Hillsboro climate

Hillsboro Weather in September

NOAA 1991-2020 normals for Courtland 2 Wsw, 14.3 km from Hillsboro

Average highs run from 86°F on September 1 to 79°F on September 30, and lows from 65°F to 56°F. Normal precipitation for the month is 4.03 in over about 7 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 Hillsboro, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
61°F
Precipitation
4.03 in
Record high
98°FSep 21, 2010
Record low
42°FSep 24, 2012
Chance of a freeze
0%
Days of 90°F or more
6.8
Daylight
12 h 53 min to 11 h 51 min
Cloud cover
49%
Humidity
68%
Dew point
60°F
Wind
5.1 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 186°F65°F95°F 202658°F 200926%0%
Sep 286°F65°F97°F 201157°F 201726%0%
Sep 386°F65°F97°F 202658°F 201725%0%
Sep 486°F65°F97°F 202653°F 201025%0%
Sep 586°F64°F97°F 202650°F 201025%0%
Sep 686°F64°F98°F 202650°F 201025%0%
Sep 785°F64°F95°F 201049°F 201724%0%
Sep 885°F64°F93°F 201649°F 201724%0%
Sep 985°F63°F95°F 201952°F 201724%0%
Sep 1085°F63°F94°F 202653°F 201124%0%
Sep 1185°F63°F97°F 201055°F 201224%0%
Sep 1284°F62°F94°F 201954°F 201524%0%
Sep 1384°F62°F95°F 201950°F 201523%0%
Sep 1484°F62°F97°F 202646°F 201523%0%
Sep 1584°F62°F98°F 202649°F 201523%0%
Sep 1684°F61°F96°F 201949°F 200723%0%
Sep 1783°F61°F96°F 201954°F 200823%0%
Sep 1883°F61°F95°F 201955°F 202323%0%
Sep 1983°F60°F95°F 201047°F 201223%0%
Sep 2083°F60°F96°F 201046°F 201223%0%
Sep 2182°F60°F98°F 201046°F 200623%0%
Sep 2282°F59°F96°F 201047°F 202023%0%
Sep 2382°F59°F95°F 201047°F 201223%0%
Sep 2481°F59°F93°F 201042°F 201223%0%
Sep 2581°F58°F94°F 201648°F 200823%0%
Sep 2681°F58°F92°F 201947°F 200823%0%
Sep 2781°F58°F96°F 201945°F 202223%0%
Sep 2880°F57°F92°F 201945°F 202223%0%
Sep 2980°F57°F94°F 201944°F 200623%0%
Sep 3079°F56°F97°F 201947°F 200923%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hillsboro, 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 6:22 AM, sunset 7:15 PM
September 30
sunrise 6:43 AM, sunset 6:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00063868 (Courtland 2 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00063868, 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.