Laredo climate

Laredo Weather in September

NOAA 1991-2020 normals for Laredo 2, 7 km from Laredo

Average highs run from 98°F on September 1 to 91°F on September 30, and lows from 76°F to 70°F. Normal precipitation for the month is 3.87 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 Laredo, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
94°F
Average low
73°F
Precipitation
3.87 in
Record high
108°FSep 3, 2026
Record low
51°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
24.3
Daylight
12 h 41 min to 11 h 55 min
Cloud cover
45%
Humidity
67%
Dew point
67°F
Wind
9.2 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 198°F76°F106°F 202071°F 196924%0%
Sep 297°F76°F107°F 202671°F 196824%0%
Sep 397°F76°F108°F 202669°F 196724%0%
Sep 497°F75°F107°F 202670°F 196724%0%
Sep 597°F75°F106°F 202368°F 196825%0%
Sep 696°F75°F104°F 201268°F 196725%0%
Sep 796°F75°F104°F 201268°F 196725%0%
Sep 896°F75°F106°F 202362°F 201725%0%
Sep 996°F74°F105°F 202667°F 202025%0%
Sep 1095°F74°F105°F 202361°F 202025%0%
Sep 1195°F74°F105°F 202660°F 202024%0%
Sep 1295°F74°F104°F 202666°F 201724%0%
Sep 1395°F74°F104°F 201767°F 196824%0%
Sep 1494°F74°F106°F 201766°F 201424%0%
Sep 1594°F73°F104°F 202369°F 201224%0%
Sep 1694°F73°F103°F 202667°F 201224%0%
Sep 1794°F73°F102°F 202165°F 201223%0%
Sep 1893°F73°F103°F 201964°F 196823%0%
Sep 1993°F72°F103°F 201668°F 196823%0%
Sep 2093°F72°F105°F 202167°F 202022%0%
Sep 2193°F72°F103°F 202164°F 202022%0%
Sep 2293°F72°F100°F 202364°F 201321%0%
Sep 2392°F72°F102°F 202360°F 201321%0%
Sep 2492°F71°F103°F 202364°F 202121%0%
Sep 2592°F71°F102°F 202365°F 202120%0%
Sep 2692°F71°F100°F 201960°F 197020%0%
Sep 2792°F71°F100°F 196656°F 197019%0%
Sep 2891°F71°F100°F 201954°F 196719%0%
Sep 2991°F70°F99°F 201951°F 196718%0%
Sep 3091°F70°F98°F 196654°F 196718%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Laredo, 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 7:17 AM, sunset 7:58 PM
September 30
sunrise 7:30 AM, sunset 7:25 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415060 (Laredo 2), public domain. Records: NOAA GHCN-Daily, station USW00012907, 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.