Jackson County climate

Jackson County Weather in September

NOAA 1991-2020 normals for Maquoketa, 12.9 km from Jackson County

Average highs run from 79°F on September 1 to 70°F on September 30, and lows from 57°F to 46°F. Normal precipitation for the month is 3.64 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 Jackson County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
52°F
Precipitation
3.64 in
Record high
97°FSep 9, 1955
Record low
28°FSep 20, 1956
Chance of a freeze
11%
Days of 90°F or more
1.3
Daylight
13 h 08 min to 11 h 47 min
Cloud cover
50%
Humidity
72%
Dew point
54°F
Wind
9.2 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 179°F57°F95°F 195342°F 196729%0%
Sep 279°F57°F94°F 195346°F 196829%0%
Sep 378°F57°F93°F 202341°F 197429%0%
Sep 478°F56°F92°F 202338°F 197428%0%
Sep 578°F56°F92°F 195442°F 202528%0%
Sep 678°F55°F91°F 195438°F 198828%0%
Sep 778°F55°F94°F 197837°F 195628%0%
Sep 877°F55°F94°F 197837°F 198628%0%
Sep 977°F54°F97°F 195542°F 199528%0%
Sep 1077°F54°F93°F 201336°F 197628%0%
Sep 1177°F54°F90°F 197837°F 195528%0%
Sep 1276°F53°F89°F 195238°F 195528%0%
Sep 1376°F53°F88°F 199435°F 195328%0%
Sep 1476°F52°F91°F 199434°F 197428%0%
Sep 1575°F52°F89°F 199432°F 200728%0%
Sep 1675°F52°F87°F 195534°F 198428%0%
Sep 1775°F51°F90°F 198840°F 197328%0%
Sep 1874°F51°F90°F 195537°F 201228%0%
Sep 1974°F50°F88°F 202137°F 199228%0%
Sep 2074°F50°F93°F 202228°F 195628%0%
Sep 2173°F49°F88°F 200535°F 195228%0%
Sep 2273°F49°F88°F 201731°F 197428%0%
Sep 2373°F49°F89°F 201731°F 197428%0%
Sep 2472°F48°F88°F 198428°F 201228%0%
Sep 2572°F48°F87°F 201734°F 198928%0%
Sep 2671°F47°F87°F 199832°F 198428%0%
Sep 2771°F47°F88°F 195432°F 199128%0%
Sep 2870°F47°F91°F 195233°F 195128%0%
Sep 2970°F46°F93°F 195328°F 198428%0%
Sep 3070°F46°F87°F 197130°F 197228%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jackson County, 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 6:28 AM, sunset 7:36 PM
September 30
sunrise 6:58 AM, sunset 6:45 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00135131 (Maquoketa), public domain. Records: NOAA GHCN-Daily, station USW00094908, 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.