Johnson climate

Johnson Weather in September

NOAA 1991-2020 normals for Fayetteville Exp Stn, 3.6 km from Johnson

Average highs run from 86°F on September 1 to 77°F on September 30, and lows from 65°F to 54°F. Normal precipitation for the month is 4.53 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 Johnson, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
81°F
Average low
60°F
Precipitation
4.53 in
Record high
105°FSep 2, 1939
Record low
29°FSep 30, 1984
Chance of a freeze
0%
Days of 90°F or more
4.0
Daylight
12 h 56 min to 11 h 51 min
Cloud cover
46%
Humidity
69%
Dew point
57°F
Wind
4.3 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 186°F65°F104°F 193946°F 191523%0%
Sep 285°F65°F105°F 193946°F 195223%0%
Sep 385°F64°F105°F 193943°F 197423%0%
Sep 485°F64°F103°F 193944°F 197423%0%
Sep 585°F64°F103°F 191346°F 195323%0%
Sep 684°F63°F104°F 194745°F 197423%0%
Sep 784°F63°F102°F 194743°F 195023%0%
Sep 884°F63°F101°F 194741°F 195623%0%
Sep 983°F62°F100°F 191241°F 195623%0%
Sep 1083°F62°F100°F 190942°F 196823%0%
Sep 1183°F62°F102°F 190940°F 194023%0%
Sep 1283°F61°F99°F 190938°F 194023%0%
Sep 1382°F61°F100°F 189333°F 190223%0%
Sep 1482°F61°F100°F 189335°F 190223%0%
Sep 1582°F60°F100°F 193942°F 197923%0%
Sep 1681°F60°F97°F 195340°F 190323%0%
Sep 1781°F59°F97°F 189635°F 190323%0%
Sep 1881°F59°F95°F 189336°F 198123%0%
Sep 1980°F59°F99°F 190938°F 190123%0%
Sep 2080°F58°F100°F 190936°F 193823%0%
Sep 2180°F58°F95°F 189334°F 198323%0%
Sep 2280°F57°F94°F 190934°F 198223%0%
Sep 2379°F57°F95°F 193134°F 199523%0%
Sep 2479°F57°F93°F 193133°F 198923%0%
Sep 2579°F56°F95°F 193936°F 198923%0%
Sep 2678°F56°F94°F 189837°F 189922%0%
Sep 2778°F55°F96°F 195330°F 194222%0%
Sep 2878°F55°F100°F 195334°F 190822%0%
Sep 2977°F55°F98°F 195332°F 189922%0%
Sep 3077°F54°F93°F 189729°F 198422%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:48 AM, sunset 7:44 PM
September 30
sunrise 7:11 AM, sunset 7:02 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00032444 (Fayetteville Exp Stn), public domain. Records: NOAA GHCN-Daily, station USC00032444, 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.