Union County, IN
: September 2026 so far averaged 71.2°F in Union County, IN, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 76.6°F
- Warmest since 2025
- 25th warmest of 76
- Low
- 46.8°F
- Coldest since 2022
- 37th coldest of 76
No measurable precipitation in the county average of Union County, IN for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 40 to 53.1°F
Every year as a table
Every 29 September high of the county average in Union County, IN since 1951: 76.6°F in 2026; the highest is 90.9°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 76.6 | 46.8 |
| 2025 | 87.7 | 55.2 |
| 2024 | 66.2 | 62.9 |
| 2023 | 72.8 | 57.8 |
| 2022 | 60.6 | 40.6 |
| 2021 | 81.8 | 53.9 |
| 2020 | 63.2 | 42.9 |
| 2019 | 87.9 | 62.9 |
| 2018 | 71.7 | 46.7 |
| 2017 | 72.9 | 45.9 |
| 2016 | 63.6 | 50.1 |
| 2015 | 81.8 | 60.8 |
| 2014 | 82.3 | 52.5 |
| 2013 | 80 | 50.2 |
| 2012 | 67.2 | 50 |
| 2011 | 63.3 | 49.5 |
| 2010 | 65.8 | 44.6 |
| 2009 | 63.2 | 49.8 |
| 2008 | 79.6 | 50.8 |
| 2007 | 76.5 | 46 |
| 2006 | 60.2 | 40.1 |
| 2005 | 77 | 47.9 |
| 2004 | 75.3 | 48 |
| 2003 | 58.7 | 40.2 |
| 2002 | 74.6 | 51.8 |
| 2001 | 61.7 | 41.7 |
| 2000 | 66.9 | 38.7 |
| 1999 | 83.7 | 58.1 |
| 1998 | 79.9 | 51.9 |
| 1997 | 78.9 | 48.7 |
| 1996 | 64.9 | 42.9 |
| 1995 | 79.8 | 46.5 |
| 1994 | 68.1 | 41.9 |
| 1993 | 64.1 | 38.4 |
| 1992 | 71.2 | 37.2 |
| 1991 | 70.8 | 46 |
| 1990 | 80.6 | 56.3 |
| 1989 | 70.8 | 39.4 |
| 1988 | 79.2 | 51.9 |
| 1987 | 81.4 | 54.4 |
| 1986 | 88.5 | 67.4 |
| 1985 | 71.7 | 41.4 |
| 1984 | 59.3 | 40 |
| 1983 | 80.1 | 47.2 |
| 1982 | 73.3 | 47.7 |
| 1981 | 65.9 | 38.1 |
| 1980 | 75.9 | 45.4 |
| 1979 | 71.3 | 54.6 |
| 1978 | 67.4 | 39.6 |
| 1977 | 70.8 | 43.1 |
| 1976 | 65 | 40.2 |
| 1975 | 69.8 | 40.7 |
| 1974 | 69.5 | 51.5 |
| 1973 | 85.1 | 66.8 |
| 1972 | 69.4 | 58.3 |
| 1971 | 85.7 | 65.5 |
| 1970 | 62.7 | 34.4 |
| 1969 | 69.2 | 39.2 |
| 1968 | 70.3 | 46.1 |
| 1967 | 46.5 | 39.1 |
| 1966 | 69 | 49.1 |
| 1965 | 74.8 | 47.4 |
| 1964 | 57.6 | 45.5 |
| 1963 | 74 | 46.9 |
| 1962 | 63.8 | 35.4 |
| 1961 | 66.4 | 35.4 |
| 1960 | 75.9 | 49.9 |
| 1959 | 84.5 | 63.2 |
| 1958 | 65.8 | 39.8 |
| 1957 | 67.6 | 38.5 |
| 1956 | 76.4 | 41.7 |
| 1955 | 77.5 | 51 |
| 1954 | 85.5 | 59.8 |
| 1953 | 90.9 | 47.8 |
| 1952 | 83.3 | 50.5 |
| 1951 | 60 | 31.8 |
The month
August 2026 averaged 72.6°F in Union County, IN, the warmest August in the county average since 2021, 49th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 76.6°F averaged over Union County, IN, the warmest 29 September in the county average since 2025, 25th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 46.8°F averaged over Union County, IN, the coldest 29 September night in the county average since 2022, 37th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Cincinnati, OH 41.9 mi, the nearest city with its own station