Osage County climate

Osage County Weather in September

NOAA 1991-2020 normals for Pawhuska, 6.4 km from Osage County

Average highs run from 89°F on September 1 to 79°F on September 30, and lows from 66°F to 55°F. Normal precipitation for the month is 3.95 in over about 6 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 Osage 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
3.95 in
Record high
110°FSep 4, 2012
Record low
37°FSep 27, 2018
Chance of a freeze
1%
Days of 90°F or more
7.0
Daylight
12 h 57 min to 11 h 50 min
Cloud cover
45%
Humidity
66%
Dew point
59°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 189°F66°F107°F 201148°F 200919%0%
Sep 289°F65°F105°F 201153°F 200719%0%
Sep 389°F65°F103°F 201253°F 201619%0%
Sep 488°F65°F110°F 201247°F 201019%0%
Sep 588°F64°F106°F 201249°F 201020%0%
Sep 688°F64°F103°F 201242°F 201120%0%
Sep 788°F64°F100°F 201244°F 201120%0%
Sep 887°F63°F100°F 201245°F 202420%0%
Sep 987°F63°F99°F 201346°F 202420%0%
Sep 1087°F63°F97°F 201343°F 202420%0%
Sep 1186°F62°F95°F 201345°F 201220%0%
Sep 1286°F62°F97°F 202144°F 202220%0%
Sep 1386°F62°F97°F 201146°F 200620%0%
Sep 1485°F61°F99°F 201146°F 200620%0%
Sep 1585°F61°F100°F 201147°F 201420%0%
Sep 1685°F60°F95°F 201953°F 200721%0%
Sep 1784°F60°F97°F 200653°F 202321%0%
Sep 1884°F60°F97°F 202248°F 200621%0%
Sep 1983°F59°F101°F 202444°F 200621%0%
Sep 2083°F59°F101°F 202244°F 200621%0%
Sep 2183°F58°F100°F 202247°F 200621%0%
Sep 2282°F58°F102°F 202247°F 201220%0%
Sep 2382°F58°F93°F 201642°F 202120%0%
Sep 2482°F57°F93°F 202246°F 200920%0%
Sep 2581°F57°F95°F 202243°F 200620%0%
Sep 2681°F56°F97°F 201242°F 200620%0%
Sep 2780°F56°F94°F 202137°F 201819%0%
Sep 2880°F56°F95°F 202138°F 201819%0%
Sep 2980°F55°F94°F 202340°F 200619%0%
Sep 3079°F55°F93°F 202339°F 202019%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Osage County, 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 6:57 AM, sunset 7:54 PM
September 30
sunrise 7:20 AM, sunset 7:10 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00346935 (Pawhuska), public domain. Records: NOAA GHCN-Daily, station USC00340546, 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.