< Previous Month Next Month >

West Glacier September Weather

Averages and records for weather in West Glacier, Montana in the month of September.

Typical West Glacier September Weather 1991–2020
Average daily high	69.0 °F
Average daily low	40.7 °F
Average monthly precipitation	1.9 inches
Average monthly snow	none
Daily chance of precipitation	31.9%
Daily chance of snow	0%

West Glacier September Weather Records 1949–2024
Highest temperature	95 °F	September 3, 1988
Lowest temperature	18 °F	September 29, 1985
Highest daily low	67 °F	September 2, 1967
Lowest daily high	37 °F	September 28, 1972
Hottest average high temperature	80.1 °F	1967
Coldest average high temperature	54.7 °F	1965
Most daily precipitation	1.6 inches	September 18, 2013
Most monthly precipitation	6.2 inches	1968
Most daily snow	3.0 inches	September 15, 1965
Most monthly snow	3.2 inches	1965

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	75.4	44.1	94	32
September 2	75.0	43.9	94	29
September 3	74.5	43.7	95	30
September 4	74.1	43.4	91	28
September 5	73.5	43.2	93	29
September 6	73.0	42.9	92	29
September 7	72.5	42.6	89	30
September 8	72.0	42.3	88	27
September 9	71.6	42.1	89	29
September 10	71.2	41.9	90	29
September 11	70.8	41.7	87	26
September 12	70.4	41.5	86	27
September 13	70.0	41.3	83	26
September 14	69.5	41.0	83	20
September 15	69.2	40.7	85	20
September 16	68.8	40.5	89	19
September 17	68.4	40.3	84	24
September 18	67.9	40.0	83	25
September 19	67.3	39.7	82	25
September 20	66.8	39.4	80	22
September 21	66.2	39.1	85	23
September 22	65.7	38.8	83	26
September 23	65.3	38.5	80	19
September 24	64.9	38.3	80	21
September 25	64.4	38.0	81	25
September 26	63.9	37.8	84	27
September 27	63.3	37.5	84	20
September 28	62.7	37.2	89	18
September 29	62.1	37.0	83	18
September 30	61.6	36.8	78	21

Weather Station Details

Years	Station	Coordinates
1949–2024	West Glacier	location