Decatur County climate

Decatur County Weather in September

NOAA 1991-2020 normals for Parsons Wtp, 1.2 km from Decatur County

Average highs run from 89°F on September 1 to 81°F on September 30, and lows from 64°F to 54°F. Normal precipitation for the month is 4.35 in over about 7 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 Decatur County, 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
60°F
Precipitation
4.35 in
Record high
103°FSep 6, 1999
Record low
36°FSep 27, 2001
Chance of a freeze
0%
Days of 90°F or more
9.5
Daylight
12 h 54 min to 11 h 50 min
Cloud cover
47%
Humidity
67%
Dew point
59°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 189°F64°F98°F 200052°F 200926%0%
Sep 289°F64°F99°F 201153°F 200926%0%
Sep 388°F64°F100°F 201155°F 202325%0%
Sep 488°F64°F100°F 199951°F 201025%0%
Sep 588°F63°F101°F 199949°F 201025%0%
Sep 688°F63°F103°F 199950°F 201025%0%
Sep 788°F63°F99°F 199848°F 201725%0%
Sep 887°F62°F100°F 199947°F 202425%0%
Sep 987°F62°F100°F 199947°F 201725%0%
Sep 1087°F62°F94°F 201947°F 202425%0%
Sep 1187°F61°F97°F 200247°F 199825%0%
Sep 1286°F61°F95°F 201954°F 201625%0%
Sep 1386°F61°F96°F 201947°F 201524%0%
Sep 1486°F60°F97°F 201947°F 201524%0%
Sep 1585°F60°F98°F 201947°F 199924%0%
Sep 1685°F60°F98°F 201945°F 200024%0%
Sep 1785°F59°F99°F 201941°F 200024%0%
Sep 1885°F59°F97°F 201943°F 199924%0%
Sep 1984°F59°F97°F 201944°F 201224%0%
Sep 2084°F58°F97°F 201846°F 201224%0%
Sep 2184°F58°F98°F 201843°F 200624%0%
Sep 2283°F57°F99°F 202244°F 199924%0%
Sep 2383°F57°F94°F 201041°F 199924%0%
Sep 2483°F57°F94°F 201639°F 201224%0%
Sep 2582°F56°F94°F 201040°F 201224%0%
Sep 2682°F56°F94°F 201637°F 200124%0%
Sep 2782°F55°F92°F 201736°F 200124%0%
Sep 2882°F55°F96°F 199841°F 200124%0%
Sep 2981°F54°F95°F 199940°F 200324%0%
Sep 3081°F54°F94°F 199838°F 199924%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Decatur County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:25 AM, sunset 7:19 PM
September 30
sunrise 6:47 AM, sunset 6:37 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00407015 (Parsons Wtp), public domain. Records: NOAA GHCN-Daily, station USC00407015, 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.