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Phoenixville September Weather

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

Typical Phoenixville September Weather 1991–2020
Average daily high	78.5 °F
Average daily low	55.7 °F
Average monthly precipitation	4.2 inches
Daily chance of precipitation	25.7%

Phoenixville September Weather Records 1893–2024
Highest temperature	105 °F	September 2, 1953
Lowest temperature	28 °F	September 28, 1947
Highest daily low	78 °F	September 9, 2016
Lowest daily high	52 °F	September 29, 1984
Hottest average high temperature	85.9 °F	1931
Coldest average high temperature	72.4 °F	1917
Most daily precipitation	6.0 inches	September 12, 1960
Most monthly precipitation	10.7 inches	2004

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	82.9	60.3	100	42
September 2	82.6	60.0	105	43
September 3	82.4	59.7	103	41
September 4	82.1	59.4	103	43
September 5	81.9	59.1	95	43
September 6	81.6	58.8	100	40
September 7	81.5	58.4	100	37
September 8	81.3	58.2	97	41
September 9	81.0	57.9	96	34
September 10	80.7	57.5	102	34
September 11	80.3	57.2	98	35
September 12	80.0	56.9	97	35
September 13	79.8	56.7	95	33
September 14	79.4	56.4	95	37
September 15	79.0	56.0	95	34
September 16	78.6	55.5	96	38
September 17	78.1	55.1	95	32
September 18	77.8	54.7	96	33
September 19	77.5	54.4	94	32
September 20	77.1	54.1	95	36
September 21	76.8	53.8	93	34
September 22	76.5	53.4	97	34
September 23	76.2	53.1	96	33
September 24	75.8	52.7	93	30
September 25	75.5	52.3	93	30
September 26	75.2	52.1	94	32
September 27	74.9	51.8	92	29
September 28	74.4	51.3	90	28
September 29	74.0	50.8	95	30
September 30	73.6	50.4	90	30

Weather Station Details

Years	Station	Coordinates
1893–2024	Phoenixville 1 E	location