Weather on September 15 at Lassen Volcanic
Lassen Volcanic National Park
Based on 55 years of data from Redding, CA
Elevation Note: Lassen Volcanic sits at 6,700 ft. Expect temperatures 23°F cooler than the data shown below, which comes from Redding, CA at a lower elevation.
Planning Your Visit
September 15th in Lassen Volcanic National Park (via Redding, CA) typically brings warm fall weather, with average highs around 89°F and lows near 57°F — a 32°F daily swing. Over 55 years of records, the warmest September 15th was in 1971 (91°F average), while the coldest was 1986 (61°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 7% of September 15th dates historically, with the wettest September 15th recording 1.5" 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 Lassen Volcanic? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 65°F | 0" | 0" |
| 2024 | 81°F | 59°F | 1.5" | 0" |
| 2023 | 99°F | 63°F | 0" | 0" |
| 2022 | 84°F | 56°F | 0" | 0" |
| 2021 | 96°F | 63°F | 0" | 0" |
| 2020 | 95°F | 55°F | 0" | 0" |
| 2019 | 89°F | 55°F | 0" | 0" |
| 2018 | 81°F | 54°F | 0" | 0" |
| 2017 | 89°F | 56°F | 0" | 0" |
| 2016 | 95°F | 52°F | 0" | 0" |
| 2015 | 71°F | 58°F | 0" | 0" |
| 2014 | 98°F | 62°F | 0" | 0" |
| 2013 | 87°F | 63°F | 0" | 0" |
| 2012 | 94°F | 60°F | 0" | -- |
| 2011 | 87°F | 64°F | 0" | -- |
| 2010 | 89°F | 52°F | 0" | -- |
| 2009 | 91°F | 56°F | 0" | -- |
| 2008 | 101°F | 56°F | 0" | -- |
| 2007 | 83°F | 53°F | 0" | -- |
| 2006 | 72°F | 53°F | 0" | -- |
| 2005 | 88°F | 52°F | 0" | -- |
| 2004 | 93°F | 68°F | 0" | -- |
| 2003 | 90°F | 56°F | 0" | -- |
| 2002 | 83°F | 61°F | 0" | -- |
| 2001 | 92°F | 63°F | 0" | -- |
| 2000 | 84°F | 65°F | 0" | -- |
| 1999 | 95°F | 55°F | 0" | -- |
| 1998 | 99°F | 64°F | 0" | -- |
| 1997 | 72°F | 53°F | 0" | -- |
| 1996 | 77°F | 60°F | 0.08" | -- |
| 1995 | 94°F | 59°F | 0" | 0" |
| 1994 | 99°F | 57°F | 0" | 0" |
| 1993 | 81°F | 52°F | 0" | 0" |
| 1992 | 87°F | 48°F | 0" | 0" |
| 1991 | 102°F | 53°F | 0" | 0" |
| 1990 | 85°F | 51°F | 0" | 0" |
| 1989 | 96°F | 56°F | 0" | 0" |
| 1988 | 92°F | 53°F | 0" | 0" |
| 1987 | 87°F | 53°F | 0" | 0" |
| 1986 | 67°F | 55°F | 0.18" | 0" |
| 1985 | 79°F | 55°F | 0" | 0" |
| 1984 | 96°F | 58°F | 0" | 0" |
| 1983 | 100°F | 57°F | 0" | 0" |
| 1982 | 83°F | 52°F | 0" | 0" |
| 1981 | 98°F | 60°F | 0" | 0" |
| 1980 | 84°F | 49°F | 0" | 0" |
| 1979 | 103°F | 55°F | 0" | 0" |
| 1978 | 92°F | 63°F | 0" | 0" |
| 1977 | 74°F | 57°F | 0" | 0" |
| 1976 | 84°F | 58°F | 0.91" | 0" |
| 1975 | 91°F | 61°F | 0" | 0" |
| 1974 | 93°F | 56°F | 0" | 0" |
| 1973 | 86°F | 56°F | 0" | 0" |
| 1972 | 103°F | 52°F | 0" | 0" |
| 1971 | 106°F | 76°F | 0" | 0" |