Avon climate

Avon Weather in September

NOAA 1991-2020 normals for Avon, 0.8 km from Avon

Average highs run from 80°F on September 1 to 72°F on September 30, and lows from 56°F to 46°F. Normal precipitation for the month is 3.65 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 Avon, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
51°F
Precipitation
3.65 in
Record high
100°FSep 2, 2011
Record low
34°FSep 15, 2007
Chance of a freeze
4%
Days of 90°F or more
1.9
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
46%
Humidity
69%
Dew point
55°F
Wind
8.7 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 180°F56°F95°F 201147°F 200924%0%
Sep 280°F55°F100°F 201148°F 200924%0%
Sep 380°F55°F97°F 201147°F 201724%0%
Sep 480°F55°F95°F 201151°F 201023%0%
Sep 580°F54°F95°F 201550°F 201023%0%
Sep 679°F54°F92°F 201443°F 201123%0%
Sep 779°F54°F95°F 201543°F 201123%0%
Sep 879°F53°F92°F 200543°F 202423%0%
Sep 979°F53°F90°F 200543°F 202423%0%
Sep 1079°F53°F99°F 201346°F 202423%0%
Sep 1178°F52°F98°F 201348°F 200823%0%
Sep 1278°F52°F93°F 201343°F 200723%0%
Sep 1378°F52°F93°F 200537°F 201423%0%
Sep 1478°F52°F91°F 200537°F 201423%0%
Sep 1577°F51°F88°F 201834°F 200723%0%
Sep 1677°F51°F89°F 201737°F 201123%0%
Sep 1777°F51°F90°F 201842°F 201422%0%
Sep 1877°F50°F91°F 200743°F 201222%0%
Sep 1976°F50°F92°F 200743°F 201222%0%
Sep 2076°F50°F93°F 201338°F 200622%0%
Sep 2176°F49°F95°F 201738°F 200622%0%
Sep 2275°F49°F92°F 201044°F 201422%0%
Sep 2375°F49°F94°F 201735°F 201222%0%
Sep 2475°F48°F93°F 201734°F 201222%0%
Sep 2574°F48°F92°F 200734°F 201222%0%
Sep 2674°F48°F90°F 201741°F 200322%0%
Sep 2773°F47°F88°F 201741°F 201822%0%
Sep 2873°F47°F89°F 202139°F 202222%0%
Sep 2973°F47°F85°F 201438°F 202223%0%
Sep 3072°F46°F87°F 201436°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Avon, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:29 AM, sunset 7:34 PM
September 30
sunrise 6:57 AM, sunset 6:45 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00110356 (Avon), public domain. Records: NOAA GHCN-Daily, station USC00116970, 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.