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The Dalles September Weather

Averages and records for weather in The Dalles, Oregon in the month of September.

Typical The Dalles September Weather 1991–2020
Average daily high	81.2 °F
Average daily low	52.3 °F
Average monthly precipitation	0.3 inches
Daily chance of precipitation	9.1%

The Dalles September Weather Records 1893–2024
Highest temperature	105 °F	September 3, 1988
Lowest temperature	25 °F	September 25, 1926
Highest daily low	72 °F	September 4, 2003
Lowest daily high	49 °F	September 29, 2019
Hottest average high temperature	87.0 °F	1974
Coldest average high temperature	69.6 °F	1911
Most daily precipitation	1.3 inches	September 14, 1918
Most monthly precipitation	2.9 inches	1911

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	85.4	56.5	102	43
September 2	85.0	56.2	104	39
September 3	84.5	56.0	105	39
September 4	84.2	55.6	102	41
September 5	83.9	55.3	102	42
September 6	83.6	55.1	100	41
September 7	83.4	54.8	101	38
September 8	83.2	54.5	101	39
September 9	82.9	54.2	101	40
September 10	82.7	54.0	100	40
September 11	82.3	53.8	102	40
September 12	82.0	53.4	96	39
September 13	81.8	53.1	100	34
September 14	81.7	52.7	98	37
September 15	81.4	52.4	95	35
September 16	81.1	52.1	99	36
September 17	80.7	51.9	99	29
September 18	80.2	51.6	99	35
September 19	79.7	51.3	95	36
September 20	79.3	50.9	96	36
September 21	78.9	50.5	99	35
September 22	78.5	50.2	96	35
September 23	78.1	50.0	94	35
September 24	77.6	49.7	97	30
September 25	77.1	49.5	94	25
September 26	76.5	49.1	93	26
September 27	75.9	48.8	95	29
September 28	75.4	48.4	92	32
September 29	74.9	48.1	90	32
September 30	74.5	47.8	90	32

Weather Station Details

Years	Station	Coordinates
1949–2024	The Dalles Municipal Airport	location
1893–1948	The Dalles	location