Perry County climate

Perry County Weather in September

NOAA 1991-2020 normals for Carlisle Wtp, 20.1 km from Perry County

Average highs run from 82°F on September 1 to 72°F on September 30, and lows from 58°F to 48°F. Normal precipitation for the month is 4.96 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 Perry County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
53°F
Precipitation
4.96 in
Record high
102°FSep 2, 1953
Record low
30°FSep 24, 1963
Chance of a freeze
2%
Days of 90°F or more
3.1
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
57%
Humidity
71%
Dew point
53°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 182°F58°F98°F 195347°F 196732%0%
Sep 282°F58°F102°F 195345°F 194932%0%
Sep 381°F57°F102°F 195343°F 196731%0%
Sep 481°F57°F99°F 202346°F 194631%0%
Sep 581°F57°F97°F 202347°F 197431%0%
Sep 681°F57°F97°F 202346°F 198831%0%
Sep 780°F56°F97°F 202346°F 196231%0%
Sep 880°F56°F99°F 193945°F 198831%0%
Sep 980°F56°F96°F 194147°F 195131%0%
Sep 1079°F55°F97°F 198342°F 195631%0%
Sep 1179°F55°F97°F 196445°F 194931%0%
Sep 1279°F55°F92°F 196142°F 194331%0%
Sep 1379°F54°F93°F 195240°F 194331%0%
Sep 1478°F54°F91°F 201639°F 196431%0%
Sep 1578°F54°F94°F 194241°F 196331%0%
Sep 1678°F53°F96°F 197042°F 198831%0%
Sep 1777°F53°F93°F 197241°F 195931%0%
Sep 1877°F53°F92°F 196540°F 195931%0%
Sep 1976°F52°F92°F 196537°F 194331%0%
Sep 2076°F52°F90°F 198337°F 197931%0%
Sep 2176°F51°F93°F 196535°F 195631%0%
Sep 2275°F51°F95°F 197039°F 199131%0%
Sep 2375°F51°F94°F 197036°F 196331%0%
Sep 2475°F50°F97°F 197030°F 196331%0%
Sep 2574°F50°F93°F 197031°F 196331%0%
Sep 2674°F49°F91°F 197036°F 194332%0%
Sep 2773°F49°F92°F 201734°F 194732%0%
Sep 2873°F49°F90°F 201932°F 194732%0%
Sep 2973°F48°F89°F 195335°F 194232%0%
Sep 3072°F48°F89°F 195335°F 194232%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Perry County, 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 6:36 AM, sunset 7:41 PM
September 30
sunrise 7:05 AM, sunset 6:53 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00361920 (Carlisle Wtp), public domain. Records: NOAA GHCN-Daily, station USW00014751, 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.