Lafayette climate

Lafayette Weather in September

NOAA 1991-2020 normals for Lancaster Edgar Evins Marina, 15.1 km from Lafayette

Average highs run from 87°F on September 1 to 78°F on September 30, and lows from 65°F to 56°F. Normal precipitation for the month is 4.01 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Lafayette, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
61°F
Precipitation
4.01 in
Record high
104°FSep 5, 1925
Record low
33°FSep 24, 1928
Chance of a freeze
0%
Days of 90°F or more
5.8
Daylight
12 h 55 min to 11 h 51 min
Cloud cover
50%
Humidity
69%
Dew point
58°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 187°F65°F99°F 194346°F 19460%
Sep 287°F65°F98°F 192544°F 19870%
Sep 387°F65°F101°F 192544°F 19870%
Sep 487°F65°F103°F 192547°F 19240%
Sep 587°F65°F104°F 192546°F 19970%
Sep 687°F64°F104°F 192541°F 19240%
Sep 786°F64°F104°F 192545°F 19880%
Sep 886°F64°F100°F 189645°F 20170%
Sep 986°F64°F102°F 192545°F 19580%
Sep 1086°F63°F98°F 189639°F 19240%
Sep 1185°F63°F99°F 189640°F 19760%
Sep 1285°F63°F100°F 189638°F 19400%
Sep 1385°F62°F98°F 189641°F 19400%
Sep 1484°F62°F100°F 189640°F 19640%
Sep 1584°F62°F100°F 189642°F 19230%
Sep 1684°F62°F96°F 193138°F 19160%
Sep 1783°F61°F99°F 189641°F 20000%
Sep 1883°F61°F99°F 189637°F 19370%
Sep 1983°F60°F97°F 192539°F 19160%
Sep 2082°F60°F98°F 192541°F 18960%
Sep 2182°F60°F96°F 193636°F 19180%
Sep 2281°F59°F96°F 193136°F 19830%
Sep 2381°F59°F95°F 193137°F 19270%
Sep 2481°F59°F94°F 200733°F 19280%
Sep 2580°F58°F94°F 193137°F 19900%
Sep 2680°F58°F93°F 193335°F 19280%
Sep 2779°F57°F93°F 199836°F 20010%
Sep 2879°F57°F94°F 194134°F 19420%
Sep 2979°F57°F94°F 193835°F 19420%
Sep 3078°F56°F91°F 194134°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lafayette, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:15 AM, sunset 7:10 PM
September 30
sunrise 6:37 AM, sunset 6:28 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00405035 (Lancaster Edgar Evins Marina), public domain. Records: NOAA GHCN-Daily, station USC00402009, 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.