Weather on September 19 at Glacier
Glacier National Park
Based on 55 years of data from Kalispell, MT
Elevation Note: Glacier sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Kalispell, MT at a lower elevation.
Planning Your Visit
September 19th in Glacier National Park (via Kalispell, MT) typically brings mild fall weather, with average highs around 67°F and lows near 39°F — a 28°F daily swing. Over 55 years of records, the warmest September 19th was in 1981 (71°F average), while the coldest was 1983 (37°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 19th dates historically, with the wettest September 19th recording 1.47" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Glacier? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 83°F | 43°F | 0" | 0" |
| 2024 | 77°F | 46°F | 0" | 0" |
| 2023 | 64°F | 35°F | 0" | 0" |
| 2022 | 71°F | 48°F | 0" | 0" |
| 2021 | 58°F | 46°F | 1.02" | 0" |
| 2020 | 63°F | 56°F | 0" | 0" |
| 2019 | 63°F | 44°F | 0.61" | 0" |
| 2018 | 68°F | 39°F | 0" | 0" |
| 2017 | 52°F | 40°F | 0.03" | 0" |
| 2016 | 65°F | 32°F | 0.13" | 0" |
| 2015 | 68°F | 31°F | 0" | 0" |
| 2014 | 74°F | 45°F | 0" | 0" |
| 2013 | 64°F | 39°F | 0" | 0" |
| 2012 | 80°F | 35°F | 0" | 0" |
| 2011 | 58°F | 35°F | 0.84" | 0" |
| 2010 | 60°F | 47°F | 0.69" | 0" |
| 2009 | 82°F | 38°F | 0" | 0" |
| 2008 | 85°F | 40°F | 0" | 0" |
| 2007 | 61°F | 39°F | 0.1" | 0" |
| 2006 | 61°F | 47°F | 1.04" | 0" |
| 2005 | 73°F | 34°F | 0" | 0" |
| 2004 | 56°F | 36°F | 0.13" | -- |
| 2003 | 66°F | 45°F | 1.47" | -- |
| 2002 | 74°F | 34°F | 0" | -- |
| 2001 | 76°F | 35°F | 0" | -- |
| 2000 | 69°F | 36°F | 0" | -- |
| 1999 | 70°F | 27°F | 0" | -- |
| 1998 | 59°F | 41°F | 0.81" | 0" |
| 1997 | 60°F | 36°F | 0" | 0" |
| 1996 | 56°F | 45°F | 0.03" | 0" |
| 1995 | 58°F | 36°F | 0" | 0" |
| 1994 | 81°F | 40°F | 0" | 0" |
| 1993 | 66°F | 34°F | 0" | 0" |
| 1992 | 70°F | 32°F | 0" | 0" |
| 1991 | 71°F | 30°F | 0" | 0" |
| 1990 | 75°F | 37°F | 0" | 0" |
| 1989 | 62°F | 37°F | 0" | 0" |
| 1988 | 48°F | 42°F | 1.14" | 0" |
| 1987 | 73°F | 31°F | 0" | 0" |
| 1986 | 60°F | 37°F | 0" | 0" |
| 1985 | 49°F | 35°F | 0.3" | 0" |
| 1984 | 81°F | 42°F | 0" | 0" |
| 1983 | 50°F | 23°F | 0" | 0" |
| 1982 | 78°F | 46°F | 0" | 0" |
| 1981 | 84°F | 58°F | 0" | 0" |
| 1980 | 61°F | 53°F | 0.1" | 0" |
| 1979 | 79°F | 40°F | 0" | 0" |
| 1978 | 58°F | 35°F | 0" | 0" |
| 1977 | 65°F | 45°F | 0" | 0" |
| 1976 | 78°F | 37°F | 0" | 0" |
| 1975 | 63°F | 32°F | 0" | 0" |
| 1974 | 72°F | 50°F | 0" | -- |
| 1973 | 61°F | 44°F | 0.53" | -- |
| 1972 | 73°F | 46°F | 0.46" | -- |
| 1971 | 64°F | 36°F | 0" | -- |