Itasca climate

Itasca Weather in September

NOAA 1991-2020 normals for Hillsboro, 16.5 km from Itasca

Average highs run from 94°F on September 1 to 86°F on September 30, and lows from 70°F to 61°F. Normal precipitation for the month is 3.15 in over about 6 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 Itasca, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
91°F
Average low
66°F
Precipitation
3.15 in
Record high
110°FSep 1, 1939
Record low
38°FSep 27, 1942
Chance of a freeze
0%
Days of 90°F or more
17.2
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
41%
Humidity
63%
Dew point
63°F
Wind
8.1 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 194°F70°F110°F 193955°F 191518%0%
Sep 294°F70°F110°F 193956°F 191518%0%
Sep 394°F70°F107°F 193953°F 199218%0%
Sep 494°F70°F109°F 200051°F 197418%0%
Sep 593°F69°F105°F 191351°F 197418%0%
Sep 693°F69°F105°F 191351°F 197418%0%
Sep 793°F69°F105°F 192251°F 197418%0%
Sep 893°F69°F109°F 202341°F 202418%0%
Sep 992°F68°F110°F 202351°F 200418%0%
Sep 1092°F68°F103°F 193653°F 201218%0%
Sep 1192°F68°F102°F 191053°F 196818%0%
Sep 1292°F67°F101°F 191052°F 194018%0%
Sep 1391°F67°F105°F 201153°F 194018%0%
Sep 1491°F67°F108°F 201154°F 194518%0%
Sep 1591°F66°F103°F 201148°F 198918%0%
Sep 1691°F66°F102°F 202640°F 190318%0%
Sep 1790°F66°F101°F 191148°F 197918%0%
Sep 1890°F65°F102°F 192743°F 198118%0%
Sep 1990°F65°F104°F 193344°F 198118%0%
Sep 2089°F65°F104°F 195644°F 197118%0%
Sep 2189°F64°F101°F 193344°F 191818%0%
Sep 2289°F64°F102°F 192640°F 198318%0%
Sep 2388°F64°F99°F 202243°F 199518%0%
Sep 2488°F63°F99°F 193145°F 197518%0%
Sep 2588°F63°F103°F 193139°F 198918%0%
Sep 2688°F63°F103°F 201142°F 200018%0%
Sep 2787°F62°F103°F 200538°F 194218%0%
Sep 2887°F62°F102°F 195342°F 199618%0%
Sep 2987°F62°F104°F 195343°F 192418%0%
Sep 3086°F61°F101°F 201140°F 192418%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Itasca, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:04 AM, sunset 7:53 PM
September 30
sunrise 7:22 AM, sunset 7:15 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414182 (Hillsboro), public domain. Records: NOAA GHCN-Daily, station USC00414182, 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.