Sigourney climate

Sigourney Weather in September

NOAA 1991-2020 normals for Sigourney, 2 km from Sigourney

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 3.47 in over about 7 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 Sigourney, 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
3.47 in
Record high
100°FSep 1, 1984
Record low
27°FSep 29, 1984
Chance of a freeze
11%
Days of 90°F or more
1.7
Daylight
13 h 06 min to 11 h 47 min
Cloud cover
47%
Humidity
70%
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°F100°F 198442°F 194927%0%
Sep 280°F57°F99°F 200049°F 195227%0%
Sep 380°F56°F95°F 196040°F 197426%0%
Sep 480°F56°F96°F 202343°F 197426%0%
Sep 580°F56°F96°F 196042°F 196226%0%
Sep 680°F55°F97°F 198542°F 202526%0%
Sep 779°F55°F96°F 201339°F 202526%0%
Sep 879°F55°F95°F 197141°F 202426%0%
Sep 979°F54°F98°F 201340°F 200826%0%
Sep 1078°F54°F96°F 201343°F 196726%0%
Sep 1178°F54°F97°F 200043°F 195526%0%
Sep 1278°F53°F93°F 198438°F 200726%0%
Sep 1378°F53°F96°F 202536°F 201426%0%
Sep 1477°F52°F95°F 202538°F 201126%0%
Sep 1577°F52°F94°F 195532°F 200726%0%
Sep 1677°F52°F92°F 194837°F 198426%0%
Sep 1776°F51°F93°F 195339°F 198125%0%
Sep 1876°F51°F93°F 194840°F 197325%0%
Sep 1976°F50°F96°F 194834°F 199125%0%
Sep 2075°F50°F94°F 202232°F 200625%0%
Sep 2175°F50°F92°F 201636°F 199925%0%
Sep 2274°F49°F92°F 201733°F 199525%0%
Sep 2374°F49°F92°F 201730°F 201225%0%
Sep 2474°F48°F91°F 198433°F 201225%0%
Sep 2573°F48°F88°F 195635°F 200125%0%
Sep 2673°F48°F90°F 195329°F 198425%0%
Sep 2772°F47°F89°F 197138°F 198225%0%
Sep 2872°F47°F99°F 195333°F 202225%0%
Sep 2972°F46°F93°F 195327°F 198425%0%
Sep 3071°F46°F93°F 202331°F 200325%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sigourney, 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 6:35 AM, sunset 7:41 PM
September 30
sunrise 7:05 AM, sunset 6:52 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00137678 (Sigourney), public domain. Records: NOAA GHCN-Daily, station USW00014950, 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.