Clermont climate

Clermont Weather in September

NOAA 1991-2020 normals for Postville, 12.2 km from Clermont

Average highs run from 78°F on September 1 to 69°F on September 30, and lows from 55°F to 43°F. Normal precipitation for the month is 3.96 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 Clermont, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
49°F
Precipitation
3.96 in
Record high
100°FSep 1, 1913
Record low
18°FSep 26, 1926
Chance of a freeze
40%
Days of 90°F or more
0.6
Daylight
13 h 10 min to 11 h 46 min
Cloud cover
51%
Humidity
74%
Dew point
53°F
Wind
9.6 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 178°F55°F100°F 191333°F 194928%0%
Sep 278°F54°F99°F 191338°F 196728%0%
Sep 378°F54°F98°F 193936°F 195228%0%
Sep 478°F54°F98°F 202335°F 193028%0%
Sep 577°F53°F97°F 191338°F 191828%0%
Sep 677°F53°F99°F 192237°F 195028%0%
Sep 777°F53°F100°F 193933°F 195628%0%
Sep 877°F52°F98°F 193336°F 194928%0%
Sep 976°F52°F100°F 195535°F 192428%0%
Sep 1076°F52°F96°F 189534°F 196728%0%
Sep 1176°F51°F97°F 189528°F 195529%0%
Sep 1275°F51°F96°F 193128°F 195529%0%
Sep 1375°F50°F96°F 192731°F 190229%0%
Sep 1475°F50°F97°F 193928°F 192329%0%
Sep 1575°F50°F96°F 193930°F 200728%0%
Sep 1674°F49°F98°F 193132°F 191628%0%
Sep 1774°F49°F94°F 195532°F 191628%0%
Sep 1874°F48°F94°F 195527°F 192928%0%
Sep 1973°F48°F96°F 194828°F 192929%0%
Sep 2073°F48°F93°F 193128°F 189729%0%
Sep 2172°F47°F96°F 193730°F 199929%0%
Sep 2272°F47°F96°F 193725°F 197428%0%
Sep 2372°F46°F94°F 201728°F 199528%0%
Sep 2471°F46°F93°F 201728°F 201228%0%
Sep 2571°F45°F91°F 201725°F 192628%0%
Sep 2670°F45°F88°F 198618°F 192628%0%
Sep 2770°F45°F86°F 192928°F 195728%0%
Sep 2870°F44°F89°F 193925°F 193028%0%
Sep 2969°F44°F88°F 195321°F 194928%0%
Sep 3069°F43°F91°F 202318°F 189928%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clermont, 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 (CDT).

September 1
sunrise 6:31 AM, sunset 7:41 PM
September 30
sunrise 7:03 AM, sunset 6:49 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00136766 (Postville), public domain. Records: NOAA GHCN-Daily, station USC00132110, 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.