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Miles City September Weather

Averages and records for weather in Miles City, Montana in the month of September.

Typical Miles City September Weather 1991–2020
Average daily high	75.9 °F
Average daily low	47.7 °F
Average monthly precipitation	1.1 inches
Daily chance of precipitation	21.7%

Miles City September Weather Records 1893–2024
Highest temperature	106 °F	September 1, 1983
Lowest temperature	17 °F	September 25, 1926
Highest daily low	74 °F	September 4, 1960
Lowest daily high	32 °F	September 24, 1926
Hottest average high temperature	84.3 °F	1998
Coldest average high temperature	58.6 °F	1965
Most daily precipitation	2.7 inches	September 7, 1941
Most monthly precipitation	4.7 inches	1941

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	83.0	53.8	106	36
September 2	82.7	53.5	102	32
September 3	82.2	53.2	102	37
September 4	81.7	52.8	105	30
September 5	81.2	52.4	100	37
September 6	80.5	51.9	99	35
September 7	79.9	51.4	106	33
September 8	79.3	50.8	99	30
September 9	78.8	50.4	100	30
September 10	78.3	49.9	95	34
September 11	77.8	49.5	98	28
September 12	77.4	49.1	95	29
September 13	76.9	48.6	97	28
September 14	76.5	48.2	99	30
September 15	76.1	47.8	101	32
September 16	75.7	47.4	100	28
September 17	75.1	47.0	96	25
September 18	74.5	46.5	98	28
September 19	73.8	46.0	99	28
September 20	73.1	45.5	94	24
September 21	72.5	45.0	96	19
September 22	72.0	44.6	94	24
September 23	71.5	44.2	98	26
September 24	71.0	43.7	94	19
September 25	70.4	43.3	97	17
September 26	69.9	42.8	95	20
September 27	69.4	42.5	93	22
September 28	68.9	42.0	95	26
September 29	68.3	41.5	94	22
September 30	67.7	41.1	93	21

Weather Station Details

Years	Station	Coordinates
1938–2024	Miles City Airport	location
1893–1937	Miles City	location