Ortonville climate

Ortonville Weather in September

NOAA 1991-2020 normals for Milbank, 16.4 km from Ortonville

Average highs run from 76°F on September 1 to 67°F on September 30, and lows from 53°F to 42°F. Normal precipitation for the month is 2.60 in.

September day by day

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

Normal daily high and low temperature at Ortonville, 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
48°F
Precipitation
2.60 in
Record high
99°FSep 5, 2023
Record low
28°FSep 23, 2012
Chance of a freeze
40%
Days of 90°F or more
0.5
Daylight
13 h 15 min to 11 h 45 min
Cloud cover
52%
Humidity
64%
Dew point
48°F
Wind
11.0 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 176°F53°F92°F 201351°F 20120%
Sep 276°F53°F91°F 202246°F 20130%
Sep 376°F53°F92°F 201248°F 20130%
Sep 475°F52°F95°F 202341°F 20250%
Sep 575°F52°F99°F 202341°F 20110%
Sep 675°F52°F87°F 201343°F 20170%
Sep 775°F51°F91°F 201340°F 20230%
Sep 874°F51°F98°F 201339°F 20200%
Sep 974°F51°F86°F 202636°F 20200%
Sep 1074°F50°F87°F 201333°F 20200%
Sep 1173°F50°F89°F 201235°F 20200%
Sep 1273°F50°F89°F 201237°F 20200%
Sep 1373°F49°F88°F 201735°F 20140%
Sep 1473°F49°F88°F 201737°F 20110%
Sep 1572°F48°F87°F 202530°F 20110%
Sep 1672°F48°F92°F 201831°F 2011
Sep 1772°F48°F91°F 201841°F 2013
Sep 1871°F47°F87°F 201936°F 2012
Sep 1971°F47°F89°F 201338°F 2012
Sep 2071°F46°F91°F 202343°F 2012
Sep 2170°F46°F86°F 201938°F 2013
Sep 2270°F46°F86°F 201533°F 2012
Sep 2370°F45°F89°F 201728°F 2012
Sep 2469°F45°F80°F 202030°F 2012
Sep 2569°F44°F80°F 201636°F 2011
Sep 2668°F44°F84°F 202534°F 2012
Sep 2768°F43°F88°F 202133°F 2012
Sep 2868°F43°F84°F 201530°F 2022
Sep 2967°F43°F89°F 201129°F 2018
Sep 3067°F42°F90°F 202536°F 2018

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ortonville, 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 6:48 AM, sunset 8:03 PM
September 30
sunrise 7:23 AM, sunset 7:08 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00395531 (Milbank), public domain. Records: NOAA GHCN-Daily, station USC00395531, 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.