Weather on September 15 at Pinnacles
Pinnacles National Park
Based on 55 years of data from Salinas, CA
Elevation Note: Pinnacles sits at 2,000 ft. Expect temperatures 7°F cooler than the data shown below, which comes from Salinas, CA at a lower elevation.
Planning Your Visit
September 15th in Pinnacles National Park (via Salinas, CA) typically brings pleasant fall weather, with average highs around 73°F and lows near 54°F. Over 55 years of records, the warmest September 15th was in 1994 (72°F average), while the coldest was 1992 (57°F) — a 15°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 Pinnacles? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 57°F | 0" | -- |
| 2024 | 67°F | 58°F | 0" | -- |
| 2023 | 70°F | 60°F | 0" | -- |
| 2022 | 74°F | 61°F | 0" | -- |
| 2021 | 70°F | 57°F | 0" | -- |
| 2020 | 74°F | 50°F | 0" | -- |
| 2019 | 71°F | 54°F | 0" | -- |
| 2018 | 69°F | 56°F | 0" | -- |
| 2017 | 70°F | 56°F | 0" | -- |
| 2016 | 72°F | 46°F | 0" | -- |
| 2015 | 72°F | 59°F | 0" | -- |
| 2014 | 77°F | 56°F | 0" | -- |
| 2013 | 76°F | 52°F | 0" | -- |
| 2012 | 71°F | 52°F | 0" | -- |
| 2011 | 67°F | 55°F | -- | -- |
| 2010 | 67°F | 51°F | 0" | 0" |
| 2009 | 79°F | 49°F | 0" | 0" |
| 2008 | 68°F | 51°F | 0" | 0" |
| 2007 | 76°F | 53°F | 0" | 0" |
| 2006 | 68°F | 51°F | 0" | 0" |
| 2005 | 65°F | 54°F | 0" | 0" |
| 2004 | 80°F | 48°F | 0" | 0" |
| 2003 | 74°F | 63°F | 0" | 0" |
| 2002 | 75°F | 54°F | 0" | 0" |
| 2001 | 69°F | 53°F | 0" | 0" |
| 2000 | 74°F | 55°F | 0" | 0" |
| 1999 | 67°F | 56°F | 0" | 0" |
| 1998 | 69°F | 59°F | 0" | 0" |
| 1997 | 78°F | 52°F | 0" | 0" |
| 1996 | 79°F | 55°F | 0" | 0" |
| 1995 | 74°F | 59°F | 0" | 0" |
| 1994 | 94°F | 51°F | 0" | 0" |
| 1993 | 69°F | 60°F | 0" | 0" |
| 1992 | 70°F | 45°F | 0" | 0" |
| 1991 | 67°F | 54°F | 0" | 0" |
| 1990 | 71°F | 52°F | 0" | 0" |
| 1989 | 70°F | 55°F | 0" | 0" |
| 1988 | 65°F | 57°F | 0" | 0" |
| 1987 | 73°F | 51°F | 0" | 0" |
| 1986 | 71°F | 47°F | 0" | 0" |
| 1985 | 75°F | 48°F | 0" | 0" |
| 1984 | 73°F | 58°F | 0" | 0" |
| 1983 | 76°F | 59°F | 0" | 0" |
| 1982 | 68°F | 59°F | 0" | 0" |
| 1981 | 74°F | 55°F | 0" | 0" |
| 1980 | 77°F | 47°F | 0" | 0" |
| 1979 | 82°F | 53°F | 0" | 0" |
| 1978 | 75°F | 51°F | 0" | 0" |
| 1977 | 70°F | 55°F | 0" | 0" |
| 1976 | 73°F | 46°F | 0" | 0" |
| 1975 | 76°F | 51°F | 0" | 0" |
| 1974 | 66°F | 50°F | 0" | 0" |
| 1973 | 65°F | 54°F | 0" | 0" |
| 1972 | 67°F | 55°F | 0" | 0" |
| 1971 | 85°F | 57°F | 0" | 0" |