Aurora climate

Aurora Weather in September

NOAA 1991-2020 normals for Embarrass, 12.6 km from Aurora

Average highs run from 72°F on September 1 to 59°F on September 30, and lows from 45°F to 36°F. Normal precipitation for the month is 3.86 in over about 11 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
66°F
Average low
41°F
Precipitation
3.86 in
Record high
94°FSep 4, 2023
Record low
27°FSep 22, 1995
Chance of a freeze
95%
Daylight
13 h 21 min to 11 h 43 min
Cloud cover
66%
Humidity
74%
Dew point
46°F
Wind
6.3 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 172°F45°F84°F 201338°F 199433%0%
Sep 272°F45°F85°F 200839°F 199434%0%
Sep 371°F45°F92°F 202340°F 199434%0%
Sep 471°F44°F94°F 202336°F 202034%0%
Sep 571°F44°F94°F 202337°F 198834%0%
Sep 670°F44°F87°F 199833°F 202034%0%
Sep 770°F44°F90°F 200233°F 202034%0%
Sep 870°F43°F88°F 200231°F 202034%0%
Sep 969°F43°F84°F 201136°F 199534%0%
Sep 1069°F43°F86°F 200531°F 202035%
Sep 1168°F42°F86°F 200531°F 200735%
Sep 1268°F42°F84°F 201135°F 201435%
Sep 1368°F42°F83°F 202433°F 201435%
Sep 1467°F42°F83°F 201730°F 200735%
Sep 1567°F41°F83°F 201731°F 200735%
Sep 1666°F41°F82°F 202432°F 199335%
Sep 1766°F41°F86°F 202432°F 202036%
Sep 1865°F40°F84°F 202429°F 202036%
Sep 1965°F40°F84°F 200028°F 202036%
Sep 2064°F40°F84°F 202132°F 199136%
Sep 2164°F39°F81°F 202232°F 199136%
Sep 2263°F39°F81°F 202327°F 199537%
Sep 2363°F39°F81°F 200727°F 199537%
Sep 2462°F38°F80°F 200728°F 201237%
Sep 2562°F38°F80°F 202028°F 201237%
Sep 2661°F37°F78°F 202431°F 198937%
Sep 2761°F37°F82°F 202428°F 199137%
Sep 2860°F37°F83°F 198728°F 200037%
Sep 2960°F36°F84°F 202428°F 200037%
Sep 3059°F36°F82°F 202527°F 200337%

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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:28 AM, sunset 7:49 PM
September 30
sunrise 7:07 AM, sunset 6:50 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00212576 (Embarrass), public domain. Records: NOAA GHCN-Daily, station USC00212645, 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.