Avoca climate

Avoca Weather in September

NOAA 1991-2020 normals for Harlan, 18.7 km from Avoca

Average highs run from 82°F on September 1 to 74°F on September 30, and lows from 57°F to 46°F. Normal precipitation for the month is 4.00 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 Avoca, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
52°F
Precipitation
4.00 in
Record high
106°FSep 3, 2000
Record low
20°FSep 29, 1899
Chance of a freeze
22%
Days of 90°F or more
2.0
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
46%
Humidity
67%
Dew point
53°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 182°F57°F98°F 191337°F 194926%0%
Sep 282°F57°F98°F 191342°F 192426%0%
Sep 382°F56°F106°F 200035°F 197425%0%
Sep 482°F56°F100°F 191337°F 190225%0%
Sep 581°F56°F102°F 191337°F 196225%0%
Sep 681°F55°F103°F 193939°F 198825%0%
Sep 781°F55°F102°F 193938°F 193425%0%
Sep 881°F55°F99°F 201339°F 198625%0%
Sep 981°F54°F100°F 195538°F 191625%0%
Sep 1080°F54°F98°F 193137°F 192925%0%
Sep 1180°F54°F95°F 190836°F 195525%0%
Sep 1280°F53°F98°F 193929°F 190225%0%
Sep 1380°F53°F99°F 193927°F 190225%0%
Sep 1479°F52°F100°F 193937°F 192925%0%
Sep 1579°F52°F101°F 193930°F 191625%0%
Sep 1679°F52°F98°F 193131°F 190325%
Sep 1779°F51°F95°F 195530°F 190025%
Sep 1878°F51°F94°F 194728°F 190125%
Sep 1978°F50°F94°F 194829°F 199125%
Sep 2078°F50°F93°F 194028°F 191825%
Sep 2177°F50°F97°F 193725°F 191825%
Sep 2277°F49°F97°F 193726°F 191324%
Sep 2377°F49°F92°F 193829°F 198324%
Sep 2476°F48°F90°F 193529°F 194224%
Sep 2576°F48°F90°F 192029°F 190724%
Sep 2675°F48°F92°F 195627°F 192624%
Sep 2775°F47°F91°F 195628°F 192824%
Sep 2875°F47°F98°F 195325°F 194224%
Sep 2974°F46°F90°F 198120°F 189924%
Sep 3074°F46°F91°F 193727°F 189924%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Avoca, 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 6:48 AM, sunset 7:54 PM
September 30
sunrise 7:17 AM, sunset 7:05 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00133632 (Harlan), public domain. Records: NOAA GHCN-Daily, station USC00133632, 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.