Aurora climate

Aurora Weather in September

NOAA 1991-2020 normals for Aurora, 2.3 km from Aurora

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 3.37 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 Aurora, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
55°F
Precipitation
3.37 in
Record high
95°FSep 13, 2005
Record low
29°FSep 24, 2012
Chance of a freeze
2%
Days of 90°F or more
1.7
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
51%
Humidity
74%
Dew point
54°F
Wind
8.9 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 180°F60°F93°F 200041°F 200929%0%
Sep 280°F60°F93°F 202639°F 201729%0%
Sep 380°F60°F91°F 202346°F 200529%0%
Sep 480°F60°F92°F 201841°F 202529%0%
Sep 579°F59°F90°F 199943°F 200329%0%
Sep 679°F59°F92°F 201540°F 200029%0%
Sep 779°F59°F91°F 201639°F 202529%0%
Sep 879°F58°F91°F 200238°F 202529%0%
Sep 978°F58°F92°F 201342°F 199929%0%
Sep 1078°F58°F94°F 201340°F 199929%0%
Sep 1178°F57°F93°F 200041°F 199929%0%
Sep 1277°F57°F92°F 200538°F 200729%0%
Sep 1377°F57°F95°F 200536°F 201429%0%
Sep 1477°F56°F90°F 202436°F 200728%0%
Sep 1576°F56°F90°F 202432°F 200728%0%
Sep 1676°F55°F90°F 201836°F 200028%0%
Sep 1776°F55°F92°F 201839°F 199928%0%
Sep 1875°F55°F89°F 200738°F 201228%0%
Sep 1975°F54°F91°F 202135°F 201228%0%
Sep 2075°F54°F95°F 201834°F 200328%0%
Sep 2174°F53°F93°F 202436°F 199928%0%
Sep 2274°F53°F93°F 201733°F 199928%0%
Sep 2373°F52°F93°F 201731°F 201228%0%
Sep 2473°F52°F92°F 200729°F 201228%0%
Sep 2572°F52°F92°F 201736°F 200329%0%
Sep 2672°F51°F90°F 201734°F 200029%0%
Sep 2772°F51°F88°F 202134°F 202229%0%
Sep 2871°F50°F86°F 202536°F 200329%0%
Sep 2971°F50°F91°F 202531°F 202229%0%
Sep 3070°F49°F86°F 202532°F 200429%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Aurora, 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 6:19 AM, sunset 7:26 PM
September 30
sunrise 6:49 AM, sunset 6:36 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00110338 (Aurora), public domain. Records: NOAA GHCN-Daily, station USW00004808, 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.