Goodwill climate

Goodwill Weather in September

NOAA 1991-2020 normals for Sisseton, 11.2 km from Goodwill

Average highs run from 77°F on September 1 to 66°F on September 30, and lows from 55°F to 44°F. Normal precipitation for the month is 2.63 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 Goodwill, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
50°F
Precipitation
2.63 in
Record high
97°FSep 4, 2023
Record low
25°FSep 23, 2012
Chance of a freeze
36%
Days of 90°F or more
1.3
Daylight
13 h 16 min to 11 h 45 min
Cloud cover
52%
Humidity
63%
Dew point
47°F
Wind
11.4 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°F55°F93°F 202246°F 200928%0%
Sep 277°F55°F91°F 200443°F 201328%0%
Sep 377°F54°F95°F 202339°F 202528%0%
Sep 477°F54°F97°F 202336°F 202528%0%
Sep 576°F54°F94°F 200143°F 201028%0%
Sep 676°F53°F96°F 200238°F 201728%0%
Sep 776°F53°F97°F 200233°F 202528%0%
Sep 876°F53°F96°F 200235°F 202028%0%
Sep 975°F52°F94°F 200032°F 202028%0%
Sep 1075°F52°F96°F 199835°F 202028%0%
Sep 1175°F52°F89°F 199835°F 202028%0%
Sep 1274°F51°F92°F 201734°F 200728%0%
Sep 1374°F51°F94°F 201734°F 201428%0%
Sep 1473°F50°F88°F 200633°F 201128%0%
Sep 1573°F50°F93°F 201830°F 201128%0%
Sep 1673°F50°F93°F 200238°F 201328%
Sep 1772°F49°F90°F 202434°F 201228%
Sep 1872°F49°F95°F 199831°F 201228%
Sep 1971°F48°F93°F 202339°F 200628%
Sep 2071°F48°F89°F 202231°F 200628%
Sep 2171°F48°F91°F 201533°F 201328%
Sep 2270°F47°F91°F 201728°F 201228%
Sep 2370°F47°F92°F 200725°F 201228%
Sep 2469°F46°F82°F 201226°F 200228%
Sep 2569°F46°F85°F 201432°F 200328%
Sep 2668°F45°F91°F 202127°F 201228%
Sep 2768°F45°F85°F 201431°F 201227%
Sep 2867°F45°F91°F 202127°F 201827%
Sep 2967°F44°F93°F 202526°F 201827%
Sep 3066°F44°F86°F 201226°F 200327%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Goodwill, 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 6:50 AM, sunset 8:06 PM
September 30
sunrise 7:25 AM, sunset 7:10 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00397742 (Sisseton), public domain. Records: NOAA GHCN-Daily, station USW00094993, 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.