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Bluffton September Weather

Averages and records for weather in Bluffton, Indiana in the month of September.

Typical Bluffton September Weather 1991–2020
Average daily high	76.5 °F
Average daily low	54.0 °F
Average monthly precipitation	2.9 inches
Average monthly snow	none
Daily chance of precipitation	27.2%
Daily chance of snow	0%

Bluffton September Weather Records 1895–2023
Highest temperature	103 °F	September 14, 1939
Lowest temperature	25 °F	September 28, 1942
Highest daily low	79 °F	September 11, 1925
Lowest daily high	48 °F	September 30, 1967
Hottest average high temperature	87.7 °F	1906
Coldest average high temperature	65.0 °F	1989
Most daily precipitation	4.0 inches	September 5, 1918
Most monthly precipitation	9.4 inches	1933
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	79.9	58.8	97	42
September 2	79.7	58.6	98	36
September 3	79.5	58.3	98	35
September 4	79.4	58.0	95	41
September 5	79.3	57.7	100	38
September 6	79.1	57.5	98	37
September 7	79.0	57.3	101	38
September 8	78.8	57.0	99	38
September 9	78.5	56.6	99	39
September 10	78.3	56.2	99	35
September 11	78.0	55.7	97	32
September 12	77.6	55.3	96	35
September 13	77.3	55.0	101	36
September 14	77.0	54.6	103	31
September 15	76.7	54.2	100	34
September 16	76.3	53.8	95	33
September 17	76.0	53.4	96	32
September 18	75.7	52.9	96	31
September 19	75.3	52.6	97	29
September 20	74.9	52.4	98	29
September 21	74.5	52.0	98	30
September 22	74.1	51.5	95	30
September 23	73.8	51.1	93	28
September 24	73.5	50.7	96	27
September 25	73.3	50.3	93	29
September 26	73.0	50.0	93	29
September 27	72.6	49.7	91	30
September 28	72.3	49.3	93	25
September 29	71.9	48.8	91	27
September 30	71.5	48.5	90	28

Weather Station Details

Years	Station	Coordinates
1970–2023	Bluffton 6N	location
1969–1971	Bluffton 1 N	location
1949–1969	Bluffton	location
1895–1948	Bluffton Water Works	location