Buchanan County, IA
: September 2026 so far averaged 66.8°F in Buchanan County, IA, the warmest 1 to 29 September in the county average since 2015, 3rd warmest 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
- 75°F
- Warmest since 2025
- 19th warmest of 76
- Low
- 51.1°F
- Warmest since 2024
- 19th warmest of 76
No measurable precipitation in the county average of Buchanan County, IA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 34.6 to 51.9°F
Every year as a table
Every 29 September high of the county average in Buchanan County, IA since 1951: 75°F in 2026; the highest is 89.8°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75 | 51.1 |
| 2025 | 83.6 | 50.1 |
| 2024 | 83 | 51.5 |
| 2023 | 73 | 58.4 |
| 2022 | 61 | 31.6 |
| 2021 | 81.6 | 53.3 |
| 2020 | 58.8 | 42.3 |
| 2019 | 65.3 | 51.9 |
| 2018 | 50.8 | 34.4 |
| 2017 | 75.3 | 42.4 |
| 2016 | 64 | 48.3 |
| 2015 | 82.5 | 54.7 |
| 2014 | 81.5 | 52.8 |
| 2013 | 72.5 | 42 |
| 2012 | 72.8 | 37.1 |
| 2011 | 66.6 | 47.9 |
| 2010 | 71.9 | 45.2 |
| 2009 | 59.1 | 42.4 |
| 2008 | 71.3 | 51.9 |
| 2007 | 74.4 | 44.2 |
| 2006 | 58.9 | 39.1 |
| 2005 | 61.7 | 38.4 |
| 2004 | 67.5 | 36.4 |
| 2003 | 55.3 | 30.4 |
| 2002 | 73.7 | 47.9 |
| 2001 | 68.3 | 39.8 |
| 2000 | 72.7 | 46.1 |
| 1999 | 60.5 | 41.9 |
| 1998 | 78.7 | 50.1 |
| 1997 | 75 | 52.1 |
| 1996 | 65.5 | 47.4 |
| 1995 | 79.4 | 51 |
| 1994 | 66.9 | 40.3 |
| 1993 | 59.3 | 35.8 |
| 1992 | 56.2 | 30.8 |
| 1991 | 65 | 34.6 |
| 1990 | 69.8 | 47.6 |
| 1989 | 76.7 | 41 |
| 1988 | 63.5 | 53.9 |
| 1987 | 70.4 | 50.8 |
| 1986 | 76 | 57.8 |
| 1985 | 60.6 | 43.6 |
| 1984 | 52 | 26.6 |
| 1983 | 82.2 | 55.2 |
| 1982 | 76.5 | 52 |
| 1981 | 64.5 | 37.8 |
| 1980 | 73.2 | 46.7 |
| 1979 | 80.6 | 54.4 |
| 1978 | 67.9 | 39.7 |
| 1977 | 71.1 | 44.3 |
| 1976 | 61.4 | 39.6 |
| 1975 | 61 | 47.8 |
| 1974 | 60.6 | 40.1 |
| 1973 | 65.5 | 58.8 |
| 1972 | 67.4 | 36.7 |
| 1971 | 85.1 | 50.3 |
| 1970 | 67.2 | 37.9 |
| 1969 | 69.8 | 43.5 |
| 1968 | 61.6 | 44.3 |
| 1967 | 55.8 | 26.7 |
| 1966 | 67.3 | 44.9 |
| 1965 | 73.2 | 54.4 |
| 1964 | 64.8 | 34.6 |
| 1963 | 70 | 42.5 |
| 1962 | 65.9 | 34 |
| 1961 | 57.1 | 32.7 |
| 1960 | 64.7 | 44.7 |
| 1959 | 62.8 | 39.9 |
| 1958 | 71.1 | 43.1 |
| 1957 | 68.6 | 34.2 |
| 1956 | 75.5 | 43.7 |
| 1955 | 74 | 52.5 |
| 1954 | 76.7 | 57.6 |
| 1953 | 89.8 | 57.6 |
| 1952 | 81.7 | 47.7 |
| 1951 | 54 | 31.4 |
The month
August 2026 averaged 70.2°F in Buchanan County, IA, the warmest August in the county average since 2023, tied 60th warmest of 132 (with 2018 and 1993) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 75°F averaged over Buchanan County, IA, the warmest 29 September in the county average since 2025, tied 19th warmest of 76 (with 1997) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 51.1°F averaged over Buchanan County, IA, the warmest 29 September night in the county average since 2024, 19th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Waterloo, IA 29.2 mi, the nearest city with its own station