Georgetown climate

Georgetown Weather in September

NOAA 1991-2020 normals for Georgetown RS, 4.3 km from Georgetown

Average highs run from 89°F on September 1 to 81°F on September 30, and lows from 61°F to 54°F. Normal precipitation for the month is 0.41 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 Georgetown, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
57°F
Precipitation
0.41 in
Record high
111°FSep 7, 2022
Record low
31°FSep 14, 2006
Chance of a freeze
1%
Days of 90°F or more
11.8
Daylight
13 h 01 min to 11 h 48 min
Cloud cover
25%
Humidity
35%
Dew point
40°F
Wind
6.0 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 189°F61°F102°F 199842°F 19640%
Sep 289°F60°F104°F 201741°F 19640%
Sep 389°F60°F106°F 201748°F 20000%
Sep 489°F60°F103°F 198844°F 20000%
Sep 588°F60°F103°F 198841°F 19700%
Sep 688°F60°F109°F 202247°F 20010%
Sep 788°F59°F111°F 202244°F 19780%
Sep 888°F59°F104°F 202043°F 19780%
Sep 988°F59°F104°F 202136°F 19900%
Sep 1087°F59°F98°F 202138°F 19850%
Sep 1187°F59°F97°F 199334°F 19720%
Sep 1287°F58°F99°F 201537°F 19720%
Sep 1387°F58°F100°F 197140°F 19700%
Sep 1486°F58°F101°F 197131°F 20060%
Sep 1586°F58°F102°F 197940°F 19860%
Sep 1686°F57°F97°F 197940°F 20020%
Sep 1786°F57°F96°F 197942°F 20020%
Sep 1885°F57°F97°F 198439°F 19780%
Sep 1985°F57°F99°F 198440°F 19780%
Sep 2085°F56°F98°F 200036°F 20040%
Sep 2184°F56°F96°F 197436°F 20040%
Sep 2284°F56°F99°F 198737°F 20170%
Sep 2384°F56°F96°F 200242°F 20130%
Sep 2483°F55°F97°F 200344°F 19810%
Sep 2583°F55°F99°F 199139°F 19810%
Sep 2683°F55°F95°F 196340°F 19710%
Sep 2782°F54°F99°F 196338°F 19710%
Sep 2882°F54°F99°F 201038°F 19820%
Sep 2982°F54°F97°F 199335°F 20190%
Sep 3081°F54°F97°F 199336°F 19820%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Georgetown, 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 (PDT).

September 1
sunrise 6:32 AM, sunset 7:33 PM
September 30
sunrise 6:59 AM, sunset 6:47 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043384 (Georgetown RS), public domain. Records: NOAA GHCN-Daily, station USC00043384, 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.