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Vancouver September Weather

Averages and records for weather in Vancouver, Washington in the month of September.

Typical Vancouver September Weather 1991–2020
Average daily high	74.9 °F
Average daily low	48.2 °F
Average monthly precipitation	1.6 inches
Average monthly snow	none
Daily chance of precipitation	26.0%
Daily chance of snow	0%

Vancouver September Weather Records 1856–2024
Highest temperature	103 °F	September 3, 1988
Lowest temperature	28 °F	September 13, 1970
Highest daily low	68 °F	September 1, 1950
Lowest daily high	49 °F	September 30, 2019
Hottest average high temperature	81.8 °F	1957
Coldest average high temperature	67.9 °F	1977
Most daily precipitation	2.9 inches	September 8, 1925
Most monthly precipitation	5.7 inches	2013
Most daily snow	none	-
Most monthly snow	none	-

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	78.1	50.8	100	35
September 2	77.8	50.6	98	38
September 3	77.5	50.5	103	38
September 4	77.2	50.3	95	40
September 5	76.9	50.1	102	37
September 6	76.7	50.0	99	40
September 7	76.5	49.8	97	35
September 8	76.3	49.6	96	38
September 9	76.2	49.4	95	37
September 10	76.0	49.3	97	37
September 11	75.7	49.1	94	35
September 12	75.5	48.9	95	36
September 13	75.3	48.7	93	28
September 14	75.1	48.5	96	36
September 15	75.0	48.3	95	32
September 16	74.8	48.2	94	35
September 17	74.6	48.1	94	34
September 18	74.2	47.9	92	36
September 19	73.8	47.7	91	34
September 20	73.4	47.5	97	36
September 21	73.1	47.2	95	32
September 22	72.8	47.0	94	35
September 23	72.4	46.8	94	33
September 24	72.1	46.6	94	31
September 25	71.6	46.4	92	31
September 26	71.2	46.2	92	30
September 27	70.6	45.9	93	30
September 28	70.2	45.7	94	32
September 29	69.8	45.5	87	31
September 30	69.4	45.2	90	30

Weather Station Details

Years	Station	Coordinates
1856–2024	Vancouver 4 NNE	location