Alto climate

Alto Weather in September

NOAA 1991-2020 normals for Rusk, 18.9 km from Alto

Average highs run from 90°F on September 1 to 82°F on September 30, and lows from 70°F to 63°F. Normal precipitation for the month is 3.67 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 Alto, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
67°F
Precipitation
3.67 in
Record high
110°FSep 5, 2000
Record low
40°FSep 27, 1942
Chance of a freeze
0%
Days of 90°F or more
10.7
Daylight
12 h 48 min to 11 h 52 min
Cloud cover
46%
Humidity
69%
Dew point
65°F
Wind
4.0 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 190°F70°F108°F 200059°F 196724%0%
Sep 290°F70°F109°F 200056°F 196724%0%
Sep 389°F70°F108°F 200051°F 195524%0%
Sep 489°F70°F108°F 200051°F 197424%0%
Sep 589°F70°F110°F 200049°F 197423%0%
Sep 689°F69°F101°F 194751°F 197423%0%
Sep 789°F69°F101°F 202356°F 197423%0%
Sep 888°F69°F104°F 202356°F 198823%0%
Sep 988°F69°F98°F 194751°F 197923%0%
Sep 1088°F68°F99°F 195456°F 202423%0%
Sep 1188°F68°F98°F 200057°F 195323%0%
Sep 1287°F68°F101°F 201153°F 195323%0%
Sep 1387°F68°F102°F 201152°F 194523%0%
Sep 1487°F67°F106°F 201146°F 194522%0%
Sep 1587°F67°F99°F 201149°F 194522%0%
Sep 1686°F67°F99°F 195449°F 194522%0%
Sep 1786°F67°F100°F 198048°F 194522%0%
Sep 1886°F66°F98°F 195644°F 198122%0%
Sep 1985°F66°F99°F 195649°F 198122%0%
Sep 2085°F66°F101°F 195649°F 198122%0%
Sep 2185°F65°F99°F 195445°F 198322%0%
Sep 2285°F65°F100°F 200543°F 198322%0%
Sep 2384°F65°F100°F 200545°F 199421%0%
Sep 2484°F65°F95°F 202244°F 198921%0%
Sep 2584°F64°F98°F 195644°F 198921%0%
Sep 2683°F64°F99°F 201144°F 200021%0%
Sep 2783°F64°F100°F 200540°F 194221%0%
Sep 2883°F63°F98°F 195342°F 196721%0%
Sep 2982°F63°F96°F 195343°F 194221%0%
Sep 3082°F63°F98°F 201143°F 198421%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alto, 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 6:56 AM, sunset 7:44 PM
September 30
sunrise 7:14 AM, sunset 7:06 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417841 (Rusk), public domain. Records: NOAA GHCN-Daily, station USC00417841, 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.