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Waynesburg September Weather

Averages and records for weather in Waynesburg, Pennsylvania in the month of September.

Typical Waynesburg September Weather 1991–2020
Average daily high	76.7 °F
Average daily low	51.3 °F
Average monthly precipitation	3.6 inches
Average monthly snow	none
Daily chance of precipitation	34.5%
Daily chance of snow	0%

Waynesburg September Weather Records 1921–2024
Highest temperature	98 °F	September 1, 1932
Lowest temperature	24 °F	September 27, 1947
Highest daily low	77 °F	September 7, 1933
Lowest daily high	50 °F	September 30, 1967
Hottest average high temperature	83.6 °F	1939
Coldest average high temperature	71.1 °F	1975
Most daily precipitation	4.6 inches	September 18, 2004
Most monthly precipitation	12.9 inches	2018
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	80.7	55.9	98	39
September 2	80.5	55.6	94	39
September 3	80.3	55.3	94	38
September 4	80.1	55.0	93	39
September 5	79.9	54.7	92	40
September 6	79.6	54.4	91	38
September 7	79.4	54.1	93	34
September 8	79.2	53.9	97	37
September 9	79.0	53.6	93	36
September 10	78.6	53.3	93	36
September 11	78.3	52.9	94	37
September 12	78.0	52.5	93	34
September 13	77.7	52.1	90	34
September 14	77.4	51.9	93	30
September 15	77.0	51.5	95	32
September 16	76.6	51.1	94	29
September 17	76.2	50.7	92	30
September 18	75.8	50.3	89	32
September 19	75.4	49.9	93	36
September 20	75.1	49.6	90	33
September 21	74.7	49.3	90	33
September 22	74.3	49.0	90	33
September 23	73.9	48.6	93	29
September 24	73.6	48.2	91	26
September 25	73.2	47.7	91	27
September 26	73.0	47.4	89	29
September 27	72.6	47.1	91	24
September 28	72.3	46.8	90	27
September 29	71.9	46.4	85	26
September 30	71.5	46.0	87	29

Weather Station Details

Years	Station	Coordinates
1948–2024	Waynesburg 1 E	location
1921–1948	Waynesburg 2 W	location