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Baker City September Weather

Averages and records for weather in Baker City, Oregon in the month of September.

Typical Baker City September Weather 1991–2020
Average daily high	76.6 °F
Average daily low	37.8 °F
Average monthly precipitation	0.4 inches
Daily chance of precipitation	11.8%

Baker City September Weather Records 1943–2024
Highest temperature	102 °F	September 2, 2017
Lowest temperature	17 °F	September 24, 1961
Highest daily low	60 °F	September 2, 2013
Lowest daily high	45 °F	September 26, 1971
Hottest average high temperature	83.3 °F	1967
Coldest average high temperature	65.8 °F	1986
Most daily precipitation	1.3 inches	September 5, 1978
Most monthly precipitation	2.7 inches	1980

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	81.7	41.8	99	31
September 2	81.3	41.6	102	26
September 3	80.9	41.3	101	29
September 4	80.4	41.0	100	27
September 5	80.0	40.7	95	28
September 6	79.6	40.4	99	25
September 7	79.2	40.1	96	25
September 8	78.9	39.8	95	27
September 9	78.6	39.6	93	26
September 10	78.2	39.3	93	27
September 11	77.9	39.1	95	27
September 12	77.5	38.7	94	22
September 13	77.1	38.4	90	22
September 14	76.9	38.1	95	22
September 15	76.7	37.9	92	26
September 16	76.4	37.6	94	28
September 17	76.0	37.4	94	21
September 18	75.6	37.1	95	19
September 19	75.1	36.9	90	19
September 20	74.6	36.5	90	21
September 21	74.1	36.2	92	22
September 22	73.7	35.9	92	20
September 23	73.3	35.6	93	22
September 24	73.0	35.3	91	17
September 25	72.5	35.0	91	21
September 26	72.0	34.8	90	21
September 27	71.4	34.5	93	23
September 28	70.8	34.2	91	19
September 29	70.3	33.9	90	21
September 30	69.8	33.5	90	17

Weather Station Details

Years	Station	Coordinates
1943–2024	Baker City Municipal Airport	location