Warsaw climate

Warsaw Weather in September

NOAA 1991-2020 normals for Truman Dam & Rsvr, 3.3 km from Warsaw

Average highs run from 86°F on September 1 to 76°F on September 30, and lows from 64°F to 53°F. Normal precipitation for the month is 4.11 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 Warsaw, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
59°F
Precipitation
4.11 in
Record high
105°FSep 3, 2000
Record low
29°FSep 24, 1989
Chance of a freeze
0%
Days of 90°F or more
4.9
Daylight
13 h 00 min to 11 h 50 min
Cloud cover
45%
Humidity
69%
Dew point
58°F
Wind
6.9 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 186°F64°F104°F 200047°F 198728%0%
Sep 286°F64°F103°F 200050°F 198728%0%
Sep 386°F63°F105°F 200052°F 198128%0%
Sep 485°F63°F101°F 202652°F 198128%0%
Sep 585°F63°F102°F 202650°F 199728%0%
Sep 685°F62°F104°F 202642°F 198828%0%
Sep 785°F62°F101°F 199043°F 198828%0%
Sep 884°F62°F97°F 200244°F 198628%0%
Sep 984°F61°F102°F 202645°F 198628%0%
Sep 1084°F61°F101°F 202648°F 202428%0%
Sep 1183°F60°F97°F 199048°F 199228%0%
Sep 1283°F60°F99°F 200048°F 199228%0%
Sep 1383°F60°F97°F 202544°F 201428%0%
Sep 1482°F59°F97°F 202547°F 199628%0%
Sep 1582°F59°F97°F 202646°F 202328%0%
Sep 1682°F59°F100°F 202640°F 202328%0%
Sep 1781°F58°F96°F 202541°F 198427%0%
Sep 1881°F58°F96°F 202538°F 198127%0%
Sep 1981°F57°F95°F 198341°F 199127%0%
Sep 2080°F57°F98°F 202237°F 198827%0%
Sep 2180°F56°F97°F 201642°F 198327%0%
Sep 2280°F56°F97°F 202239°F 199527%0%
Sep 2379°F56°F94°F 201633°F 199527%0%
Sep 2479°F55°F94°F 201729°F 198927%0%
Sep 2578°F55°F94°F 201731°F 198927%0%
Sep 2678°F54°F89°F 201736°F 198527%0%
Sep 2778°F54°F91°F 199035°F 198527%0%
Sep 2877°F53°F91°F 199038°F 198927%0%
Sep 2977°F53°F91°F 199037°F 199227%0%
Sep 3076°F53°F91°F 200232°F 198427%0%

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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:43 AM, sunset 7:43 PM
September 30
sunrise 7:08 AM, sunset 6:58 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00238466 (Truman Dam & Rsvr), public domain. Records: NOAA GHCN-Daily, station USC00238466, 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.