Clay climate

Clay Weather in September

NOAA 1991-2020 normals for Clendenin, 23.2 km from Clay

Average highs run from 84°F on September 1 to 75°F on September 30, and lows from 61°F to 51°F. Normal precipitation for the month is 3.88 in over about 9 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 Clay, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
57°F
Precipitation
3.88 in
Record high
102°FSep 2, 1953
Record low
34°FSep 21, 1956
Chance of a freeze
0%
Days of 90°F or more
1.5
Daylight
13 h 00 min to 11 h 50 min
Cloud cover
57%
Humidity
67%
Dew point
55°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 184°F61°F101°F 195348°F 196729%0%
Sep 284°F61°F102°F 195344°F 194929%0%
Sep 383°F61°F101°F 195345°F 196729%0%
Sep 483°F61°F95°F 195344°F 199729%0%
Sep 583°F60°F97°F 195445°F 199729%0%
Sep 683°F60°F96°F 200745°F 195029%0%
Sep 782°F60°F95°F 196445°F 198829%0%
Sep 882°F59°F94°F 200243°F 202429%0%
Sep 982°F59°F96°F 196442°F 202429%0%
Sep 1082°F59°F97°F 201942°F 194929%0%
Sep 1181°F59°F95°F 198344°F 195829%0%
Sep 1281°F58°F95°F 201944°F 199329%0%
Sep 1381°F58°F98°F 195243°F 196729%0%
Sep 1480°F57°F96°F 199838°F 195329%0%
Sep 1580°F57°F91°F 195540°F 196429%0%
Sep 1680°F57°F94°F 202641°F 200730%0%
Sep 1779°F56°F93°F 195539°F 200030%0%
Sep 1879°F56°F92°F 195342°F 196130%0%
Sep 1979°F56°F93°F 198337°F 195930%0%
Sep 2078°F55°F92°F 202438°F 195630%0%
Sep 2178°F55°F91°F 201034°F 195631%0%
Sep 2278°F54°F94°F 202439°F 199931%0%
Sep 2377°F54°F94°F 201036°F 196331%0%
Sep 2477°F54°F93°F 200734°F 196331%0%
Sep 2576°F53°F93°F 200735°F 196731%0%
Sep 2676°F53°F90°F 200740°F 195032%0%
Sep 2776°F52°F92°F 201740°F 199132%0%
Sep 2875°F52°F92°F 195938°F 198932%0%
Sep 2975°F51°F96°F 195334°F 195132%0%
Sep 3075°F51°F94°F 195337°F 196732%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clay, 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 (EDT).

September 1
sunrise 6:54 AM, sunset 7:54 PM
September 30
sunrise 7:19 AM, sunset 7:09 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00461723 (Clendenin), public domain. Records: NOAA GHCN-Daily, station USW00013866, 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.