Union County, SC
: September 2026 so far averaged 76.3°F in Union County, SC, the warmest 1 to 29 September in the county average since 2019, 6th 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
- 81.5°F
- Warmest since 2024
- 34th warmest of 76
- Low
- 50.5°F
- Coldest since 2022
- 18th coldest of 76
No measurable precipitation in the county average of Union County, SC for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 45.4 to 68.4°F
Every year as a table
Every 29 September high of the county average in Union County, SC since 1951: 81.5°F in 2026; the highest is 92.9°F, in 2017.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 81.5 | 50.5 |
| 2025 | 79.5 | 64.1 |
| 2024 | 81.5 | 65 |
| 2023 | 76.4 | 57.9 |
| 2022 | 69.2 | 47.5 |
| 2021 | 84.8 | 56.2 |
| 2020 | 80.5 | 66.7 |
| 2019 | 90.2 | 66.2 |
| 2018 | 83.1 | 68.4 |
| 2017 | 92.9 | 64.5 |
| 2016 | 85.9 | 61.3 |
| 2015 | 74.4 | 69.9 |
| 2014 | 76.4 | 62.2 |
| 2013 | 75.7 | 52.8 |
| 2012 | 85 | 61.2 |
| 2011 | 84.4 | 61.1 |
| 2010 | 78.2 | 58.5 |
| 2009 | 84.1 | 50.2 |
| 2008 | 82.8 | 60.4 |
| 2007 | 86 | 53.6 |
| 2006 | 81.1 | 47.2 |
| 2005 | 83.4 | 63 |
| 2004 | 83.2 | 61 |
| 2003 | 75.6 | 44.3 |
| 2002 | 80.7 | 65.4 |
| 2001 | 72.8 | 45.4 |
| 2000 | 73.2 | 49.9 |
| 1999 | 78.3 | 68.9 |
| 1998 | 81.8 | 68.4 |
| 1997 | 69.2 | 61.8 |
| 1996 | 79.9 | 59.9 |
| 1995 | 78.3 | 54.1 |
| 1994 | 79.5 | 49.8 |
| 1993 | 76.1 | 42.7 |
| 1992 | 77.3 | 60.2 |
| 1991 | 76 | 45.4 |
| 1990 | 80.6 | 55.3 |
| 1989 | 70.2 | 49.8 |
| 1988 | 80.8 | 55.3 |
| 1987 | 81.3 | 58.4 |
| 1986 | 92.1 | 67.5 |
| 1985 | 76.6 | 43.8 |
| 1984 | 65.8 | 52.8 |
| 1983 | 81.6 | 51.5 |
| 1982 | 82.5 | 52.5 |
| 1981 | 87 | 50.5 |
| 1980 | 57.9 | 52.3 |
| 1979 | 77.1 | 65.1 |
| 1978 | 85 | 54.6 |
| 1977 | 82.4 | 51.2 |
| 1976 | 82.5 | 64.6 |
| 1975 | 75.3 | 50.6 |
| 1974 | 83.7 | 64.2 |
| 1973 | 87.3 | 64.3 |
| 1972 | 84.8 | 67.5 |
| 1971 | 82.7 | 60.6 |
| 1970 | 72.7 | 44.1 |
| 1969 | 82.1 | 49.8 |
| 1968 | 85 | 55.5 |
| 1967 | 75.9 | 43.3 |
| 1966 | 75.1 | 66.4 |
| 1965 | 69.9 | 55.5 |
| 1964 | 84.7 | 68.9 |
| 1963 | 72.7 | 57 |
| 1962 | 72.1 | 42.7 |
| 1961 | 83.9 | 52.2 |
| 1960 | 71.6 | 59.3 |
| 1959 | 85.3 | 64.9 |
| 1958 | 77.3 | 46.5 |
| 1957 | 55.4 | 46.3 |
| 1956 | 71.4 | 51.5 |
| 1955 | 86.8 | 61.7 |
| 1954 | 92.8 | 61.6 |
| 1953 | 86.6 | 53.8 |
| 1952 | 82.3 | 56.5 |
| 1951 | 80.5 | 51.8 |
The month
August 2026 averaged 80.5°F in Union County, SC, the warmest August in the county average since 2016, tied 13th warmest of 132 (with 1983, 1951 and 1938) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 81.5°F averaged over Union County, SC, the warmest 29 September in the county average since 2024, tied 34th warmest of 76 (with 2024) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 50.5°F averaged over Union County, SC, the coldest 29 September night in the county average since 2022, tied 18th coldest of 76 (with 1981) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Greenville-Spartanburg, SC 37.0 mi, the nearest city with its own station