Morris County climate

Morris County Weather in September

NOAA 1991-2020 normals for Council Grove Lake, 12.2 km from Morris County

Average highs run from 86°F on September 1 to 76°F on September 30, and lows from 63°F to 52°F. Normal precipitation for the month is 3.19 in over about 7 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 Morris County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
81°F
Average low
58°F
Precipitation
3.19 in
Record high
111°FSep 2, 2000
Record low
31°FSep 21, 1999
Chance of a freeze
2%
Days of 90°F or more
5.5
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
45%
Humidity
66%
Dew point
56°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 186°F63°F109°F 201152°F 200925%0%
Sep 286°F63°F111°F 200053°F 200325%0%
Sep 386°F63°F105°F 200049°F 200625%0%
Sep 485°F62°F101°F 202347°F 201025%0%
Sep 585°F62°F101°F 202645°F 200825%0%
Sep 685°F62°F101°F 199842°F 201125%0%
Sep 784°F61°F103°F 201343°F 201125%0%
Sep 884°F61°F105°F 202644°F 201125%0%
Sep 984°F61°F98°F 201344°F 199925%0%
Sep 1083°F60°F102°F 200041°F 196225%0%
Sep 1183°F60°F96°F 196345°F 200725%0%
Sep 1283°F59°F96°F 201139°F 201425%0%
Sep 1382°F59°F100°F 200035°F 201425%0%
Sep 1482°F59°F98°F 202640°F 196125%0%
Sep 1582°F58°F96°F 201936°F 196125%0%
Sep 1681°F58°F94°F 200639°F 199925%0%
Sep 1781°F57°F97°F 200046°F 202325%0%
Sep 1881°F57°F100°F 202241°F 200325%0%
Sep 1980°F57°F101°F 202236°F 200325%0%
Sep 2080°F56°F101°F 202237°F 199925%0%
Sep 2180°F56°F97°F 201731°F 199925%0%
Sep 2279°F55°F97°F 201735°F 199924%0%
Sep 2379°F55°F94°F 201737°F 201224%0%
Sep 2478°F54°F93°F 201741°F 200124%0%
Sep 2578°F54°F93°F 199837°F 200124%0%
Sep 2678°F53°F98°F 202135°F 200024%0%
Sep 2777°F53°F96°F 202136°F 196423%0%
Sep 2877°F53°F98°F 202334°F 196423%0%
Sep 2976°F52°F97°F 202335°F 200923%0%
Sep 3076°F52°F96°F 202335°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Morris County, 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 6:56 AM, sunset 7:57 PM
September 30
sunrise 7:22 AM, sunset 7:11 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00141867 (Council Grove Lake), public domain. Records: NOAA GHCN-Daily, station USW00003936, 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.