Weather on August 9
Charleston, SC
55 Years of Data
Avg High
88°F
Avg Low
76°F
Warmest
2001
88°F avg
Coldest
1989
69°F avg
About This Date
August 9th in Charleston, SC typically brings warm summer weather, with average highs around 88°F and lows near 76°F. Over 55 years of records, the warmest August 9th was in 2001 (88°F average), while the coldest was 1989 (69°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 9th dates historically, with the wettest August 9th recording 4.27" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Charleston, SC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 75° | 78° | 3.33" | — |
| 2024 | 88° | 75° | 81° | 0.2" | — |
| 2023 | 89° | 78° | 84° | — | — |
| 2022 | 88° | 77° | 82° | 0.03" | — |
| 2021 | 89° | 80° | 85° | — | — |
| 2020 | 90° | 78° | 84° | — | — |
| 2019 | 95° | 80° | 88° | — | — |
| 2018 | 93° | 74° | 83° | 0.36" | — |
| 2017 | 80° | 75° | 78° | 3.89" | — |
| 2016 | 84° | 78° | 81° | 0.25" | — |
| 2015 | 86° | 76° | 81° | — | — |
| 2014 | 89° | 76° | 82° | 2.41" | — |
| 2013 | 87° | 80° | 84° | — | — |
| 2012 | 86° | 74° | 80° | 0.25" | — |
| 2011 | 96° | 77° | 87° | 0.08" | — |
| 2010 | 88° | 78° | 83° | — | — |
| 2009 | 88° | 78° | 83° | — | — |
| 2008 | 86° | 74° | 80° | — | — |
| 2007 | 94° | 83° | 88° | — | — |
| 2006 | 89° | 77° | 83° | 0.13" | — |
| 2005 | 83° | 75° | 79° | 0.41" | — |
| 2004 | 81° | 72° | 76° | — | — |
| 2003 | 86° | 78° | 82° | — | — |
| 2002 | 81° | 73° | 77° | — | — |
| 2001warmest | 95° | 80° | 88° | — | — |
| 2000 | 94° | 80° | 87° | — | — |
| 1999 | 93° | 77° | 85° | 1.52" | — |
| 1998 | 88° | 81° | 84° | — | — |
| 1997 | 79° | 73° | 76° | 0.2" | — |
| 1996 | 83° | 75° | 79° | — | — |
| 1995 | 84° | 73° | 79° | — | — |
| 1994 | 82° | 73° | 78° | — | — |
| 1993 | 81° | 71° | 76° | 3.51" | — |
| 1992 | 87° | 77° | 82° | — | — |
| 1991 | 94° | 79° | 86° | 0.23" | — |
| 1990 | 85° | 74° | 79° | 0.28" | — |
| 1989coldest | 71° | 67° | 69° | 1.02" | — |
| 1988 | 87° | 78° | 83° | — | — |
| 1987 | 86° | 80° | 83° | — | — |
| 1986 | 94° | 80° | 87° | — | — |
| 1985 | 80° | 72° | 76° | 4.27" | — |
| 1984 | 94° | 78° | 86° | — | — |
| 1983 | 91° | 77° | 84° | 0.25" | — |
| 1982 | 90° | 72° | 81° | 0.79" | — |
| 1981 | 90° | 75° | 82° | 0.66" | — |
| 1980 | 91° | 78° | 85° | — | — |
| 1979 | 95° | 77° | 86° | — | — |
| 1978 | 89° | 78° | 84° | — | — |
| 1977 | 94° | 79° | 86° | — | — |
| 1976 | 88° | 69° | 78° | — | — |
| 1975 | 88° | 74° | 81° | — | — |
| 1974 | 84° | 72° | 78° | 0.66" | — |
| 1973 | 86° | 73° | 80° | 0.03" | — |
| 1972 | 94° | 77° | 85° | — | — |
| 1971 | 86° | 77° | 82° | — | — |
55 years of data from DWTN CHARLESTON