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Morris September Weather

Averages and records for weather in Morris, Illinois in the month of September.

Typical Morris September Weather 1991–2020
Average daily high	78.1 °F
Average daily low	55.3 °F
Average monthly precipitation	3.5 inches
Average monthly snow	none
Daily chance of precipitation	27.1%
Daily chance of snow	0%

Morris September Weather Records 1911–2024
Highest temperature	103 °F	September 15, 1939
Lowest temperature	26 °F	September 28, 1942
Highest daily low	77 °F	September 2, 2011
Lowest daily high	46 °F	September 26, 1942
Hottest average high temperature	85.7 °F	1939
Coldest average high temperature	70.1 °F	1918
Most daily precipitation	6.5 inches	September 28, 2019
Most monthly precipitation	14.8 inches	2019
Most daily snow	1.0 inches	September 25, 1942
Most monthly snow	1.0 inches	1942

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	81.2	60.2	100	41
September 2	80.9	59.8	102	39
September 3	80.8	59.6	99	44
September 4	80.7	59.3	102	42
September 5	80.6	59.0	102	42
September 6	80.5	58.8	103	38
September 7	80.4	58.5	102	41
September 8	80.2	58.2	103	40
September 9	80.0	57.8	97	41
September 10	79.7	57.5	98	38
September 11	79.5	57.1	97	33
September 12	79.3	56.7	97	38
September 13	79.0	56.4	101	33
September 14	78.7	56.0	102	33
September 15	78.4	55.5	103	35
September 16	77.9	55.1	97	31
September 17	77.6	54.6	98	31
September 18	77.2	54.1	94	33
September 19	76.8	53.8	95	36
September 20	76.3	53.5	93	31
September 21	75.8	53.0	97	32
September 22	75.4	52.6	94	32
September 23	75.0	52.2	95	34
September 24	74.7	51.7	96	33
September 25	74.4	51.3	94	33
September 26	74.1	50.9	94	29
September 27	73.8	50.5	92	29
September 28	73.4	50.2	91	26
September 29	73.0	49.8	97	31
September 30	72.7	49.4	92	30

Weather Station Details

Years	Station	Coordinates
1911–2024	Morris 1 Nw	location