Oronoco climate

Oronoco Weather in September

NOAA 1991-2020 normals for Byron 4NORTH, 11.8 km from Oronoco

Average highs run from 77°F on September 1 to 66°F on September 30, and lows from 52°F to 40°F. Normal precipitation for the month is 3.47 in over about 10 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 Oronoco, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
47°F
Precipitation
3.47 in
Record high
100°FSep 6, 1913
Record low
22°FSep 28, 1893
Chance of a freeze
59%
Days of 90°F or more
0.7
Daylight
13 h 13 min to 11 h 46 min
Cloud cover
53%
Humidity
73%
Dew point
51°F
Wind
10.3 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°F52°F94°F 193734°F 190935%0%
Sep 276°F52°F94°F 192935°F 190935%0%
Sep 376°F52°F94°F 193733°F 197434%0%
Sep 476°F51°F95°F 189336°F 197434%0%
Sep 576°F51°F94°F 191334°F 191834%0%
Sep 675°F51°F100°F 191336°F 193234%0%
Sep 775°F50°F96°F 191334°F 193434%0%
Sep 875°F50°F97°F 193137°F 199534%0%
Sep 974°F50°F97°F 195537°F 196934%0%
Sep 1074°F49°F98°F 193129°F 191734%0%
Sep 1174°F49°F94°F 193124°F 191734%0%
Sep 1274°F49°F94°F 194830°F 195534%0%
Sep 1373°F48°F93°F 190832°F 195334%0%
Sep 1473°F48°F95°F 193933°F 192934%0%
Sep 1573°F47°F96°F 193931°F 201133%0%
Sep 1672°F47°F96°F 193928°F 193733%0%
Sep 1772°F47°F94°F 195529°F 191633%0%
Sep 1871°F46°F93°F 195526°F 192933%0%
Sep 1971°F46°F92°F 190830°F 192933%0%
Sep 2071°F45°F92°F 190828°F 199133%0%
Sep 2170°F45°F94°F 190827°F 191833%0%
Sep 2270°F44°F95°F 190824°F 197433%0%
Sep 2369°F44°F92°F 193728°F 198933%0%
Sep 2469°F43°F89°F 201727°F 194233%0%
Sep 2569°F43°F89°F 195626°F 189333%0%
Sep 2668°F42°F86°F 190826°F 189333%0%
Sep 2768°F42°F86°F 194328°F 194233%0%
Sep 2867°F41°F83°F 195222°F 189332%0%
Sep 2967°F41°F86°F 195323°F 196732%0%
Sep 3066°F40°F90°F 202324°F 193932%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oronoco, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:33 AM, sunset 7:46 PM
September 30
sunrise 7:07 AM, sunset 6:53 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00211174 (Byron 4NORTH), public domain. Records: NOAA GHCN-Daily, station USW00014925, 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.