Zavalla climate

Zavalla Weather in September

NOAA 1991-2020 normals for Sam Rayburn Dam, 32.8 km from Zavalla

Average highs run from 93°F on September 1 to 86°F on September 30, and lows from 74°F to 65°F. Normal precipitation for the month is 4.44 in over about 8 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 Zavalla, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
70°F
Precipitation
4.44 in
Record high
110°FSep 4, 2000
Record low
36°FSep 30, 1920
Chance of a freeze
0%
Days of 90°F or more
14.8
Daylight
12 h 47 min to 11 h 53 min
Cloud cover
46%
Humidity
73%
Dew point
67°F
Wind
3.8 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 193°F74°F109°F 200053°F 191530%0%
Sep 293°F74°F108°F 200056°F 191930%0%
Sep 392°F73°F109°F 200055°F 195530%0%
Sep 492°F73°F110°F 200053°F 193430%0%
Sep 592°F73°F104°F 200048°F 195230%0%
Sep 692°F73°F101°F 193952°F 197429%0%
Sep 792°F73°F105°F 202350°F 201129%0%
Sep 891°F73°F103°F 192551°F 198829%0%
Sep 991°F72°F102°F 192552°F 201129%0%
Sep 1091°F72°F102°F 190954°F 191828%0%
Sep 1191°F72°F101°F 201148°F 190728%0%
Sep 1290°F72°F103°F 201150°F 194028%0%
Sep 1390°F71°F105°F 201147°F 194028%0%
Sep 1490°F71°F102°F 201150°F 194028%0%
Sep 1590°F71°F101°F 193153°F 194027%0%
Sep 1689°F70°F100°F 192052°F 198927%0%
Sep 1789°F70°F101°F 192750°F 196127%0%
Sep 1889°F70°F101°F 193548°F 198127%0%
Sep 1989°F69°F102°F 195646°F 198127%0%
Sep 2088°F69°F102°F 200551°F 198126%0%
Sep 2188°F69°F104°F 200545°F 191326%0%
Sep 2288°F68°F103°F 200544°F 198326%0%
Sep 2388°F68°F101°F 193142°F 199926%0%
Sep 2487°F68°F102°F 193146°F 199026%0%
Sep 2587°F67°F101°F 193144°F 198925%0%
Sep 2687°F67°F100°F 200546°F 200025%0%
Sep 2787°F66°F101°F 195340°F 194225%0%
Sep 2886°F66°F101°F 195338°F 190925%0%
Sep 2986°F66°F100°F 201137°F 196725%0%
Sep 3086°F65°F100°F 195336°F 192025%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Zavalla, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:54 AM, sunset 7:41 PM
September 30
sunrise 7:11 AM, sunset 7:04 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417936 (Sam Rayburn Dam), public domain. Records: NOAA GHCN-Daily, station USW00093987, 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.