Brewster County climate

Brewster County Weather in September

NOAA 1991-2020 normals for Persimmon Gap, 18.5 km from Brewster County

Average highs run from 94°F on September 1 to 88°F on September 30, and lows from 70°F to 61°F. Normal precipitation for the month is 1.58 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 Brewster County, 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
66°F
Precipitation
1.58 in
Record high
104°FSep 2, 2014
Record low
36°FSep 24, 1989
Chance of a freeze
0%
Days of 90°F or more
19.0
Daylight
12 h 45 min to 11 h 54 min
Cloud cover
44%
Humidity
56%
Dew point
53°F
Wind
8.1 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°F70°F103°F 201451°F 201718%0%
Sep 293°F70°F104°F 201449°F 198717%0%
Sep 393°F69°F103°F 201448°F 197417%0%
Sep 493°F69°F97°F 201548°F 198417%0%
Sep 593°F69°F100°F 198345°F 198817%0%
Sep 692°F69°F99°F 194845°F 198417%0%
Sep 792°F68°F99°F 194847°F 201117%0%
Sep 892°F68°F98°F 201244°F 200417%0%
Sep 992°F68°F96°F 201542°F 200417%0%
Sep 1091°F68°F98°F 193044°F 200417%0%
Sep 1191°F67°F101°F 193043°F 193518%0%
Sep 1291°F67°F99°F 193042°F 195918%0%
Sep 1391°F67°F101°F 193037°F 195918%0%
Sep 1490°F67°F98°F 201740°F 194518%0%
Sep 1590°F66°F97°F 201742°F 199318%0%
Sep 1690°F66°F95°F 201547°F 198918%0%
Sep 1790°F66°F98°F 201542°F 195118%0%
Sep 1890°F65°F99°F 201542°F 198117%0%
Sep 1989°F65°F101°F 193038°F 199117%0%
Sep 2089°F65°F96°F 199839°F 199117%0%
Sep 2189°F64°F97°F 193043°F 197117%0%
Sep 2289°F64°F96°F 193337°F 199517%0%
Sep 2389°F64°F93°F 193038°F 197517%0%
Sep 2489°F63°F95°F 197736°F 198917%0%
Sep 2588°F63°F99°F 193141°F 197517%0%
Sep 2688°F63°F99°F 197740°F 197016%0%
Sep 2788°F62°F97°F 197738°F 198916%0%
Sep 2888°F62°F97°F 197737°F 197016%0%
Sep 2988°F61°F98°F 197736°F 194516%0%
Sep 3088°F61°F98°F 197736°F 194516%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brewster County, 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 7:30 AM, sunset 8:15 PM
September 30
sunrise 7:46 AM, sunset 7:40 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00416959 (Persimmon Gap), public domain. Records: NOAA GHCN-Daily, station USC00410174, 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.