Forest climate

Forest Weather in September

NOAA 1991-2020 normals for Forest, 5 km from Forest

Average highs run from 90°F on September 1 to 83°F on September 30, and lows from 66°F to 57°F.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Forest, 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
62°F
Record high
104°FSep 1, 2000
Record low
35°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
10.3
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
46%
Humidity
71%
Dew point
64°F
Wind
3.6 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 190°F66°F104°F 200057°F 19670%
Sep 290°F65°F102°F 200053°F 19670%
Sep 389°F65°F102°F 200056°F 19870%
Sep 489°F65°F104°F 200054°F 19740%
Sep 589°F65°F100°F 199055°F 19740%
Sep 689°F65°F99°F 202655°F 19840%
Sep 789°F64°F99°F 201950°F 20110%
Sep 889°F64°F102°F 198055°F 20110%
Sep 988°F64°F102°F 198052°F 20110%
Sep 1088°F64°F103°F 198053°F 19810%
Sep 1188°F63°F98°F 201051°F 19760%
Sep 1288°F63°F102°F 198050°F 19690%
Sep 1388°F63°F100°F 198050°F 19680%
Sep 1487°F63°F101°F 198048°F 19640%
Sep 1587°F62°F104°F 198051°F 19640%
Sep 1687°F62°F101°F 198055°F 19790%
Sep 1787°F62°F98°F 201952°F 19810%
Sep 1886°F61°F99°F 201046°F 19810%
Sep 1986°F61°F97°F 201543°F 19810%
Sep 2086°F61°F98°F 201045°F 19810%
Sep 2186°F60°F98°F 198048°F 19830%
Sep 2285°F60°F98°F 198041°F 19830%
Sep 2385°F60°F97°F 198041°F 19820%
Sep 2485°F59°F96°F 201646°F 19820%
Sep 2584°F59°F97°F 201646°F 19650%
Sep 2684°F59°F94°F 198644°F 19750%
Sep 2784°F58°F95°F 198644°F 19750%
Sep 2884°F58°F96°F 198641°F 19670%
Sep 2983°F58°F96°F 198635°F 19670%
Sep 3083°F57°F95°F 201937°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Forest, 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 (CDT).

September 1
sunrise 6:33 AM, sunset 7:22 PM
September 30
sunrise 6:51 AM, sunset 6:44 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00223107 (Forest), public domain. Records: NOAA GHCN-Daily, station USW00003940, 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.