Zapata County climate

Zapata County Weather in September

NOAA 1991-2020 normals for Zapata 1 S, 16.8 km from Zapata County

Average highs run from 97°F on September 1 to 90°F on September 30, and lows from 76°F to 69°F. Normal precipitation for the month is 4.37 in over about 7 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 Zapata County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
93°F
Average low
73°F
Precipitation
4.37 in
Record high
111°FSep 6, 2000
Record low
45°FSep 29, 1909
Chance of a freeze
0%
Days of 90°F or more
22.9
Daylight
12 h 41 min to 11 h 55 min
Cloud cover
47%
Humidity
70%
Dew point
69°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 197°F76°F106°F 200566°F 197520%0%
Sep 296°F76°F106°F 200069°F 198720%0%
Sep 396°F75°F106°F 200069°F 197021%0%
Sep 496°F75°F105°F 200066°F 197421%0%
Sep 596°F75°F106°F 200057°F 197421%0%
Sep 695°F75°F111°F 200058°F 197421%0%
Sep 795°F75°F110°F 200064°F 197321%0%
Sep 895°F74°F104°F 196364°F 197421%0%
Sep 994°F74°F104°F 198062°F 197421%0%
Sep 1094°F74°F103°F 199760°F 197421%0%
Sep 1194°F74°F104°F 200068°F 197921%0%
Sep 1293°F74°F103°F 196365°F 200321%0%
Sep 1393°F73°F104°F 198064°F 197421%0%
Sep 1493°F73°F103°F 198063°F 197421%0%
Sep 1593°F73°F103°F 196365°F 198921%0%
Sep 1692°F73°F104°F 198064°F 197921%0%
Sep 1792°F73°F104°F 199662°F 197921%0%
Sep 1892°F72°F103°F 196364°F 197120%0%
Sep 1992°F72°F102°F 198058°F 197120%0%
Sep 2091°F72°F104°F 196356°F 197120%0%
Sep 2191°F72°F108°F 190957°F 199120%0%
Sep 2291°F71°F105°F 190956°F 199520%0%
Sep 2391°F71°F103°F 196353°F 199519%0%
Sep 2491°F71°F102°F 200057°F 197519%0%
Sep 2590°F71°F104°F 200555°F 190919%0%
Sep 2690°F70°F105°F 200549°F 190918%0%
Sep 2790°F70°F105°F 196350°F 190918%0%
Sep 2890°F70°F103°F 200546°F 190918%0%
Sep 2990°F70°F104°F 196345°F 190917%0%
Sep 3090°F69°F106°F 196349°F 190917%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Zapata County, 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 7:16 AM, sunset 7:57 PM
September 30
sunrise 7:29 AM, sunset 7:24 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00419976 (Zapata 1 S), public domain. Records: NOAA GHCN-Daily, station USC00419976, 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.