Sep 2987°F63°F99°F 201150°F 199619%
Sep 3086°F62°F102°F 201145°F 198419%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:08 AM, sunset 7:54 PM
September 30
sunrise 7:24 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 USC00413507 (Georgetown Lake), public domain. Records: NOAA GHCN-Daily, station USC00413507, 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.