Priest River climate

Priest River Weather in September

NOAA 1991-2020 normals for Newport, 10.1 km from Priest River

Average highs run from 79°F on September 1 to 66°F on September 30, and lows from 45°F to 38°F. Normal precipitation for the month is 1.16 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 Priest River, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
41°F
Precipitation
1.16 in
Record high
96°FSep 2, 1938
Record low
16°FSep 24, 1926
Chance of a freeze
78%
Days of 90°F or more
0.9
Daylight
13 h 22 min to 11 h 42 min
Cloud cover
49%
Humidity
54%
Dew point
39°F
Wind
4.3 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 179°F45°F95°F 193829°F 19300%
Sep 278°F45°F96°F 193832°F 19140%
Sep 378°F45°F95°F 193830°F 19320%
Sep 478°F44°F90°F 198830°F 19120%
Sep 577°F44°F93°F 199832°F 19120%
Sep 677°F44°F95°F 202531°F 19920%
Sep 777°F44°F93°F 199826°F 19290%
Sep 876°F43°F91°F 194429°F 19760%
Sep 976°F43°F89°F 194429°F 19320%
Sep 1076°F43°F88°F 194426°F 19210%
Sep 1175°F43°F89°F 197329°F 19280%
Sep 1275°F42°F91°F 201125°F 20140%
Sep 1375°F42°F91°F 201122°F 19210%
Sep 1474°F42°F90°F 201321°F 19700%
Sep 1574°F42°F90°F 201324°F 19700%
Sep 1673°F41°F90°F 201323°F 19730%
Sep 1773°F41°F87°F 193826°F 19710%
Sep 1873°F41°F85°F 195227°F 19710%
Sep 1972°F41°F84°F 198425°F 19570%
Sep 2072°F40°F83°F 196723°F 19280%
Sep 2171°F40°F87°F 193825°F 19320%
Sep 2271°F40°F88°F 198728°F 19460%
Sep 2370°F40°F83°F 198722°F 20000%
Sep 2470°F39°F85°F 201116°F 19260%
Sep 2569°F39°F85°F 199020°F 19260%
Sep 2669°F39°F86°F 195224°F 19260%
Sep 2768°F39°F83°F 199425°F 19610%
Sep 2868°F38°F85°F 199423°F 19840%
Sep 2967°F38°F82°F 200621°F 19190%
Sep 3066°F38°F78°F 199021°F 19290%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Priest River, 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 6:06 AM, sunset 7:28 PM
September 30
sunrise 6:46 AM, sunset 6:28 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00455844 (Newport), public domain. Records: NOAA GHCN-Daily, station USC00108137, 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.