Dell Rapids climate

Dell Rapids Weather in September

NOAA 1991-2020 normals for Sioux Falls 14 Nne, 12.2 km from Dell Rapids

Average highs run from 77°F on September 1 to 68°F on September 30, and lows from 55°F to 44°F. Normal precipitation for the month is 3.08 in over about 9 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 Dell Rapids, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
49°F
Precipitation
3.08 in
Record high
101°FSep 2, 2023
Record low
30°FSep 23, 2012
Chance of a freeze
38%
Days of 90°F or more
0.7
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
50%
Humidity
66%
Dew point
49°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°F94°F 202255°F 201628%0%
Sep 277°F54°F101°F 202355°F 201428%0%
Sep 377°F54°F97°F 202349°F 202528%0%
Sep 476°F54°F99°F 202346°F 202528%0%
Sep 576°F53°F91°F 202643°F 201128%0%
Sep 676°F53°F90°F 202141°F 202528%0%
Sep 776°F53°F89°F 202238°F 202528%0%
Sep 876°F52°F94°F 202243°F 202028%0%
Sep 975°F52°F85°F 202441°F 202028%0%
Sep 1075°F51°F89°F 201241°F 202029%0%
Sep 1175°F51°F97°F 201244°F 201529%0%
Sep 1275°F51°F89°F 202541°F 201429%0%
Sep 1374°F50°F91°F 202540°F 201429%0%
Sep 1474°F50°F91°F 202238°F 201129%0%
Sep 1574°F50°F92°F 201832°F 201129%
Sep 1674°F49°F93°F 202141°F 201429%
Sep 1773°F49°F88°F 201941°F 201729%
Sep 1873°F48°F86°F 202336°F 201229%
Sep 1973°F48°F88°F 202141°F 201529%
Sep 2072°F48°F94°F 202245°F 201229%
Sep 2172°F47°F90°F 201641°F 201129%
Sep 2272°F47°F93°F 201733°F 201229%
Sep 2371°F46°F88°F 201630°F 201229%
Sep 2471°F46°F83°F 201740°F 201129%
Sep 2570°F46°F85°F 202539°F 201130%
Sep 2670°F45°F91°F 202136°F 201230%
Sep 2769°F45°F88°F 202434°F 201230%
Sep 2869°F44°F90°F 202437°F 202230%
Sep 2969°F44°F92°F 202536°F 201830%
Sep 3068°F44°F92°F 202338°F 201130%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dell Rapids, 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 8:02 PM
September 30
sunrise 7:23 AM, sunset 7:09 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00004990 (Sioux Falls 14 Nne), public domain. Records: NOAA GHCN-Daily, station USC00397666, 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.