Warsaw climate

Warsaw Weather in September

NOAA 1991-2020 normals for Glencoe 6 Nw, 0.7 km from Warsaw

Average highs run from 82°F on September 1 to 74°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 3.38 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Warsaw, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
78°F
Average low
54°F
Precipitation
3.38 in
Record high
102°FSep 1, 1953
Record low
31°FSep 30, 1993
Chance of a freeze
1%
Days of 90°F or more
1.7
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
48%
Humidity
68%
Dew point
55°F
Wind
4.5 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 182°F59°F102°F 195345°F 19870%
Sep 282°F59°F102°F 195345°F 19490%
Sep 382°F58°F100°F 201149°F 19520%
Sep 482°F58°F97°F 202645°F 19520%
Sep 581°F58°F100°F 195444°F 19970%
Sep 681°F57°F101°F 195444°F 19880%
Sep 781°F57°F95°F 196441°F 19880%
Sep 881°F57°F96°F 200244°F 19560%
Sep 980°F57°F96°F 196443°F 19980%
Sep 1080°F56°F98°F 196445°F 19690%
Sep 1180°F56°F93°F 198340°F 19930%
Sep 1280°F56°F94°F 201944°F 19550%
Sep 1379°F55°F94°F 201940°F 19530%
Sep 1479°F55°F95°F 199837°F 19640%
Sep 1579°F55°F92°F 195441°F 19640%
Sep 1679°F54°F93°F 197043°F 19850%
Sep 1778°F54°F93°F 195541°F 20000%
Sep 1878°F54°F95°F 195344°F 19590%
Sep 1978°F53°F93°F 195539°F 19730%
Sep 2077°F53°F93°F 202439°F 19560%
Sep 2177°F53°F94°F 197035°F 19620%
Sep 2277°F52°F94°F 201035°F 19760%
Sep 2376°F52°F95°F 201034°F 19830%
Sep 2476°F52°F94°F 200733°F 19830%
Sep 2576°F51°F93°F 200735°F 19500%
Sep 2675°F51°F89°F 199837°F 19500%
Sep 2775°F50°F91°F 201937°F 19910%
Sep 2875°F50°F93°F 201939°F 19620%
Sep 2974°F50°F97°F 195333°F 19620%
Sep 3074°F49°F94°F 201931°F 19930%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Warsaw, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:09 AM, sunset 8:10 PM
September 30
sunrise 7:35 AM, sunset 7:24 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00153250 (Glencoe 6 Nw), public domain. Records: NOAA GHCN-Daily, station USW00093814, 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.