Winfield climate

Winfield Weather in September

NOAA 1991-2020 normals for Columbus Junction, 18.4 km from Winfield

Average highs run from 81°F on September 1 to 71°F on September 30, and lows from 57°F to 46°F. Normal precipitation for the month is 3.75 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 Winfield, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
52°F
Precipitation
3.75 in
Record high
101°FSep 1, 1953
Record low
23°FSep 28, 1942
Chance of a freeze
23%
Days of 90°F or more
1.8
Daylight
13 h 06 min to 11 h 47 min
Cloud cover
47%
Humidity
69%
Dew point
54°F
Wind
9.2 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 181°F57°F101°F 195341°F 194927%0%
Sep 281°F57°F101°F 200041°F 194627%0%
Sep 380°F57°F99°F 193940°F 190127%0%
Sep 480°F56°F101°F 192539°F 197427%0%
Sep 580°F56°F100°F 189941°F 190226%0%
Sep 680°F55°F101°F 189938°F 198826%0%
Sep 779°F55°F100°F 193938°F 195626%0%
Sep 879°F55°F98°F 192238°F 198626%0%
Sep 979°F54°F98°F 194740°F 194326%0%
Sep 1079°F54°F100°F 201337°F 191026%0%
Sep 1178°F53°F98°F 193636°F 191726%0%
Sep 1278°F53°F98°F 192735°F 195526%0%
Sep 1378°F53°F98°F 192735°F 195326%0%
Sep 1477°F52°F99°F 193935°F 192326%0%
Sep 1577°F52°F101°F 193935°F 200726%0%
Sep 1677°F51°F95°F 193935°F 191626%0%
Sep 1776°F51°F99°F 192733°F 190326%0%
Sep 1876°F51°F96°F 195332°F 190126%0%
Sep 1975°F50°F96°F 194833°F 190226%0%
Sep 2075°F50°F93°F 194029°F 199125%0%
Sep 2175°F49°F95°F 202233°F 191825%0%
Sep 2274°F49°F95°F 193731°F 191325%0%
Sep 2374°F48°F91°F 193732°F 198325%0%
Sep 2473°F48°F93°F 201728°F 194225%0%
Sep 2573°F48°F89°F 192031°F 201225%0%
Sep 2672°F47°F92°F 195330°F 192625%0%
Sep 2772°F47°F91°F 199031°F 194225%0%
Sep 2872°F46°F100°F 195323°F 194225%0%
Sep 2971°F46°F98°F 195325°F 189925%0%
Sep 3071°F46°F91°F 195232°F 192425%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Winfield, 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 6:32 AM, sunset 7:38 PM
September 30
sunrise 7:02 AM, sunset 6:49 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131731 (Columbus Junction), public domain. Records: NOAA GHCN-Daily, station USC00135796, 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.