Gardner climate

Gardner Weather in September

NOAA 1991-2020 normals for Olathe Johnson CO AP, 4 km from Gardner

Average highs run from 85°F on September 1 to 74°F on September 30, and lows from 63°F to 52°F. Normal precipitation for the month is 3.74 in over about 9 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 Gardner, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
58°F
Precipitation
3.74 in
Record high
107°FSep 2, 2000
Record low
36°FSep 26, 2000
Chance of a freeze
2%
Days of 90°F or more
4.1
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
45%
Humidity
69%
Dew point
56°F
Wind
9.4 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 185°F63°F104°F 200041°F 194931%0%
Sep 285°F62°F107°F 200049°F 195231%0%
Sep 384°F62°F107°F 194754°F 195231%0%
Sep 484°F62°F100°F 195449°F 201031%0%
Sep 584°F61°F101°F 202646°F 196231%0%
Sep 683°F61°F100°F 199846°F 195631%0%
Sep 783°F61°F103°F 194744°F 195631%0%
Sep 883°F60°F103°F 194745°F 195631%0%
Sep 982°F60°F97°F 196349°F 196231%0%
Sep 1082°F60°F97°F 200044°F 196231%0%
Sep 1182°F59°F102°F 200046°F 195931%0%
Sep 1281°F59°F102°F 195640°F 201431%0%
Sep 1381°F59°F98°F 195637°F 201431%0%
Sep 1480°F58°F94°F 202643°F 196131%0%
Sep 1580°F58°F94°F 195542°F 196131%0%
Sep 1680°F57°F96°F 195443°F 201431%0%
Sep 1779°F57°F96°F 195349°F 195131%0%
Sep 1879°F57°F98°F 202246°F 201231%0%
Sep 1979°F56°F99°F 202242°F 200331%0%
Sep 2078°F56°F99°F 202242°F 196231%0%
Sep 2178°F56°F95°F 195637°F 199931%0%
Sep 2277°F55°F91°F 195641°F 195131%0%
Sep 2377°F55°F91°F 200040°F 201230%0%
Sep 2477°F54°F89°F 201641°F 200030%0%
Sep 2576°F54°F89°F 195640°F 200030%0%
Sep 2676°F54°F92°F 195336°F 200030%0%
Sep 2775°F53°F93°F 195638°F 201830%0%
Sep 2875°F53°F102°F 195336°F 195130%0%
Sep 2975°F52°F95°F 195339°F 200330%0%
Sep 3074°F52°F91°F 195241°F 199930%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gardner, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:49 AM, sunset 7:50 PM
September 30
sunrise 7:15 AM, sunset 7:04 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093909 (Olathe Johnson CO AP), public domain. Records: NOAA GHCN-Daily, station USW00093909, 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.