Plainwell climate

Plainwell Weather in September

NOAA 1991-2020 normals for Gull Lake Biological Stn, 22.3 km from Plainwell

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 58°F to 48°F. Normal precipitation for the month is 3.48 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Plainwell, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
53°F
Precipitation
3.48 in
Record high
95°FSep 23, 2017
Record low
33°FSep 19, 2020
Chance of a freeze
5%
Days of 90°F or more
1.7
Daylight
13 h 09 min to 11 h 47 min
Cloud cover
53%
Humidity
72%
Dew point
53°F
Wind
9.2 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°F58°F91°F 201144°F 20010%
Sep 280°F58°F93°F 200842°F 20170%
Sep 380°F57°F92°F 201246°F 20240%
Sep 480°F57°F92°F 202347°F 20250%
Sep 579°F57°F92°F 199944°F 20030%
Sep 679°F57°F90°F 199843°F 20110%
Sep 779°F56°F92°F 201542°F 20250%
Sep 878°F56°F91°F 200239°F 20250%
Sep 978°F56°F90°F 200242°F 20250%
Sep 1078°F55°F94°F 201342°F 20170%
Sep 1178°F55°F92°F 201944°F 20170%
Sep 1277°F54°F90°F 200544°F 20170%
Sep 1377°F54°F93°F 200543°F 20140%
Sep 1476°F54°F90°F 202138°F 20010%
Sep 1576°F53°F89°F 202439°F 20070%
Sep 1676°F53°F89°F 202436°F 20070%
Sep 1775°F53°F91°F 201738°F 20140%
Sep 1875°F52°F87°F 202441°F 20140%
Sep 1975°F52°F88°F 202433°F 20200%
Sep 2074°F52°F89°F 201840°F 20200%
Sep 2174°F51°F92°F 201738°F 20060%
Sep 2273°F51°F93°F 201736°F 19990%
Sep 2373°F50°F95°F 201738°F 20130%
Sep 2473°F50°F92°F 201739°F 20120%
Sep 2572°F50°F90°F 201738°F 19990%
Sep 2672°F49°F91°F 201737°F 20000%
Sep 2771°F49°F86°F 199940°F 20100%
Sep 2871°F49°F81°F 202537°F 20000%
Sep 2970°F48°F83°F 202537°F 20060%
Sep 3070°F48°F86°F 201938°F 20010%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plainwell, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:08 AM, sunset 8:17 PM
September 30
sunrise 7:39 AM, sunset 7:26 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00203504 (Gull Lake Biological Stn), public domain. Records: NOAA GHCN-Daily, station USW00094815, 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.