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Boonville September Weather

Averages and records for weather in Boonville, New York in the month of September.

Typical Boonville September Weather 1991–2020
Average daily high	67.2 °F
Average daily low	48.0 °F
Average monthly precipitation	5.0 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	42.4%
Daily chance of snow	0.11%

Boonville September Weather Records 1949–2024
Highest temperature	90 °F	September 3, 1953
Lowest temperature	24 °F	September 25, 1950
Highest daily low	70 °F	September 4, 1953
Lowest daily high	40 °F	September 24, 1950
Hottest average high temperature	75.0 °F	1961
Coldest average high temperature	60.6 °F	1981
Most daily precipitation	4.9 inches	September 25, 2001
Most monthly precipitation	11.3 inches	1975
Most daily snow	1.0 inches	September 21, 1956
Most monthly snow	1.0 inches	1956

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	71.5	52.3	87	36
September 2	71.2	52.0	89	36
September 3	70.9	51.7	90	36
September 4	70.7	51.5	89	38
September 5	70.4	51.2	87	36
September 6	70.2	50.9	86	35
September 7	70.0	50.6	85	37
September 8	69.8	50.4	87	30
September 9	69.5	50.0	88	35
September 10	69.1	49.7	85	35
September 11	68.8	49.3	83	33
September 12	68.5	48.9	85	36
September 13	68.1	48.7	86	34
September 14	67.9	48.4	81	33
September 15	67.5	48.2	82	35
September 16	67.1	47.8	80	29
September 17	66.6	47.4	83	30
September 18	66.2	47.1	83	31
September 19	65.8	46.7	83	30
September 20	65.3	46.4	80	28
September 21	64.9	46.0	82	28
September 22	64.3	45.5	84	33
September 23	63.9	45.0	82	28
September 24	63.5	44.6	83	27
September 25	63.2	44.3	84	24
September 26	62.9	44.0	86	27
September 27	62.7	43.7	84	27
September 28	62.3	43.4	84	28
September 29	62.0	43.0	82	27
September 30	61.6	42.6	80	25

Weather Station Details

Years	Station	Coordinates
1949–2024	Boonville 4 SSW	location