Beach Park climate

Beach Park Weather in September

NOAA 1991-2020 normals for Chicago Waukegan Rgnl AP, 1 km from Beach Park

Average highs run from 78°F on September 1 to 67°F on September 30, and lows from 59°F to 48°F. Normal precipitation for the month is 3.57 in over about 12 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 Beach Park, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
54°F
Precipitation
3.57 in
Record high
96°FSep 10, 2013
Record low
34°FSep 19, 2012
Chance of a freeze
5%
Days of 90°F or more
0.5
Daylight
13 h 08 min to 11 h 46 min
Cloud cover
59%
Humidity
74%
Dew point
54°F
Wind
9.6 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 178°F59°F93°F 202643°F 200940%0%
Sep 278°F58°F93°F 202644°F 201739%0%
Sep 378°F58°F94°F 202349°F 200939%0%
Sep 477°F58°F91°F 202345°F 200939%0%
Sep 577°F57°F92°F 202345°F 200339%0%
Sep 677°F57°F93°F 201645°F 202539%0%
Sep 776°F57°F88°F 200145°F 202539%0%
Sep 876°F56°F84°F 200245°F 202439%0%
Sep 976°F56°F91°F 201345°F 200839%0%
Sep 1075°F56°F96°F 201343°F 200839%0%
Sep 1175°F55°F91°F 200544°F 201739%0%
Sep 1275°F55°F90°F 200542°F 201439%0%
Sep 1374°F55°F93°F 200539°F 201439%0%
Sep 1474°F54°F86°F 202140°F 201139%0%
Sep 1574°F54°F86°F 200435°F 201239%0%
Sep 1673°F54°F84°F 201641°F 200739%0%
Sep 1773°F53°F91°F 202142°F 201439%0%
Sep 1872°F53°F87°F 200740°F 201239%0%
Sep 1972°F52°F88°F 201634°F 201239%0%
Sep 2072°F52°F89°F 202440°F 200339%0%
Sep 2171°F52°F88°F 201037°F 200639%0%
Sep 2271°F51°F92°F 201740°F 199939%0%
Sep 2370°F51°F88°F 201036°F 201239%0%
Sep 2470°F51°F89°F 200735°F 201239%0%
Sep 2570°F50°F85°F 200738°F 200139%0%
Sep 2669°F50°F90°F 201740°F 200439%0%
Sep 2769°F49°F89°F 202541°F 201240%0%
Sep 2868°F49°F82°F 201339°F 200640%0%
Sep 2968°F49°F88°F 202535°F 201840%0%
Sep 3067°F48°F85°F 201935°F 200440%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Beach Park, 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 6:17 AM, sunset 7:25 PM
September 30
sunrise 6:48 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 USW00014880 (Chicago Waukegan Rgnl AP), public domain. Records: NOAA GHCN-Daily, station USW00014880, 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.