Baker County climate

Baker County Weather in September

NOAA 1991-2020 normals for Baker City Muni AP, 18.2 km from Baker County

Average highs run from 84°F on September 1 to 73°F on September 30, and lows from 44°F to 35°F. Normal precipitation for the month is 0.44 in over about 4 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 Baker County, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
39°F
Precipitation
0.44 in
Record high
102°FSep 2, 2017
Record low
17°FSep 24, 1961
Chance of a freeze
89%
Days of 90°F or more
2.4
Daylight
13 h 14 min to 11 h 45 min
Cloud cover
36%
Humidity
46%
Dew point
37°F
Wind
6.5 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 184°F44°F99°F 199831°F 197710%0%
Sep 284°F43°F102°F 201726°F 200811%0%
Sep 383°F43°F101°F 199829°F 200011%0%
Sep 483°F43°F100°F 199827°F 201511%0%
Sep 583°F43°F95°F 200628°F 195611%0%
Sep 682°F42°F99°F 202225°F 201011%0%
Sep 782°F42°F98°F 202425°F 199211%0%
Sep 882°F42°F97°F 202427°F 200211%0%
Sep 981°F41°F93°F 202126°F 194511%0%
Sep 1081°F41°F93°F 195327°F 200711%0%
Sep 1181°F41°F95°F 195327°F 200511%0%
Sep 1280°F40°F94°F 195322°F 201411%0%
Sep 1380°F40°F90°F 194822°F 194912%0%
Sep 1480°F40°F95°F 200022°F 194712%0%
Sep 1579°F40°F92°F 199826°F 195012%0%
Sep 1679°F39°F94°F 198128°F 200612%0%
Sep 1779°F39°F94°F 198121°F 196512%0%
Sep 1878°F39°F95°F 198119°F 196512%0%
Sep 1978°F38°F90°F 197919°F 194712%
Sep 2077°F38°F90°F 197921°F 198312%
Sep 2177°F38°F92°F 196622°F 198313%
Sep 2276°F37°F92°F 196620°F 196113%
Sep 2376°F37°F93°F 198722°F 199613%
Sep 2476°F37°F91°F 201117°F 196113%
Sep 2575°F36°F92°F 202421°F 197013%
Sep 2675°F36°F90°F 196321°F 195514%
Sep 2774°F36°F93°F 196323°F 195014%
Sep 2874°F35°F92°F 202419°F 199914%
Sep 2973°F35°F90°F 196321°F 198514%
Sep 3073°F35°F90°F 196317°F 195415%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Baker County, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

September 1
sunrise 6:13 AM, sunset 7:27 PM
September 30
sunrise 6:48 AM, sunset 6:33 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024130 (Baker City Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00024130, 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.