Weather on September 15 at Great Basin
Great Basin National Park
Based on 55 years of data from Ely, NV
Elevation Note: Great Basin sits at 6,800 ft. Expect temperatures 24°F cooler than the data shown below, which comes from Ely, NV at a lower elevation.
Planning Your Visit
September 15th in Great Basin National Park (via Ely, NV) typically brings pleasant fall weather, with average highs around 77°F and lows near 38°F — a 39°F daily swing. Over 55 years of records, the warmest September 15th was in 2024 (66°F average), while the coldest was 1982 (44°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 15th dates historically, with the wettest September 15th recording 1.6" 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 15th in Great Basin? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 39°F | 0" | 0" |
| 2024 | 78°F | 53°F | 0" | 0" |
| 2023 | 75°F | 37°F | 0" | 0" |
| 2022 | 70°F | 43°F | 1.6" | 0" |
| 2021 | 85°F | 40°F | 0" | 0" |
| 2020 | 85°F | 41°F | 0" | 0" |
| 2019 | 84°F | 43°F | 0" | 0" |
| 2018 | 83°F | 47°F | 0" | 0" |
| 2017 | 64°F | 33°F | 0" | 0" |
| 2016 | 71°F | 27°F | 0" | 0" |
| 2015 | 71°F | 57°F | 0.03" | 0" |
| 2014 | 84°F | 44°F | 0" | 0" |
| 2013 | 79°F | 44°F | 0" | 0" |
| 2012 | 80°F | 40°F | 0" | 0" |
| 2011 | 77°F | 39°F | 0" | 0" |
| 2010 | 80°F | 32°F | 0" | 0" |
| 2009 | 69°F | 38°F | 0" | 0" |
| 2008 | 83°F | 36°F | 0" | 0" |
| 2007 | 78°F | 32°F | 0" | 0" |
| 2006 | 65°F | 31°F | 0" | 0" |
| 2005 | 75°F | 29°F | 0" | 0" |
| 2004 | 77°F | 25°F | 0" | 0" |
| 2003 | 81°F | 45°F | 0" | 0" |
| 2002 | 82°F | 43°F | 0" | 0" |
| 2001 | 81°F | 38°F | 0" | 0" |
| 2000 | 86°F | 43°F | 0" | 0" |
| 1999 | 75°F | 37°F | 0" | 0" |
| 1998 | 81°F | 45°F | 0" | 0" |
| 1997 | 77°F | 36°F | 0" | -- |
| 1996 | 76°F | 34°F | 0.03" | -- |
| 1995 | 88°F | 40°F | 0" | -- |
| 1994 | 70°F | 30°F | 0" | 0" |
| 1993 | 75°F | 37°F | 0" | 0" |
| 1992 | 80°F | 47°F | 0" | 0" |
| 1991 | 70°F | 25°F | 0" | 0" |
| 1990 | 85°F | 45°F | 0" | 0" |
| 1989 | 82°F | 33°F | 0" | 0" |
| 1988 | 79°F | 31°F | 0" | 0" |
| 1987 | 80°F | 38°F | 0" | 0" |
| 1986 | 70°F | 38°F | 0" | 0" |
| 1985 | 76°F | 34°F | 0" | 0" |
| 1984 | 80°F | 44°F | 0.15" | 0" |
| 1983 | 84°F | 38°F | 0" | 0" |
| 1982 | 52°F | 37°F | 0.2" | 0" |
| 1981 | 84°F | 37°F | 0" | 0" |
| 1980 | 77°F | 38°F | 0" | 0" |
| 1979 | 82°F | 29°F | 0" | 0" |
| 1978 | 66°F | 39°F | 0" | 0" |
| 1977 | 75°F | 33°F | 0" | 0" |
| 1976 | 71°F | 50°F | 0" | 0" |
| 1975 | 79°F | 40°F | 0" | 0" |
| 1974 | 73°F | 26°F | 0" | 0" |
| 1973 | 80°F | 33°F | 0" | 0" |
| 1972 | 80°F | 33°F | 0" | 0" |
| 1971 | 78°F | 29°F | 0" | 0" |