Wilmot climate

Wilmot Weather in September

NOAA 1991-2020 normals for Portland, 22.5 km from Wilmot

Average highs run from 90°F on September 1 to 83°F on September 30, and lows from 69°F to 59°F. Normal precipitation for the month is 3.41 in over about 6 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 Wilmot, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
64°F
Precipitation
3.41 in
Record high
110°FSep 5, 1951
Record low
37°FSep 29, 1942
Chance of a freeze
0%
Days of 90°F or more
14.3
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
44%
Humidity
64%
Dew point
63°F
Wind
7.2 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 190°F69°F106°F 195156°F 200921%0%
Sep 290°F69°F108°F 195152°F 196721%0%
Sep 390°F68°F104°F 200053°F 200921%0%
Sep 490°F68°F107°F 195150°F 197420%0%
Sep 589°F68°F110°F 195149°F 201020%0%
Sep 689°F68°F107°F 192550°F 201020%0%
Sep 789°F67°F106°F 192548°F 201120%0%
Sep 889°F67°F106°F 192548°F 201120%0%
Sep 989°F67°F104°F 192549°F 201120%0%
Sep 1088°F66°F101°F 198050°F 201120%0%
Sep 1188°F66°F101°F 198051°F 194020%0%
Sep 1288°F66°F102°F 198044°F 194020%0%
Sep 1388°F65°F101°F 198045°F 194019%0%
Sep 1487°F65°F104°F 198046°F 196419%0%
Sep 1587°F65°F105°F 198051°F 196419%0%
Sep 1687°F64°F103°F 189653°F 200319%0%
Sep 1787°F64°F102°F 189649°F 199319%0%
Sep 1886°F64°F101°F 195347°F 198119%0%
Sep 1986°F63°F100°F 201047°F 198119%0%
Sep 2086°F63°F100°F 201045°F 193819%0%
Sep 2186°F62°F100°F 193744°F 189919%0%
Sep 2285°F62°F99°F 198040°F 198319%0%
Sep 2385°F62°F99°F 198044°F 198319%0%
Sep 2485°F61°F98°F 192144°F 198918%0%
Sep 2584°F61°F97°F 198044°F 198918%0%
Sep 2684°F60°F96°F 193640°F 189918%0%
Sep 2784°F60°F98°F 195438°F 189918%0%
Sep 2883°F60°F100°F 195341°F 194218%0%
Sep 2983°F59°F102°F 195337°F 194218%0%
Sep 3083°F59°F102°F 195338°F 189918%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wilmot, 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 6:41 AM, sunset 7:31 PM
September 30
sunrise 7:00 AM, sunset 6:52 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00035866 (Portland), public domain. Records: NOAA GHCN-Daily, station USC00160537, 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.