Garrett climate

Garrett Weather in September

NOAA 1991-2020 normals for Whitman Mission, 4.7 km from Garrett

Average highs run from 85°F on September 1 to 74°F on September 30, and lows from 47°F to 40°F. Normal precipitation for the month is 0.68 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 Garrett, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
44°F
Precipitation
0.68 in
Record high
104°FSep 2, 1950
Record low
32°FSep 17, 1965
Chance of a freeze
46%
Days of 90°F or more
4.1
Daylight
13 h 17 min to 11 h 44 min
Cloud cover
40%
Humidity
47%
Dew point
42°F
Wind
7.6 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 185°F47°F99°F 198744°F 19990%
Sep 285°F47°F104°F 195044°F 19990%
Sep 385°F47°F96°F 199344°F 19580%
Sep 484°F47°F99°F 202044°F 19560%
Sep 584°F46°F99°F 195544°F 19560%
Sep 684°F46°F102°F 195545°F 19600%
Sep 784°F46°F98°F 195844°F 19600%
Sep 883°F46°F102°F 198139°F 19620%
Sep 983°F45°F97°F 196343°F 19620%
Sep 1083°F45°F99°F 199043°F 19640%
Sep 1182°F45°F97°F 195343°F 19990%
Sep 1282°F45°F95°F 201141°F 19640%
Sep 1381°F44°F94°F 201338°F 19700%
Sep 1481°F44°F97°F 201339°F 19700%
Sep 1581°F44°F98°F 197939°F 19700%
Sep 1680°F44°F97°F 198135°F 19650%
Sep 1780°F43°F97°F 198132°F 19650%
Sep 1880°F43°F97°F 198136°F 19650%
Sep 1979°F43°F92°F 199433°F 19570%
Sep 2079°F43°F92°F 196737°F 19830%
Sep 2178°F42°F94°F 196739°F 19710%
Sep 2278°F42°F90°F 199937°F 19930%
Sep 2377°F42°F93°F 201133°F 20000%
Sep 2477°F42°F95°F 195237°F 20000%
Sep 2577°F41°F99°F 195237°F 19700%
Sep 2676°F41°F92°F 195238°F 19720%
Sep 2776°F41°F90°F 196735°F 19720%
Sep 2875°F40°F90°F 196734°F 19850%
Sep 2975°F40°F90°F 197632°F 19850%
Sep 3074°F40°F89°F 197634°F 20190%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Garrett, 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 6:15 AM, sunset 7:32 PM
September 30
sunrise 6:51 AM, sunset 6:35 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00459200 (Whitman Mission), public domain. Records: NOAA GHCN-Daily, station USW00024160, 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.