Sunset climate

Sunset Weather in September

NOAA 1991-2020 normals for Grand Coteau, 2.4 km from Sunset

Average highs run from 91°F on September 1 to 86°F on September 30, and lows from 71°F to 64°F. Normal precipitation for the month is 5.14 in over about 10 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 Sunset, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
88°F
Average low
68°F
Precipitation
5.14 in
Record high
106°FSep 3, 2000
Record low
42°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
14.8
Daylight
12 h 46 min to 11 h 54 min
Cloud cover
45%
Humidity
78%
Dew point
69°F
Wind
6.7 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 191°F71°F103°F 200058°F 191536%0%
Sep 291°F71°F104°F 200057°F 196736%0%
Sep 390°F71°F106°F 200056°F 201136%0%
Sep 490°F70°F104°F 200056°F 195236%0%
Sep 590°F70°F102°F 200055°F 197436%0%
Sep 690°F70°F98°F 194854°F 201136%0%
Sep 790°F70°F99°F 202355°F 198836%0%
Sep 890°F70°F99°F 202353°F 201136%0%
Sep 989°F70°F97°F 193655°F 201136%0%
Sep 1089°F69°F101°F 198057°F 192035%0%
Sep 1189°F69°F99°F 193956°F 190735%0%
Sep 1289°F69°F99°F 198052°F 194035%0%
Sep 1389°F69°F98°F 192150°F 194035%0%
Sep 1489°F68°F99°F 192153°F 196434%0%
Sep 1589°F68°F100°F 192149°F 190234%0%
Sep 1688°F68°F97°F 190051°F 201134%0%
Sep 1788°F68°F98°F 192754°F 200033%0%
Sep 1888°F67°F101°F 192750°F 190333%0%
Sep 1988°F67°F98°F 193647°F 190133%0%
Sep 2088°F67°F98°F 200550°F 190132%0%
Sep 2187°F66°F98°F 192146°F 191832%0%
Sep 2287°F66°F97°F 199344°F 198332%0%
Sep 2387°F66°F98°F 192148°F 198231%0%
Sep 2487°F66°F98°F 193648°F 199031%0%
Sep 2587°F65°F97°F 192150°F 199431%0%
Sep 2687°F65°F96°F 192147°F 189930%0%
Sep 2786°F65°F95°F 193645°F 194230%0%
Sep 2886°F64°F96°F 195344°F 189929%0%
Sep 2986°F64°F96°F 195342°F 196729%0%
Sep 3086°F64°F97°F 192844°F 196729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sunset, 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 6:45 AM, sunset 7:31 PM
September 30
sunrise 7:01 AM, sunset 6:55 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00163800 (Grand Coteau), public domain. Records: NOAA GHCN-Daily, station USC00163800, 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.