Corydon climate

Corydon Weather in September

NOAA 1991-2020 normals for Louisville Mcalpine, 29.8 km from Corydon

Average highs run from 86°F on September 1 to 77°F on September 30, and lows from 66°F to 57°F. Normal precipitation for the month is 3.93 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 Corydon, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
62°F
Precipitation
3.93 in
Record high
104°FSep 5, 1954
Record low
33°FSep 30, 1949
Chance of a freeze
0%
Days of 90°F or more
7.0
Daylight
13 h 00 min to 11 h 50 min
Cloud cover
48%
Humidity
66%
Dew point
56°F
Wind
4.0 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 186°F66°F103°F 195350°F 198726%0%
Sep 285°F66°F103°F 195346°F 194925%0%
Sep 385°F65°F102°F 201150°F 195225%0%
Sep 485°F65°F102°F 195447°F 195225%0%
Sep 585°F65°F104°F 195447°F 197425%0%
Sep 685°F65°F104°F 195449°F 195325%0%
Sep 784°F64°F99°F 199046°F 196225%0%
Sep 884°F64°F97°F 200246°F 195625%0%
Sep 984°F64°F98°F 200247°F 198625%0%
Sep 1084°F63°F99°F 201946°F 194925%0%
Sep 1183°F63°F97°F 201945°F 196924%0%
Sep 1283°F63°F97°F 201946°F 196924%0%
Sep 1383°F63°F97°F 201942°F 197524%0%
Sep 1482°F62°F94°F 195441°F 196424%0%
Sep 1582°F62°F96°F 202646°F 196424%0%
Sep 1682°F62°F98°F 201945°F 196124%0%
Sep 1782°F61°F97°F 202645°F 200024%0%
Sep 1881°F61°F99°F 195348°F 195124%0%
Sep 1981°F61°F96°F 195445°F 201224%0%
Sep 2081°F60°F94°F 194843°F 195625%0%
Sep 2180°F60°F98°F 201042°F 196225%0%
Sep 2280°F60°F99°F 201040°F 198325%0%
Sep 2380°F59°F97°F 201039°F 197425%0%
Sep 2479°F59°F96°F 201039°F 194925%0%
Sep 2579°F58°F95°F 200736°F 195025%0%
Sep 2679°F58°F93°F 195841°F 196525%0%
Sep 2778°F58°F95°F 201941°F 199125%0%
Sep 2878°F57°F95°F 201943°F 195125%0%
Sep 2978°F57°F99°F 195338°F 196725%0%
Sep 3077°F57°F98°F 201933°F 194925%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Corydon, 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 7:14 AM, sunset 8:14 PM
September 30
sunrise 7:39 AM, sunset 7:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00154955 (Louisville Mcalpine), public domain. Records: NOAA GHCN-Daily, station USW00093821, 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.