Stephenson climate

Stephenson Weather in September

NOAA 1991-2020 normals for Stephenson 5WSW, 7.9 km from Stephenson

Average highs run from 77°F on September 1 to 65°F on September 30, and lows from 51°F to 39°F.

September day by day

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

Normal daily high and low temperature at Stephenson, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
45°F
Record high
98°FSep 11, 1931
Record low
21°FSep 26, 1926
Chance of a freeze
64%
Daylight
13 h 16 min to 11 h 44 min
Cloud cover
63%
Humidity
78%
Dew point
52°F
Wind
7.8 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 177°F51°F96°F 195336°F 19490%
Sep 276°F50°F96°F 193736°F 19760%
Sep 376°F50°F95°F 195334°F 19740%
Sep 476°F50°F94°F 193736°F 19740%
Sep 576°F49°F90°F 202337°F 19880%
Sep 675°F49°F92°F 196033°F 19880%
Sep 775°F49°F93°F 196033°F 19560%
Sep 875°F48°F95°F 193138°F 19490%
Sep 974°F48°F95°F 193138°F 19490%
Sep 1074°F48°F96°F 193135°F 19240%
Sep 1173°F47°F98°F 193132°F 19430%
Sep 1273°F47°F97°F 193134°F 19640%
Sep 1373°F46°F91°F 193132°F 19230%
Sep 1472°F46°F96°F 193932°F 19740%
Sep 1572°F46°F95°F 192732°F 19640%
Sep 1671°F45°F92°F 192733°F 19590%
Sep 1771°F45°F89°F 195532°F 19590%
Sep 1871°F44°F91°F 195531°F 19740%
Sep 1970°F44°F89°F 195534°F 19370%
Sep 2070°F44°F88°F 193228°F 19560%
Sep 2169°F43°F86°F 194132°F 19560%
Sep 2269°F43°F89°F 193725°F 19740%
Sep 2368°F42°F87°F 193623°F 19740%
Sep 2468°F42°F88°F 201725°F 19890%
Sep 2567°F41°F88°F 201728°F 19470%
Sep 2667°F41°F84°F 201721°F 19260%
Sep 2766°F41°F85°F 198728°F 19890%
Sep 2866°F40°F87°F 195222°F 19420%
Sep 2966°F40°F82°F 195226°F 19490%
Sep 3065°F39°F81°F 195730°F 19390%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stephenson, 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 (CDT).

September 1
sunrise 6:12 AM, sunset 7:28 PM
September 30
sunrise 6:48 AM, sunset 6:32 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00207867 (Stephenson 5WSW), public domain. Records: NOAA GHCN-Daily, station USC00475091, 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.