Weather on September 20 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 20th in Great Basin National Park (via Ely, NV) typically brings pleasant fall weather, with average highs around 73°F and lows near 36°F — a 37°F daily swing. Over 55 years of records, the warmest September 20th was in 2000 (64°F average), while the coldest was 1978 (36°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 20th dates historically, with the wettest September 20th recording 1.57" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Great Basin? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 76°F | 45°F | 0" | 0" |
| 2024 | 76°F | 36°F | 0" | 0" |
| 2023 | 75°F | 40°F | 0.1" | 0" |
| 2022 | 76°F | 45°F | 0" | 0" |
| 2021 | 67°F | 30°F | 0" | 0" |
| 2020 | 79°F | 32°F | 0" | 0" |
| 2019 | 58°F | 29°F | 0" | 0" |
| 2018 | 76°F | 30°F | 0" | 0" |
| 2017 | 75°F | 31°F | 0" | 0" |
| 2016 | 82°F | 44°F | 0" | 0" |
| 2015 | 85°F | 35°F | 0" | 0" |
| 2014 | 82°F | 42°F | 0" | 0" |
| 2013 | 78°F | 33°F | 0" | 0" |
| 2012 | 82°F | 37°F | 0" | 0" |
| 2011 | 82°F | 39°F | 0" | 0" |
| 2010 | 78°F | 33°F | 0" | 0" |
| 2009 | 77°F | 45°F | 0" | 0" |
| 2008 | 76°F | 47°F | 0" | 0" |
| 2007 | 75°F | 39°F | 0" | 0" |
| 2006 | 51°F | 27°F | 0.03" | 0" |
| 2005 | 72°F | 37°F | 1.57" | 0" |
| 2004 | 52°F | 31°F | 0" | 0" |
| 2003 | 77°F | 32°F | 0" | 0" |
| 2002 | 79°F | 33°F | 0" | 0" |
| 2001 | 85°F | 37°F | 0" | 0" |
| 2000 | 81°F | 47°F | 0" | 0" |
| 1999 | 76°F | 39°F | 0" | 0" |
| 1998 | 60°F | 39°F | 0" | 0" |
| 1997 | 59°F | 41°F | 0.03" | -- |
| 1996 | 73°F | 31°F | 0" | -- |
| 1995 | 79°F | 39°F | 0" | -- |
| 1994 | 71°F | 37°F | 0" | 0" |
| 1993 | 75°F | 39°F | 0" | 0" |
| 1992 | 78°F | 36°F | 0" | 0" |
| 1991 | 82°F | 36°F | 0" | 0" |
| 1990 | 73°F | 35°F | 0" | 0" |
| 1989 | 67°F | 39°F | 0.41" | 0" |
| 1988 | 61°F | 42°F | 0.18" | 0" |
| 1987 | 80°F | 32°F | 0" | 0" |
| 1986 | 63°F | 28°F | 0" | 0" |
| 1985 | 63°F | 27°F | 0" | 0" |
| 1984 | 77°F | 46°F | 0.48" | 0" |
| 1983 | 67°F | 23°F | 0" | 0" |
| 1982 | 75°F | 38°F | 0" | 0" |
| 1981 | 84°F | 37°F | 0" | 0" |
| 1980 | 72°F | 30°F | 0" | 0" |
| 1979 | 80°F | 42°F | 0" | 0" |
| 1978 | 54°F | 19°F | 0" | 0" |
| 1977 | 59°F | 30°F | 0.08" | 0" |
| 1976 | 76°F | 33°F | 0" | 0" |
| 1975 | 72°F | 34°F | 0" | 0" |
| 1974 | 82°F | 33°F | 0" | 0" |
| 1973 | 79°F | 45°F | 0" | 0" |
| 1972 | 67°F | 30°F | 0" | 0" |
| 1971 | 70°F | 28°F | 0" | 0" |