Clayton climate

Clayton Weather in September

NOAA 1991-2020 normals for Clayton, 0.8 km from Clayton

Average highs run from 89°F on September 1 to 83°F on September 30, and lows from 69°F to 62°F. Normal precipitation for the month is 3.68 in over about 6 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 Clayton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
66°F
Precipitation
3.68 in
Record high
100°FSep 18, 2010
Record low
46°FSep 30, 2006
Chance of a freeze
0%
Days of 90°F or more
10.8
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
49%
Humidity
73%
Dew point
65°F
Wind
3.6 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 189°F69°F99°F 201166°F 201023%0%
Sep 289°F69°F98°F 201166°F 201123%0%
Sep 388°F69°F97°F 201162°F 201023%0%
Sep 488°F69°F96°F 200663°F 202523%0%
Sep 588°F69°F97°F 201658°F 201022%0%
Sep 688°F68°F97°F 201057°F 201122%0%
Sep 788°F68°F99°F 201650°F 201722%0%
Sep 888°F68°F97°F 201055°F 201722%0%
Sep 988°F68°F99°F 201055°F 201121%0%
Sep 1087°F68°F99°F 201054°F 201121%0%
Sep 1187°F67°F99°F 201055°F 202521%0%
Sep 1287°F67°F98°F 201058°F 201121%0%
Sep 1387°F67°F95°F 201453°F 201520%0%
Sep 1487°F67°F97°F 201850°F 201520%0%
Sep 1586°F67°F99°F 201657°F 201520%0%
Sep 1686°F66°F97°F 201656°F 200720%0%
Sep 1786°F66°F98°F 201060°F 202520%0%
Sep 1886°F66°F100°F 201056°F 202320%0%
Sep 1986°F65°F99°F 201056°F 200720%0%
Sep 2085°F65°F100°F 201054°F 200619%0%
Sep 2185°F65°F100°F 201050°F 200619%0%
Sep 2285°F65°F99°F 202259°F 202319%0%
Sep 2385°F64°F99°F 201654°F 202119%0%
Sep 2484°F64°F100°F 201649°F 202119%0%
Sep 2584°F64°F96°F 201650°F 200819%0%
Sep 2684°F63°F96°F 201649°F 200819%0%
Sep 2784°F63°F95°F 201650°F 200619%0%
Sep 2883°F63°F95°F 201649°F 202218%0%
Sep 2983°F62°F95°F 201748°F 200618%0%
Sep 3083°F62°F92°F 201846°F 200618%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clayton, 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 6:17 AM, sunset 7:06 PM
September 30
sunrise 6:35 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 USC00011725 (Clayton), public domain. Records: NOAA GHCN-Daily, station USW00063872, 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.