Saint George climate

Saint George Weather in September

NOAA 1991-2020 normals for Holly Hill 1 Sw, 20.7 km from Saint George

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 5.09 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 Saint George, 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
5.09 in
Record high
105°FSep 1, 1912
Record low
37°FSep 30, 1967
Chance of a freeze
0%
Days of 90°F or more
10.7
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
51%
Humidity
77%
Dew point
67°F
Wind
5.8 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°F105°F 191258°F 19990%
Sep 288°F68°F105°F 191257°F 19670%
Sep 388°F68°F105°F 191253°F 19540%
Sep 487°F68°F101°F 194456°F 20210%
Sep 587°F67°F100°F 194456°F 20210%
Sep 687°F67°F101°F 194455°F 19840%
Sep 787°F67°F100°F 191052°F 19840%
Sep 887°F67°F97°F 194152°F 19530%
Sep 986°F67°F100°F 193951°F 19660%
Sep 1086°F66°F100°F 193948°F 19660%
Sep 1186°F66°F99°F 191144°F 19560%
Sep 1286°F66°F98°F 191145°F 19760%
Sep 1386°F66°F99°F 191152°F 19170%
Sep 1485°F65°F97°F 193847°F 19530%
Sep 1585°F65°F98°F 202647°F 19530%
Sep 1685°F65°F99°F 191149°F 19670%
Sep 1785°F65°F98°F 194450°F 19610%
Sep 1884°F64°F97°F 194251°F 19100%
Sep 1984°F64°F99°F 194246°F 19810%
Sep 2084°F64°F99°F 194245°F 19840%
Sep 2184°F63°F97°F 191145°F 19840%
Sep 2283°F63°F99°F 194044°F 19990%
Sep 2383°F63°F99°F 194445°F 19830%
Sep 2483°F62°F94°F 196142°F 19670%
Sep 2583°F62°F96°F 196142°F 19900%
Sep 2682°F62°F97°F 196146°F 19400%
Sep 2782°F61°F96°F 191146°F 19400%
Sep 2882°F61°F97°F 191145°F 19620%
Sep 2982°F60°F97°F 191142°F 19090%
Sep 3081°F60°F96°F 190437°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Saint George, 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 6:57 AM, sunset 7:47 PM
September 30
sunrise 7:16 AM, sunset 7:08 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00384205 (Holly Hill 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00388922, 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.