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Maryville September Weather

Averages and records for weather in Maryville, Missouri in the month of September.

Typical Maryville September Weather 1991–2020
Average daily high	78.1 °F
Average daily low	53.4 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	24.9%
Daily chance of snow	0%

Maryville September Weather Records 1894–2024
Highest temperature	107 °F	September 3, 1939
Lowest temperature	22 °F	September 30, 1984
Highest daily low	78 °F	September 7, 1939
Lowest daily high	43 °F	September 30, 1985
Hottest average high temperature	89.7 °F	1897
Coldest average high temperature	71.1 °F	1918
Most daily precipitation	6.7 inches	September 22, 1993
Most monthly precipitation	18.0 inches	1926
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	83.2	59.8	106	42
September 2	82.9	59.4	103	43
September 3	82.6	59.1	107	36
September 4	82.4	58.8	102	35
September 5	82.2	58.5	105	35
September 6	81.9	58.2	104	35
September 7	81.6	57.9	104	43
September 8	81.3	57.5	99	38
September 9	80.9	57.0	100	37
September 10	80.5	56.5	98	34
September 11	80.0	56.1	100	35
September 12	79.7	55.5	100	38
September 13	79.3	55.0	100	36
September 14	78.9	54.5	100	33
September 15	78.5	53.9	100	33
September 16	78.2	53.5	98	36
September 17	78.0	53.1	98	36
September 18	77.7	52.6	97	30
September 19	77.3	52.3	98	30
September 20	76.9	51.8	94	29
September 21	76.5	51.4	97	32
September 22	76.0	50.9	100	32
September 23	75.6	50.5	94	28
September 24	75.4	50.1	92	30
September 25	75.1	49.6	92	32
September 26	74.7	49.2	96	30
September 27	74.3	48.7	95	30
September 28	73.8	48.3	102	29
September 29	73.4	47.9	93	24
September 30	73.1	47.5	93	22

Weather Station Details

Years	Station	Coordinates
1894–2024	Maryville 2E	location