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Davenport September Weather

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

Typical Davenport September Weather 1991–2020
Average daily high	73.4 °F
Average daily low	41.3 °F
Average monthly precipitation	0.5 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	10.8%
Daily chance of snow	0.11%

Davenport September Weather Records 1893–2024
Highest temperature	100 °F	September 1, 1967
Lowest temperature	17 °F	September 24, 1926
Highest daily low	68 °F	September 15, 1924
Lowest daily high	35 °F	September 30, 2019
Hottest average high temperature	82.0 °F	1938
Coldest average high temperature	63.3 °F	1985
Most daily precipitation	1.3 inches	September 17, 1954
Most monthly precipitation	4.3 inches	1927
Most daily snow	1.3 inches	September 29, 2019
Most monthly snow	1.3 inches	2019

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	78.5	44.9	100	32
September 2	78.2	44.7	96	31
September 3	77.7	44.5	97	30
September 4	77.3	44.3	98	31
September 5	76.9	44.0	97	28
September 6	76.4	43.7	95	31
September 7	76.1	43.4	97	26
September 8	75.7	43.1	95	30
September 9	75.4	42.9	95	29
September 10	75.1	42.7	92	26
September 11	74.8	42.5	91	26
September 12	74.5	42.2	93	28
September 13	74.1	41.8	91	26
September 14	73.8	41.5	90	25
September 15	73.5	41.4	92	25
September 16	73.3	41.2	91	27
September 17	73.0	41.1	93	27
September 18	72.6	40.8	95	22
September 19	72.1	40.5	91	28
September 20	71.6	40.2	88	24
September 21	71.2	39.8	89	26
September 22	70.7	39.5	90	27
September 23	70.4	39.1	91	20
September 24	70.0	38.9	89	17
September 25	69.5	38.6	91	22
September 26	69.0	38.2	88	28
September 27	68.4	37.9	88	23
September 28	67.8	37.5	92	21
September 29	67.2	37.1	88	20
September 30	66.7	36.8	84	23

Weather Station Details

Years	Station	Coordinates
1893–2024	Davenport	location