Flathead County, MT
: September 2026 so far brought 3.30 in of precipitation in Flathead County, MT, the wettest 1 to 29 September in the county average since 2019, 10th wettest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 56.8°F
- Coldest since 2023
- 33rd coldest of 76
- Low
- 30.8°F
- Coldest since 2019
- 12th coldest of 76
- Precipitation
- 0.01 in
- Wettest since 2023
- 27th wettest of 76
- Normal range, 30.3 to 42.3°F
Every year as a table
Every 29 September high of the county average in Flathead County, MT since 1951: 56.8°F in 2026; the highest is 78°F, in 2022.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 56.8 | 30.8 |
| 2025 | 71.5 | 39.9 |
| 2024 | 72.3 | 38.9 |
| 2023 | 48.8 | 36.6 |
| 2022 | 78 | 45 |
| 2021 | 51.2 | 38.6 |
| 2020 | 62.1 | 34.4 |
| 2019 | 33.7 | 25.5 |
| 2018 | 48.3 | 32.9 |
| 2017 | 68.3 | 36.7 |
| 2016 | 69.1 | 40.6 |
| 2015 | 62.2 | 30.3 |
| 2014 | 55.2 | 39.3 |
| 2013 | 48.7 | 38.1 |
| 2012 | 72.8 | 39.7 |
| 2011 | 56.6 | 31.6 |
| 2010 | 71.2 | 46.5 |
| 2009 | 68 | 31.6 |
| 2008 | 62.9 | 34.8 |
| 2007 | 60.5 | 36.9 |
| 2006 | 69.1 | 42.8 |
| 2005 | 59.7 | 31.2 |
| 2004 | 67.4 | 39 |
| 2003 | 67.7 | 36.4 |
| 2002 | 56.8 | 29.8 |
| 2001 | 57.5 | 36.2 |
| 2000 | 67.3 | 38.3 |
| 1999 | 48.4 | 24.3 |
| 1998 | 65.4 | 37.7 |
| 1997 | 54.3 | 39.8 |
| 1996 | 68.1 | 39.9 |
| 1995 | 53 | 40.9 |
| 1994 | 76.2 | 43.3 |
| 1993 | 67.6 | 37.4 |
| 1992 | 63.8 | 33 |
| 1991 | 71.9 | 42.3 |
| 1990 | 65.4 | 34.1 |
| 1989 | 69.2 | 39.7 |
| 1988 | 51.1 | 32.2 |
| 1987 | 59.5 | 32.5 |
| 1986 | 43.4 | 37.8 |
| 1985 | 40.9 | 17.1 |
| 1984 | 50.3 | 19.8 |
| 1983 | 46.8 | 26.4 |
| 1982 | 37.9 | 33.9 |
| 1981 | 51.7 | 33.7 |
| 1980 | 62.7 | 42.7 |
| 1979 | 61.7 | 34.1 |
| 1978 | 48.3 | 39.3 |
| 1977 | 44.5 | 41.1 |
| 1976 | 67.5 | 38.8 |
| 1975 | 64.6 | 33.7 |
| 1974 | 55.7 | 29.9 |
| 1973 | 69.9 | 35.1 |
| 1972 | 41 | 26.3 |
| 1971 | 46 | 33 |
| 1970 | 68.8 | 34.6 |
| 1969 | 60 | 40.5 |
| 1968 | 60.2 | 37.3 |
| 1967 | 77.7 | 43.9 |
| 1966 | 60.7 | 45.1 |
| 1965 | 48.1 | 31.1 |
| 1964 | 58 | 35.8 |
| 1963 | 74.9 | 36.8 |
| 1962 | 49.7 | 40.5 |
| 1961 | 41.4 | 31.1 |
| 1960 | 62.5 | 28.5 |
| 1959 | 43.1 | 31.4 |
| 1958 | 56.3 | 34.2 |
| 1957 | 67.9 | 34.2 |
| 1956 | 44.4 | 35.1 |
| 1955 | 42.8 | 36.5 |
| 1954 | 39.2 | 30.5 |
| 1953 | 51.7 | 40.9 |
| 1952 | 66.8 | 36.6 |
| 1951 | 54.9 | 33.9 |
The month
September 2026 so far averaged 51.4°F in Flathead County, MT, the warmest 1 to 29 September in the county average since 2025, 34th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 61.3°F in Flathead County, MT, the warmest August in the county average since 2025, tied 25th warmest of 132 (with 1984 and 1930) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 56.8°F averaged over Flathead County, MT, the coldest 29 September day in the county average since 2023, tied 33rd coldest of 76 (with 2002) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 30.8°F averaged over Flathead County, MT, the coldest 29 September night in the county average since 2019, 12th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.01 in of precipitation averaged over Flathead County, MT, the wettest 29 September in the county average since 2023, tied 27th wettest of 76 (with 2022, 2014, 1992 and 2 other years) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Kalispell, MT 9.8 mi, the nearest city with its own station