< Previous Month Next Month >

Lewistown September Weather

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

Typical Lewistown September Weather 1991–2020
Average daily high	76.7 °F
Average daily low	53.8 °F
Average monthly precipitation	4.4 inches
Average monthly snow	none
Daily chance of precipitation	34.2%
Daily chance of snow	0%

Lewistown September Weather Records 1938–2024
Highest temperature	103 °F	September 4, 1953
Lowest temperature	28 °F	September 11, 1995
Highest daily low	72 °F	September 10, 2016
Lowest daily high	49 °F	September 28, 1984
Hottest average high temperature	83.4 °F	1941
Coldest average high temperature	71.8 °F	1950
Most daily precipitation	5.4 inches	September 18, 2004
Most monthly precipitation	13.6 inches	2011
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	80.9	58.2	98	44
September 2	80.6	57.9	100	43
September 3	80.3	57.7	103	42
September 4	80.1	57.4	103	43
September 5	79.9	57.1	96	42
September 6	79.6	56.8	98	42
September 7	79.3	56.5	97	42
September 8	79.2	56.3	97	41
September 9	78.9	56.0	98	42
September 10	78.6	55.6	96	38
September 11	78.3	55.3	98	28
September 12	78.0	54.9	94	35
September 13	77.7	54.6	94	35
September 14	77.3	54.3	95	36
September 15	77.0	54.0	95	34
September 16	76.5	53.6	93	38
September 17	76.1	53.3	92	37
September 18	75.8	52.8	90	33
September 19	75.4	52.5	91	32
September 20	74.9	52.1	91	32
September 21	74.5	51.8	88	32
September 22	74.2	51.4	91	32
September 23	73.8	51.0	92	32
September 24	73.5	50.6	92	30
September 25	73.2	50.3	94	29
September 26	72.9	50.0	90	28
September 27	72.6	49.7	90	30
September 28	72.2	49.4	91	29
September 29	71.8	48.9	90	32
September 30	71.4	48.4	93	32

Weather Station Details

Years	Station	Coordinates
1938–2024	Lewistown	location