Greer County climate

Greer County Weather in September

NOAA 1991-2020 normals for Mangum, 7.4 km from Greer County

Average highs run from 91°F on September 1 to 81°F on September 30, and lows from 67°F to 55°F. Normal precipitation for the month is 2.60 in over about 5 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 Greer County, 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
61°F
Precipitation
2.60 in
Record high
109°FSep 3, 2000
Record low
28°FSep 30, 1984
Chance of a freeze
0%
Days of 90°F or more
11.5
Daylight
12 h 54 min to 11 h 51 min
Cloud cover
42%
Humidity
59%
Dew point
57°F
Wind
10.1 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 191°F67°F108°F 195151°F 191517%0%
Sep 291°F66°F107°F 194753°F 191517%0%
Sep 390°F66°F109°F 200048°F 197417%0%
Sep 490°F66°F108°F 194750°F 197417%0%
Sep 590°F65°F108°F 199850°F 197417%0%
Sep 689°F65°F104°F 196353°F 197417%0%
Sep 789°F65°F105°F 193650°F 194317%0%
Sep 889°F64°F104°F 193051°F 200417%0%
Sep 988°F64°F103°F 193648°F 200417%0%
Sep 1088°F64°F104°F 196347°F 196217%0%
Sep 1188°F63°F106°F 200050°F 197617%0%
Sep 1288°F63°F108°F 193049°F 194017%0%
Sep 1387°F63°F105°F 193048°F 197517%0%
Sep 1487°F62°F104°F 191846°F 194517%0%
Sep 1587°F62°F104°F 194341°F 199317%0%
Sep 1686°F61°F104°F 195645°F 199317%0%
Sep 1786°F61°F102°F 199741°F 198117%0%
Sep 1886°F61°F103°F 195240°F 198117%0%
Sep 1985°F60°F102°F 193047°F 200317%0%
Sep 2085°F60°F103°F 195344°F 191817%0%
Sep 2184°F59°F102°F 197735°F 198317%0%
Sep 2284°F59°F101°F 197740°F 198317%0%
Sep 2384°F58°F100°F 192640°F 199417%0%
Sep 2483°F58°F100°F 193035°F 198917%0%
Sep 2583°F58°F99°F 199840°F 197517%0%
Sep 2683°F57°F106°F 195338°F 200017%0%
Sep 2782°F57°F104°F 195338°F 194217%0%
Sep 2882°F56°F105°F 195338°F 196716%0%
Sep 2982°F56°F100°F 192840°F 191616%0%
Sep 3081°F55°F105°F 197728°F 198416%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Greer County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:11 AM, sunset 8:05 PM
September 30
sunrise 7:32 AM, sunset 7:23 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00345509 (Mangum), public domain. Records: NOAA GHCN-Daily, station USC00340179, 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.