Clinton climate

Clinton Weather in September

NOAA 1991-2020 normals for Norris, 13.8 km from Clinton

Average highs run from 83°F on September 1 to 75°F on September 30, and lows from 61°F to 51°F. Normal precipitation for the month is 4.06 in over about 8 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 Clinton, 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
56°F
Precipitation
4.06 in
Record high
100°FSep 3, 2026
Record low
37°FSep 26, 2001
Chance of a freeze
0%
Days of 90°F or more
2.2
Daylight
12 h 56 min to 11 h 50 min
Cloud cover
52%
Humidity
67%
Dew point
57°F
Wind
4.3 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 183°F61°F97°F 201158°F 199928%0%
Sep 283°F60°F99°F 202658°F 201728%0%
Sep 383°F60°F100°F 202657°F 200528%0%
Sep 483°F60°F100°F 202656°F 201028%0%
Sep 583°F60°F96°F 200750°F 201027%0%
Sep 682°F60°F95°F 202653°F 201027%0%
Sep 782°F59°F95°F 199947°F 201727%0%
Sep 882°F59°F95°F 199949°F 201727%0%
Sep 982°F59°F95°F 201651°F 202427%0%
Sep 1082°F58°F96°F 200252°F 199927%0%
Sep 1181°F58°F96°F 202652°F 199927%0%
Sep 1281°F58°F96°F 201956°F 202227%0%
Sep 1381°F58°F97°F 201950°F 201527%0%
Sep 1481°F57°F94°F 201648°F 201527%0%
Sep 1580°F57°F96°F 202651°F 201527%0%
Sep 1680°F57°F96°F 201950°F 200027%0%
Sep 1780°F56°F97°F 202646°F 200027%0%
Sep 1879°F56°F93°F 201949°F 199927%0%
Sep 1979°F55°F91°F 202448°F 201227%0%
Sep 2079°F55°F92°F 201849°F 200627%0%
Sep 2178°F55°F94°F 202445°F 200627%0%
Sep 2278°F54°F92°F 202446°F 199927%0%
Sep 2378°F54°F93°F 200740°F 199927%0%
Sep 2477°F53°F92°F 200743°F 201227%0%
Sep 2577°F53°F94°F 201644°F 200127%0%
Sep 2677°F53°F89°F 201737°F 200128%0%
Sep 2776°F52°F92°F 201941°F 200128%0%
Sep 2876°F52°F92°F 201942°F 202228%0%
Sep 2976°F51°F94°F 201943°F 200327%0%
Sep 3075°F51°F96°F 201940°F 200327%0%

Chance of rain

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

September 1
sunrise 7:08 AM, sunset 8:04 PM
September 30
sunrise 7:31 AM, sunset 7:21 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00406619 (Norris), public domain. Records: NOAA GHCN-Daily, station USW00053868, 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.