Lawrence County climate

Lawrence County Weather in September

NOAA 1991-2020 normals for Waterloo, 12.6 km from Lawrence County

Average highs run from 83°F on September 1 to 74°F on September 30, and lows from 57°F to 46°F. Normal precipitation for the month is 3.88 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 Lawrence County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
52°F
Precipitation
3.88 in
Record high
101°FSep 1, 1932
Record low
27°FSep 23, 1974
Chance of a freeze
4%
Days of 90°F or more
3.7
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
51%
Humidity
66%
Dew point
55°F
Wind
3.4 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 183°F57°F101°F 193240°F 198734%0%
Sep 283°F57°F100°F 195336°F 198734%0%
Sep 383°F57°F101°F 195338°F 198734%0%
Sep 483°F56°F101°F 195340°F 198834%0%
Sep 582°F56°F97°F 192538°F 197434%0%
Sep 682°F56°F100°F 195436°F 192434%0%
Sep 782°F55°F97°F 195430°F 198834%0%
Sep 882°F55°F100°F 193932°F 198834%0%
Sep 981°F55°F99°F 192530°F 198833%0%
Sep 1081°F54°F98°F 200241°F 198633%0%
Sep 1181°F54°F99°F 192539°F 197633%0%
Sep 1280°F54°F96°F 193140°F 197633%0%
Sep 1380°F53°F97°F 193940°F 199233%0%
Sep 1480°F53°F100°F 193935°F 198533%0%
Sep 1580°F53°F99°F 199832°F 196433%0%
Sep 1679°F52°F99°F 193939°F 200032%0%
Sep 1779°F52°F96°F 193137°F 200032%0%
Sep 1879°F52°F96°F 192535°F 199632%0%
Sep 1978°F51°F98°F 196536°F 199632%0%
Sep 2078°F51°F98°F 192537°F 193732%0%
Sep 2177°F50°F96°F 193132°F 196232%0%
Sep 2277°F50°F96°F 193134°F 196232%0%
Sep 2377°F50°F93°F 193627°F 197433%0%
Sep 2476°F49°F94°F 200527°F 197433%0%
Sep 2576°F49°F92°F 196135°F 199233%0%
Sep 2676°F48°F94°F 200532°F 192833%0%
Sep 2775°F48°F94°F 199837°F 192833%0%
Sep 2875°F47°F94°F 195934°F 194232%0%
Sep 2975°F47°F94°F 195331°F 194232%0%
Sep 3074°F46°F98°F 195332°F 199232%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lawrence County, 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 (EDT).

September 1
sunrise 6:59 AM, sunset 8:00 PM
September 30
sunrise 7:25 AM, sunset 7:14 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00338810 (Waterloo), public domain. Records: NOAA GHCN-Daily, station USC00150254, 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.