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Forks September Weather

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

Typical Forks September Weather 1991–2020
Average daily high	69.6 °F
Average daily low	47.8 °F
Average monthly precipitation	4.8 inches
Average monthly snow	none
Daily chance of precipitation	38.5%
Daily chance of snow	0%

Forks September Weather Records 1907–2024
Highest temperature	100 °F	September 3, 1988
Lowest temperature	24 °F	September 24, 1926
Highest daily low	65 °F	September 9, 1989
Lowest daily high	51 °F	September 23, 1930
Hottest average high temperature	77.9 °F	1974
Coldest average high temperature	62.5 °F	1933
Most daily precipitation	4.5 inches	September 11, 1920
Most monthly precipitation	17.9 inches	1920
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	72.1	49.5	96	36
September 2	72.0	49.4	100	36
September 3	71.8	49.3	100	38
September 4	71.5	49.3	91	38
September 5	71.3	49.2	90	39
September 6	71.1	49.0	89	37
September 7	71.0	48.9	96	36
September 8	70.9	48.8	93	37
September 9	70.7	48.7	92	35
September 10	70.5	48.6	93	35
September 11	70.3	48.6	90	32
September 12	70.0	48.5	93	31
September 13	69.9	48.3	90	30
September 14	69.8	48.1	93	33
September 15	69.7	47.9	96	32
September 16	69.5	47.8	86	35
September 17	69.3	47.7	85	35
September 18	68.9	47.5	84	34
September 19	68.6	47.4	86	32
September 20	68.3	47.2	91	34
September 21	68.1	47.0	90	34
September 22	67.8	46.8	90	34
September 23	67.5	46.7	93	30
September 24	67.2	46.6	95	24
September 25	66.8	46.4	87	31
September 26	66.4	46.2	86	33
September 27	66.0	46.0	88	27
September 28	65.6	45.8	84	24
September 29	65.3	45.6	88	29
September 30	65.0	45.4	88	31

Weather Station Details

Years	Station	Coordinates
1907–2024	Forks 1 E	location