Lafayette climate

Lafayette Weather in September

NOAA 1991-2020 normals for Lafayette 2W, 3.1 km from Lafayette

Average highs run from 87°F on September 1 to 80°F on September 30, and lows from 64°F to 56°F. Normal precipitation for the month is 3.53 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 Lafayette, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
84°F
Average low
61°F
Precipitation
3.53 in
Record high
97°FSep 2, 2026
Record low
46°FSep 19, 2012
Chance of a freeze
0%
Days of 90°F or more
7.2
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
49%
Humidity
71%
Dew point
62°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 187°F64°F96°F 202464°F 199928%0%
Sep 287°F64°F97°F 202662°F 199927%0%
Sep 387°F64°F94°F 202656°F 202127%0%
Sep 487°F64°F96°F 202462°F 199927%0%
Sep 587°F63°F96°F 202462°F 199926%0%
Sep 686°F63°F95°F 199955°F 199726%0%
Sep 786°F63°F95°F 199953°F 201725%0%
Sep 886°F63°F95°F 199957°F 201125%0%
Sep 986°F62°F95°F 199953°F 202025%0%
Sep 1086°F62°F95°F 200257°F 201124%0%
Sep 1185°F62°F96°F 200257°F 201124%0%
Sep 1285°F62°F96°F 200257°F 202224%0%
Sep 1385°F62°F96°F 200254°F 201524%0%
Sep 1485°F61°F92°F 201855°F 199624%0%
Sep 1585°F61°F93°F 201855°F 199624%0%
Sep 1684°F61°F93°F 201955°F 199624%0%
Sep 1784°F60°F96°F 201955°F 199624%0%
Sep 1884°F60°F97°F 201055°F 199623%0%
Sep 1984°F60°F93°F 201046°F 201223%0%
Sep 2083°F60°F94°F 199756°F 200624%0%
Sep 2183°F59°F96°F 199753°F 200624%0%
Sep 2283°F59°F94°F 199752°F 201324%0%
Sep 2383°F59°F92°F 201649°F 199924%0%
Sep 2482°F58°F92°F 201650°F 199924%0%
Sep 2582°F58°F93°F 201651°F 200124%0%
Sep 2682°F57°F94°F 201946°F 200124%0%
Sep 2781°F57°F94°F 201946°F 200124%0%
Sep 2881°F57°F92°F 201952°F 200024%0%
Sep 2981°F56°F90°F 201949°F 200324%0%
Sep 3080°F56°F92°F 201946°F 202024%0%

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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:16 AM, sunset 7:06 PM
September 30
sunrise 6:35 AM, sunset 6:27 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00014502 (Lafayette 2W), public domain. Records: NOAA GHCN-Daily, station USC00010425, 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.