Weather on September 19
Kalispell, MT
55 Years of Data
Avg High
67°F
Avg Low
39°F
Warmest
1981
71°F avg
Coldest
1983
37°F avg
About This Date
September 19th in 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 Kalispell, MT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 43° | 63° | — | — |
| 2024 | 77° | 46° | 62° | — | — |
| 2023 | 64° | 35° | 50° | — | — |
| 2022 | 71° | 48° | 60° | — | — |
| 2021 | 58° | 46° | 52° | 1.02" | — |
| 2020 | 63° | 56° | 59° | — | — |
| 2019 | 63° | 44° | 53° | 0.61" | — |
| 2018 | 68° | 39° | 54° | — | — |
| 2017 | 52° | 40° | 46° | 0.03" | — |
| 2016 | 65° | 32° | 48° | 0.13" | — |
| 2015 | 68° | 31° | 50° | — | — |
| 2014 | 74° | 45° | 59° | — | — |
| 2013 | 64° | 39° | 52° | — | — |
| 2012 | 80° | 35° | 58° | — | — |
| 2011 | 58° | 35° | 46° | 0.84" | — |
| 2010 | 60° | 47° | 53° | 0.69" | — |
| 2009 | 82° | 38° | 60° | — | — |
| 2008 | 85° | 40° | 62° | — | — |
| 2007 | 61° | 39° | 50° | 0.1" | — |
| 2006 | 61° | 47° | 54° | 1.04" | — |
| 2005 | 73° | 34° | 53° | — | — |
| 2004 | 56° | 36° | 46° | 0.13" | — |
| 2003 | 66° | 45° | 55° | 1.47" | — |
| 2002 | 74° | 34° | 54° | — | — |
| 2001 | 76° | 35° | 55° | — | — |
| 2000 | 69° | 36° | 52° | — | — |
| 1999 | 70° | 27° | 48° | — | — |
| 1998 | 59° | 41° | 50° | 0.81" | — |
| 1997 | 60° | 36° | 48° | — | — |
| 1996 | 56° | 45° | 50° | 0.03" | — |
| 1995 | 58° | 36° | 47° | — | — |
| 1994 | 81° | 40° | 60° | — | — |
| 1993 | 66° | 34° | 50° | — | — |
| 1992 | 70° | 32° | 51° | — | — |
| 1991 | 71° | 30° | 51° | — | — |
| 1990 | 75° | 37° | 56° | — | — |
| 1989 | 62° | 37° | 50° | — | — |
| 1988 | 48° | 42° | 45° | 1.14" | — |
| 1987 | 73° | 31° | 52° | — | — |
| 1986 | 60° | 37° | 49° | — | — |
| 1985 | 49° | 35° | 42° | 0.3" | — |
| 1984 | 81° | 42° | 61° | — | — |
| 1983coldest | 50° | 23° | 37° | — | — |
| 1982 | 78° | 46° | 62° | — | — |
| 1981warmest | 84° | 58° | 71° | — | — |
| 1980 | 61° | 53° | 57° | 0.1" | — |
| 1979 | 79° | 40° | 59° | — | — |
| 1978 | 58° | 35° | 46° | — | — |
| 1977 | 65° | 45° | 55° | — | — |
| 1976 | 78° | 37° | 58° | — | — |
| 1975 | 63° | 32° | 47° | — | — |
| 1974 | 72° | 50° | 61° | — | — |
| 1973 | 61° | 44° | 52° | 0.53" | — |
| 1972 | 73° | 46° | 60° | 0.46" | — |
| 1971 | 64° | 36° | 50° | — | — |
55 years of data from KALISPELL