Hartley climate

Hartley Weather in September

NOAA 1991-2020 normals for Hartley, 1.4 km from Hartley

Average highs run from 86°F on September 1 to 78°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 1.55 in over about 4 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 Hartley, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
54°F
Precipitation
1.55 in
Record high
104°FSep 7, 2023
Record low
27°FSep 30, 1985
Chance of a freeze
1%
Days of 90°F or more
6.0
Daylight
12 h 55 min to 11 h 50 min
Cloud cover
39%
Humidity
51%
Dew point
49°F
Wind
11.0 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°F59°F99°F 201149°F 196821%0%
Sep 286°F59°F99°F 199547°F 197221%0%
Sep 386°F58°F101°F 202343°F 196120%0%
Sep 486°F58°F102°F 199536°F 196120%0%
Sep 585°F58°F103°F 199539°F 196119%0%
Sep 685°F58°F101°F 200047°F 195619%0%
Sep 785°F57°F104°F 202347°F 198618%0%
Sep 885°F57°F97°F 202638°F 202018%0%
Sep 984°F57°F97°F 202135°F 202018%0%
Sep 1084°F56°F100°F 202137°F 196217%0%
Sep 1184°F56°F100°F 202141°F 202017%0%
Sep 1284°F56°F96°F 201139°F 198917%0%
Sep 1383°F55°F99°F 201537°F 198917%0%
Sep 1483°F55°F101°F 195637°F 199317%0%
Sep 1583°F55°F97°F 201038°F 199317%0%
Sep 1683°F54°F97°F 195635°F 195116%0%
Sep 1782°F54°F99°F 201536°F 196516%0%
Sep 1882°F54°F98°F 195437°F 197116%0%
Sep 1982°F53°F97°F 198337°F 200316%0%
Sep 2081°F53°F97°F 195638°F 197116%0%
Sep 2181°F53°F96°F 198031°F 198317%0%
Sep 2281°F52°F94°F 202337°F 198317%0%
Sep 2380°F52°F96°F 195336°F 200917%0%
Sep 2480°F51°F95°F 199832°F 200017%0%
Sep 2580°F51°F98°F 202032°F 200017%0%
Sep 2679°F51°F98°F 202032°F 200017%0%
Sep 2779°F50°F96°F 201039°F 199617%0%
Sep 2879°F50°F96°F 202335°F 198417%0%
Sep 2978°F50°F97°F 201028°F 198517%0%
Sep 3078°F49°F95°F 200927°F 198517%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hartley, 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 7:22 AM, sunset 8:17 PM
September 30
sunrise 7:44 AM, sunset 7:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413979 (Hartley), public domain. Records: NOAA GHCN-Daily, station USW00093042, 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.