Plummer climate

Plummer Weather in September

NOAA 1991-2020 normals for Plummer 3 Wsw, 5.7 km from Plummer

Average highs run from 78°F on September 1 to 66°F on September 30, and lows from 47°F to 40°F. Normal precipitation for the month is 1.02 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 Plummer, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
44°F
Precipitation
1.02 in
Record high
102°FSep 1, 1967
Record low
17°FSep 24, 1926
Chance of a freeze
29%
Days of 90°F or more
1.4
Daylight
13 h 20 min to 11 h 44 min
Cloud cover
48%
Humidity
54%
Dew point
40°F
Wind
5.6 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 178°F47°F102°F 196738°F 19130%
Sep 278°F47°F101°F 202531°F 19130%
Sep 377°F47°F102°F 202533°F 19580%
Sep 477°F47°F101°F 193838°F 19180%
Sep 577°F47°F98°F 197336°F 19560%
Sep 676°F46°F97°F 194434°F 18950%
Sep 776°F46°F98°F 194429°F 19290%
Sep 876°F46°F96°F 195830°F 19290%
Sep 975°F46°F94°F 194034°F 19430%
Sep 1075°F46°F97°F 195826°F 19210%
Sep 1175°F46°F96°F 195835°F 19210%
Sep 1274°F45°F92°F 191329°F 19700%
Sep 1374°F45°F93°F 194824°F 19210%
Sep 1473°F45°F90°F 195325°F 19210%
Sep 1573°F45°F92°F 193827°F 19210%
Sep 1673°F44°F92°F 197927°F 19650%
Sep 1772°F44°F95°F 198130°F 19360%
Sep 1872°F44°F97°F 198128°F 19420%
Sep 1971°F44°F98°F 193828°F 19570%
Sep 2071°F43°F90°F 197924°F 19340%
Sep 2171°F43°F93°F 196730°F 18950%
Sep 2270°F43°F93°F 193828°F 19320%
Sep 2370°F42°F93°F 196628°F 20000%
Sep 2469°F42°F94°F 194317°F 19260%
Sep 2569°F42°F94°F 194322°F 19260%
Sep 2668°F42°F90°F 196325°F 19260%
Sep 2768°F41°F89°F 196729°F 19350%
Sep 2867°F41°F90°F 202227°F 19850%
Sep 2967°F41°F89°F 196727°F 19500%
Sep 3066°F40°F86°F 197626°F 19500%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plummer, 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 (PDT).

September 1
sunrise 6:07 AM, sunset 7:27 PM
September 30
sunrise 6:45 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00107188 (Plummer 3 Wsw), public domain. Records: NOAA GHCN-Daily, station USC00101956, 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.