Hartley climate

Hartley Weather in September

NOAA 1991-2020 normals for Sanborn, 14.9 km from Hartley

Average highs run from 78°F on September 1 to 68°F on September 30, and lows from 56°F to 44°F. Normal precipitation for the month is 3.31 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 Hartley, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
50°F
Precipitation
3.31 in
Record high
101°FSep 20, 2022
Record low
22°FSep 23, 2012
Chance of a freeze
26%
Days of 90°F or more
0.6
Daylight
13 h 11 min to 11 h 47 min
Cloud cover
49%
Humidity
65%
Dew point
50°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 178°F56°F92°F 202240°F 200929%0%
Sep 277°F55°F98°F 202344°F 202429%0%
Sep 377°F55°F96°F 202340°F 200629%0%
Sep 477°F55°F98°F 202337°F 202529%0%
Sep 577°F54°F91°F 201539°F 202529%0%
Sep 677°F54°F96°F 202034°F 202529%0%
Sep 776°F54°F94°F 201334°F 202530%0%
Sep 876°F53°F92°F 200238°F 201030%0%
Sep 976°F53°F96°F 201337°F 200830%0%
Sep 1076°F53°F92°F 200539°F 199930%0%
Sep 1175°F52°F94°F 201237°F 200730%0%
Sep 1275°F52°F94°F 199834°F 201430%0%
Sep 1375°F51°F95°F 202532°F 201430%
Sep 1474°F51°F91°F 202231°F 201130%
Sep 1574°F51°F92°F 201828°F 200730%
Sep 1674°F50°F93°F 202534°F 199930%
Sep 1773°F50°F92°F 200738°F 201230%
Sep 1873°F49°F91°F 201331°F 201230%
Sep 1973°F49°F94°F 199831°F 200630%
Sep 2072°F49°F101°F 202227°F 200630%
Sep 2172°F48°F94°F 200524°F 199930%
Sep 2272°F48°F94°F 201730°F 201230%
Sep 2371°F47°F89°F 201722°F 201230%
Sep 2471°F47°F89°F 201729°F 200129%
Sep 2570°F46°F89°F 202027°F 200029%
Sep 2670°F46°F91°F 202129°F 201229%
Sep 2770°F46°F90°F 201329°F 201229%
Sep 2869°F45°F89°F 202427°F 202229%
Sep 2969°F45°F95°F 202325°F 199929%
Sep 3068°F44°F96°F 202327°F 200328%

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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:46 AM, sunset 7:57 PM
September 30
sunrise 7:18 AM, sunset 7:05 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00137386 (Sanborn), public domain. Records: NOAA GHCN-Daily, station USW00014972, 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.