Humboldt County climate

Humboldt County Weather in September

NOAA 1991-2020 normals for Dakota City, 5.8 km from Humboldt County

Average highs run from 79°F on September 1 to 71°F on September 30, and lows from 56°F to 46°F. Normal precipitation for the month is 3.24 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 Humboldt County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
51°F
Precipitation
3.24 in
Record high
103°FSep 6, 1939
Record low
20°FSep 28, 1942
Chance of a freeze
14%
Days of 90°F or more
1.7
Daylight
13 h 09 min to 11 h 47 min
Cloud cover
50%
Humidity
70%
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 179°F56°F99°F 191137°F 19490%
Sep 279°F55°F98°F 191339°F 19010%
Sep 379°F55°F99°F 192532°F 19740%
Sep 478°F55°F100°F 192534°F 19740%
Sep 578°F55°F100°F 191336°F 19620%
Sep 678°F54°F103°F 193939°F 19560%
Sep 778°F54°F102°F 193936°F 19860%
Sep 878°F54°F99°F 194738°F 19860%
Sep 977°F54°F98°F 195535°F 19240%
Sep 1077°F53°F98°F 193136°F 19100%
Sep 1177°F53°F97°F 192736°F 19550%
Sep 1277°F53°F100°F 193929°F 19020%
Sep 1377°F52°F100°F 193927°F 19020%
Sep 1476°F52°F100°F 193932°F 19230%
Sep 1576°F52°F100°F 193932°F 20110%
Sep 1676°F51°F96°F 193131°F 19370%
Sep 1776°F51°F96°F 192530°F 19000%
Sep 1875°F51°F95°F 194727°F 19290%
Sep 1975°F50°F97°F 194831°F 19910%
Sep 2075°F50°F92°F 194030°F 19910%
Sep 2174°F50°F97°F 193730°F 19990%
Sep 2274°F49°F97°F 193726°F 19130%
Sep 2374°F49°F90°F 193827°F 19130%
Sep 2473°F48°F89°F 193528°F 19420%
Sep 2573°F48°F91°F 192027°F 19260%
Sep 2673°F48°F92°F 195626°F 19260%
Sep 2772°F47°F92°F 195626°F 19280%
Sep 2872°F47°F91°F 193920°F 19420%
Sep 2971°F46°F88°F 198126°F 19490%
Sep 3071°F46°F91°F 195225°F 19390%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Humboldt County, 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 6:42 AM, sunset 7:51 PM
September 30
sunrise 7:13 AM, sunset 7:00 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00132041 (Dakota City), public domain. Records: NOAA GHCN-Daily, station USC00132999, 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.