Stephenville climate

Stephenville Weather in September

NOAA 1991-2020 normals for Stephenville, 3 km from Stephenville

Average highs run from 94°F on September 1 to 86°F on September 30, and lows from 67°F to 58°F. Normal precipitation for the month is 3.32 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 Stephenville, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
90°F
Average low
63°F
Precipitation
3.32 in
Record high
110°FSep 27, 1953
Record low
33°FSep 27, 1942
Chance of a freeze
0%
Days of 90°F or more
13.5
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
41%
Humidity
63%
Dew point
61°F
Wind
8.5 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 194°F67°F107°F 195256°F 197621%0%
Sep 294°F67°F106°F 200056°F 198721%0%
Sep 394°F66°F108°F 200052°F 197421%0%
Sep 494°F66°F108°F 200052°F 197421%0%
Sep 593°F66°F109°F 200052°F 197421%0%
Sep 693°F66°F108°F 200046°F 201121%0%
Sep 793°F65°F105°F 202346°F 201121%0%
Sep 892°F65°F107°F 202348°F 201120%0%
Sep 992°F65°F102°F 192449°F 200420%0%
Sep 1092°F64°F101°F 202650°F 201120%0%
Sep 1192°F64°F100°F 200050°F 195920%0%
Sep 1291°F64°F103°F 200046°F 192220%0%
Sep 1391°F64°F102°F 201146°F 194520%0%
Sep 1491°F63°F104°F 201141°F 194520%0%
Sep 1590°F63°F101°F 202648°F 199320%0%
Sep 1690°F63°F99°F 202647°F 200820%0%
Sep 1790°F62°F100°F 202646°F 200819%0%
Sep 1890°F62°F100°F 199744°F 198119%0%
Sep 1989°F62°F103°F 195643°F 198119%0%
Sep 2089°F61°F101°F 195351°F 198119%0%
Sep 2189°F61°F101°F 195343°F 198319%0%
Sep 2288°F60°F98°F 192642°F 198319%0%
Sep 2388°F60°F100°F 192642°F 199919%0%
Sep 2488°F60°F99°F 197742°F 198918%0%
Sep 2588°F59°F103°F 197740°F 198918%0%
Sep 2687°F59°F106°F 197740°F 200018%0%
Sep 2787°F59°F110°F 195333°F 194218%0%
Sep 2887°F58°F109°F 195342°F 199618%0%
Sep 2986°F58°F104°F 200538°F 192418%0%
Sep 3086°F58°F101°F 201140°F 198418%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stephenville, 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 7:08 AM, sunset 7:57 PM
September 30
sunrise 7:26 AM, sunset 7:19 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003969 (Stephenville), public domain. Records: NOAA GHCN-Daily, station USW00003969, 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.