Weather on September 12 at Great Smoky Mountains
Great Smoky Mountains National Park
Based on 56 years of data from Gatlinburg, TN
Elevation Note: Great Smoky Mountains sits at 4,900 ft. Expect temperatures 17°F cooler than the data shown below, which comes from Gatlinburg, TN at a lower elevation.
Planning Your Visit
September 12th in Great Smoky Mountains National Park (via Gatlinburg, TN) typically brings warm fall weather, with average highs around 80°F and lows near 57°F. Over 56 years of records, the warmest September 12th was in 1983 (75°F average), while the coldest was 2017 (54°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 12th dates historically, with the wettest September 12th recording 1.21" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 12th in Great Smoky Mountains? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 83°F | 65°F | 0" | -- |
| 2025 | 75°F | 52°F | 0" | 0" |
| 2024 | 80°F | 55°F | 0" | 0" |
| 2023 | 76°F | 60°F | 0" | 0" |
| 2022 | 75°F | 64°F | 0.31" | 0" |
| 2021 | 76°F | 52°F | 0" | 0" |
| 2020 | 82°F | 64°F | 0.5" | 0" |
| 2019 | 85°F | 64°F | 0" | 0" |
| 2018 | 74°F | 64°F | 0.03" | 0" |
| 2017 | 59°F | 49°F | 0.54" | 0" |
| 2016 | 81°F | 56°F | 0" | 0" |
| 2015 | 78°F | 63°F | 0.09" | 0" |
| 2014 | 81°F | 65°F | 0.71" | 0" |
| 2013 | 80°F | 62°F | 0" | 0" |
| 2012 | 76°F | 52°F | 0" | 0" |
| 2011 | 81°F | 52°F | 0" | 0" |
| 2010 | 83°F | 65°F | 1.21" | 0" |
| 2009 | 73°F | 57°F | 0.45" | 0" |
| 2008 | 86°F | 63°F | 0" | 0" |
| 2007 | 78°F | 63°F | 0.2" | 0" |
| 2006 | 80°F | 58°F | 0.55" | 0" |
| 2005 | 85°F | 54°F | 0" | 0" |
| 2004 | 81°F | 62°F | 0.2" | 0" |
| 2003 | 77°F | 56°F | 0" | 0" |
| 2002 | 85°F | 53°F | 0" | 0" |
| 2001 | 81°F | 56°F | 0" | 0" |
| 2000 | 86°F | 62°F | 0" | 0" |
| 1999 | 87°F | 48°F | 0" | 0" |
| 1998 | 86°F | 46°F | 0" | 0" |
| 1997 | 73°F | 53°F | 0" | 0" |
| 1996 | 80°F | 55°F | 0" | 0" |
| 1995 | 74°F | 62°F | 0.15" | 0" |
| 1994 | 82°F | 52°F | 0" | 0" |
| 1993 | 74°F | 44°F | 0" | 0" |
| 1992 | 76°F | 50°F | 0" | 0" |
| 1991 | 80°F | 64°F | 0.05" | 0" |
| 1990 | 84°F | 61°F | 0" | 0" |
| 1989 | 81°F | 61°F | 0.43" | 0" |
| 1988 | 80°F | 61°F | 0" | 0" |
| 1987 | 78°F | 63°F | 0.21" | -- |
| 1986 | 82°F | 61°F | 0.95" | 0" |
| 1985 | 80°F | 59°F | 0" | 0" |
| 1984 | 84°F | 58°F | 0" | 0" |
| 1983 | 86°F | 65°F | 0.02" | 0" |
| 1982 | 72°F | 50°F | 0.04" | 0" |
| 1981 | 80°F | 54°F | 0" | 0" |
| 1980 | 82°F | 54°F | 0" | 0" |
| 1979 | 80°F | 48°F | 0" | 0" |
| 1978 | 80°F | 56°F | 0" | 0" |
| 1977 | 76°F | 46°F | 0" | 0" |
| 1976 | 74°F | 39°F | 0" | 0" |
| 1975 | 84°F | 60°F | 0.01" | 0" |
| 1974 | 84°F | 58°F | 0" | 0" |
| 1973 | 78°F | 55°F | 0" | 0" |
| 1972 | 79°F | 56°F | 0" | 0" |
| 1971 | 80°F | 62°F | 0.08" | 0" |
September 12 at Nearby Parks
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See historical weather for other dates
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