Brodhead climate

Brodhead Weather in September

NOAA 1991-2020 normals for Mt Vernon, 8.8 km from Brodhead

Average highs run from 83°F on September 1 to 75°F on September 30, and lows from 61°F to 51°F. Normal precipitation for the month is 3.54 in over about 8 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 Brodhead, 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
57°F
Precipitation
3.54 in
Record high
100°FSep 3, 2011
Record low
29°FSep 30, 1993
Chance of a freeze
0%
Days of 90°F or more
2.3
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
50%
Humidity
68%
Dew point
56°F
Wind
5.1 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°F61°F97°F 201148°F 198726%0%
Sep 283°F61°F98°F 201142°F 198726%0%
Sep 383°F61°F100°F 201146°F 198726%0%
Sep 483°F61°F97°F 198342°F 199726%0%
Sep 582°F60°F96°F 200738°F 199726%0%
Sep 682°F60°F98°F 199841°F 198426%0%
Sep 782°F60°F95°F 199038°F 198826%0%
Sep 882°F59°F94°F 199844°F 202426%0%
Sep 982°F59°F97°F 199038°F 199826%0%
Sep 1081°F59°F98°F 201941°F 199826%0%
Sep 1181°F58°F95°F 198340°F 199326%0%
Sep 1281°F58°F96°F 201944°F 199326%0%
Sep 1380°F58°F97°F 201944°F 198526%0%
Sep 1480°F57°F95°F 199838°F 198527%0%
Sep 1580°F57°F95°F 199843°F 198327%0%
Sep 1679°F57°F94°F 201937°F 198527%0%
Sep 1779°F56°F94°F 199834°F 200027%0%
Sep 1879°F56°F91°F 199839°F 198127%0%
Sep 1978°F56°F90°F 202242°F 198127%0%
Sep 2078°F55°F93°F 202236°F 199127%0%
Sep 2178°F55°F91°F 201936°F 199127%0%
Sep 2277°F54°F90°F 200531°F 198328%0%
Sep 2377°F54°F94°F 201033°F 198328%0%
Sep 2477°F54°F92°F 200730°F 198328%0%
Sep 2576°F53°F92°F 200730°F 198328%0%
Sep 2676°F53°F91°F 199834°F 200128%0%
Sep 2776°F52°F90°F 201932°F 199128%0%
Sep 2875°F52°F93°F 201935°F 199328%0%
Sep 2975°F51°F93°F 201932°F 199328%0%
Sep 3075°F51°F95°F 201929°F 199328%0%

Chance of rain

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

September 1
sunrise 7:08 AM, sunset 8:06 PM
September 30
sunrise 7:32 AM, sunset 7:22 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00155648 (Mt Vernon), public domain. Records: NOAA GHCN-Daily, station USC00151890, 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.