Weather on September 11
Kalispell, MT
55 Years of Data
Avg High
72°F
Avg Low
40°F
Warmest
2013
70°F avg
Coldest
1982
42°F avg
About This Date
September 11th in Kalispell, MT typically brings pleasant fall weather, with average highs around 72°F and lows near 40°F — a 32°F daily swing. Over 55 years of records, the warmest September 11th was in 2013 (70°F average), while the coldest was 1982 (42°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 11th dates historically, with the wettest September 11th recording 1.32" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Kalispell, MT? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 52° | 68° | — | — |
| 2024 | 70° | 47° | 58° | — | — |
| 2023 | 78° | 41° | 60° | — | — |
| 2022 | 74° | 31° | 53° | — | — |
| 2021 | 62° | 54° | 58° | 0.18" | — |
| 2020 | 82° | 35° | 59° | — | — |
| 2019 | 70° | 48° | 59° | — | — |
| 2018 | 68° | 41° | 55° | — | — |
| 2017 | 82° | 36° | 59° | — | — |
| 2016 | 66° | 38° | 52° | 0.3" | — |
| 2015 | 81° | 41° | 61° | — | — |
| 2014 | 57° | 29° | 43° | — | — |
| 2013warmest | 88° | 52° | 70° | — | — |
| 2012 | 65° | 32° | 48° | — | — |
| 2011 | 85° | 39° | 62° | — | — |
| 2010 | 67° | 33° | 50° | — | — |
| 2009 | 80° | 39° | 60° | — | — |
| 2008 | 72° | 32° | 52° | — | — |
| 2007 | 83° | 35° | 59° | — | — |
| 2006 | 80° | 35° | 58° | — | — |
| 2005 | 47° | 39° | 43° | 1.32" | — |
| 2004 | 68° | 44° | 56° | 0.46" | — |
| 2003 | 66° | 51° | 59° | 0.58" | — |
| 2002 | 81° | 40° | 60° | — | — |
| 2001 | 77° | 50° | 64° | — | — |
| 2000 | 66° | 37° | 52° | — | — |
| 1999 | 66° | 34° | 50° | — | — |
| 1998 | 77° | 38° | 57° | — | — |
| 1997 | 63° | 40° | 51° | 0.46" | — |
| 1996 | 81° | 45° | 63° | — | — |
| 1995 | 80° | 40° | 60° | — | — |
| 1994 | 63° | 38° | 50° | — | — |
| 1993 | 76° | 39° | 57° | — | — |
| 1992 | 70° | 37° | 53° | — | — |
| 1991 | 73° | 38° | 55° | — | — |
| 1990 | 87° | 40° | 63° | — | — |
| 1989 | 64° | 29° | 46° | — | — |
| 1988 | 61° | 36° | 48° | — | — |
| 1987 | 82° | 43° | 62° | — | — |
| 1986 | 61° | 36° | 48° | 0.33" | — |
| 1985 | 79° | 43° | 61° | 0.23" | — |
| 1984 | 59° | 39° | 49° | — | — |
| 1983 | 64° | 41° | 53° | 0.3" | — |
| 1982coldest | 52° | 32° | 42° | 0.13" | — |
| 1981 | 79° | 45° | 62° | — | — |
| 1980 | 75° | 49° | 62° | — | — |
| 1979 | 68° | 36° | 52° | — | — |
| 1978 | 62° | 48° | 55° | 0.1" | — |
| 1977 | 70° | 34° | 52° | — | — |
| 1976 | 73° | 39° | 56° | — | — |
| 1975 | 72° | 48° | 60° | — | — |
| 1974 | 54° | 39° | 46° | 0.41" | — |
| 1973 | 83° | 50° | 66° | — | — |
| 1972 | 70° | 36° | 53° | — | — |
| 1971 | 78° | 49° | 63° | — | — |
55 years of data from KALISPELL