Thorntonville climate

Thorntonville Weather in September

NOAA 1991-2020 normals for Monahans, 4.7 km from Thorntonville

Average highs run from 94°F on September 1 to 86°F on September 30, and lows from 66°F to 56°F. Normal precipitation for the month is 2.19 in over about 5 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 Thorntonville, 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
62°F
Precipitation
2.19 in
Record high
108°FSep 6, 2000
Record low
33°FSep 27, 1970
Chance of a freeze
0%
Days of 90°F or more
19.3
Daylight
12 h 48 min to 11 h 53 min
Cloud cover
39%
Humidity
49%
Dew point
55°F
Wind
8.9 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°F66°F105°F 195953°F 197018%0%
Sep 294°F66°F105°F 200050°F 199618%0%
Sep 393°F66°F105°F 200057°F 197418%0%
Sep 493°F65°F105°F 199255°F 196117%0%
Sep 593°F65°F106°F 200052°F 197417%0%
Sep 693°F65°F108°F 200053°F 198817%0%
Sep 792°F65°F105°F 199253°F 198817%0%
Sep 892°F64°F104°F 199251°F 200417%0%
Sep 992°F64°F103°F 198451°F 200417%0%
Sep 1091°F64°F108°F 199253°F 198817%0%
Sep 1191°F63°F106°F 200045°F 197017%0%
Sep 1291°F63°F103°F 200052°F 195917%0%
Sep 1391°F63°F100°F 199949°F 195916%0%
Sep 1490°F62°F100°F 198750°F 197516%0%
Sep 1590°F62°F103°F 200446°F 199316%0%
Sep 1690°F62°F100°F 198847°F 199316%0%
Sep 1790°F61°F103°F 199750°F 197116%0%
Sep 1889°F61°F105°F 199741°F 197116%0%
Sep 1989°F61°F102°F 200541°F 197116%0%
Sep 2089°F60°F100°F 197742°F 197116%0%
Sep 2189°F60°F104°F 197744°F 199115%0%
Sep 2288°F60°F104°F 199843°F 199515%0%
Sep 2388°F59°F101°F 197742°F 197515%0%
Sep 2488°F59°F101°F 197737°F 198915%0%
Sep 2588°F58°F102°F 197738°F 197014%0%
Sep 2687°F58°F105°F 200535°F 197014%0%
Sep 2787°F58°F105°F 200533°F 197014%0%
Sep 2887°F57°F104°F 197733°F 197014%0%
Sep 2987°F57°F103°F 200538°F 197014%0%
Sep 3086°F56°F105°F 197741°F 198514%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Thorntonville, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:27 AM, sunset 8:15 PM
September 30
sunrise 7:45 AM, sunset 7:38 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415999 (Monahans), public domain. Records: NOAA GHCN-Daily, station USC00415999, 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.