Lafayette County climate

Lafayette County Weather in September

NOAA 1991-2020 normals for Mayo, 13.4 km from Lafayette County

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 5.39 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 Lafayette County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
68°F
Precipitation
5.39 in
Record high
100°FSep 8, 1910
Record low
43°FSep 30, 1967
Chance of a freeze
0%
Days of 90°F or more
16.0
Daylight
12 h 45 min to 11 h 53 min
Cloud cover
54%
Humidity
82%
Dew point
71°F
Wind
5.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 191°F71°F98°F 198460°F 192242%
Sep 291°F70°F98°F 202460°F 199941%
Sep 391°F70°F98°F 202461°F 199941%
Sep 490°F70°F96°F 192162°F 199240%
Sep 590°F70°F99°F 192162°F 196740%
Sep 690°F70°F97°F 191059°F 199739%
Sep 790°F70°F98°F 191059°F 199738%
Sep 890°F70°F100°F 191058°F 201138%
Sep 990°F69°F97°F 191060°F 192537%
Sep 1090°F69°F98°F 191054°F 192536%
Sep 1190°F69°F98°F 191056°F 191436%
Sep 1289°F69°F97°F 198457°F 192535%
Sep 1389°F69°F97°F 192060°F 191335%
Sep 1489°F68°F97°F 192057°F 202534%
Sep 1589°F68°F98°F 192055°F 202534%
Sep 1689°F68°F98°F 197255°F 202533%
Sep 1789°F68°F96°F 197253°F 199933%
Sep 1889°F67°F96°F 197256°F 198132%
Sep 1988°F67°F98°F 192146°F 198131%
Sep 2088°F67°F96°F 192147°F 198131%
Sep 2188°F67°F99°F 199754°F 198130%
Sep 2288°F66°F97°F 199050°F 191330%
Sep 2388°F66°F95°F 191047°F 191329%
Sep 2488°F66°F97°F 201152°F 199029%
Sep 2587°F65°F96°F 201152°F 199028%
Sep 2687°F65°F99°F 197253°F 197528%
Sep 2787°F65°F94°F 197253°F 195628%
Sep 2887°F64°F96°F 198652°F 196227%
Sep 2987°F64°F97°F 198645°F 196227%
Sep 3086°F64°F97°F 198643°F 196726%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lafayette County, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:10 AM, sunset 7:55 PM
September 30
sunrise 7:26 AM, sunset 7:19 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00085539 (Mayo), public domain. Records: NOAA GHCN-Daily, station USC00085099, 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.