Weather on September 1
Los Angeles, CA
55 Years of Data
Avg High
86°F
Avg Low
67°F
Warmest
1998
92°F avg
Coldest
2011
68°F avg
About This Date
September 1st in Los Angeles, CA typically brings warm fall weather, with average highs around 86°F and lows near 67°F. Over 55 years of records, the warmest September 1st was in 1998 (92°F average), while the coldest was 2011 (68°F) — a 24°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 1st in Los Angeles, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 67° | 79° | — | — |
| 2024 | 86° | 63° | 74° | — | — |
| 2023 | 84° | 70° | 77° | — | — |
| 2022 | 96° | 74° | 85° | — | — |
| 2021 | 77° | 65° | 71° | — | — |
| 2020 | 79° | 65° | 72° | — | — |
| 2019 | 85° | 68° | 76° | — | — |
| 2018 | 82° | 67° | 74° | — | — |
| 2017 | 102° | 76° | 89° | — | — |
| 2016 | 84° | 65° | 74° | — | — |
| 2015 | 83° | 69° | 76° | — | — |
| 2014 | 85° | 70° | 77° | — | — |
| 2013 | 86° | 70° | 78° | — | — |
| 2012 | 88° | 63° | 75° | — | — |
| 2011coldest | 77° | 59° | 68° | — | — |
| 2010 | 83° | 61° | 72° | — | — |
| 2009 | 93° | 71° | 82° | — | — |
| 2008 | 82° | 69° | 76° | — | — |
| 2007 | 95° | 73° | 84° | — | — |
| 2006 | 85° | 65° | 75° | — | — |
| 2005 | 81° | 63° | 72° | — | — |
| 2004 | 89° | 64° | 77° | — | — |
| 2003 | 79° | 63° | 71° | — | — |
| 2002 | 101° | 70° | 85° | — | — |
| 2001 | 83° | 63° | 73° | — | — |
| 2000 | 76° | 62° | 69° | — | — |
| 1999 | 77° | 63° | 70° | — | — |
| 1998warmest | 104° | 80° | 92° | — | — |
| 1997 | 89° | 69° | 79° | — | — |
| 1996 | 89° | 68° | 79° | — | — |
| 1995 | 96° | 72° | 84° | — | — |
| 1994 | 83° | 67° | 75° | — | — |
| 1993 | 86° | 67° | 76° | — | — |
| 1992 | 77° | 66° | 72° | — | — |
| 1991 | 88° | 64° | 76° | — | — |
| 1990 | 82° | 65° | 73° | — | — |
| 1989 | 84° | 60° | 72° | — | — |
| 1988 | 84° | 65° | 74° | — | — |
| 1987 | 101° | 65° | 83° | — | — |
| 1986 | 82° | 65° | 73° | — | — |
| 1985 | 88° | 72° | 80° | — | — |
| 1984 | 85° | 70° | 77° | — | — |
| 1983 | 94° | 74° | 84° | — | — |
| 1982 | 95° | 71° | 83° | — | — |
| 1981 | 85° | 66° | 75° | — | — |
| 1980 | 80° | 66° | 73° | — | — |
| 1979 | 78° | 65° | 71° | — | — |
| 1978 | 84° | 63° | 73° | — | — |
| 1977 | 81° | 65° | 73° | — | — |
| 1976 | 84° | 67° | 75° | — | — |
| 1975 | 77° | 60° | 69° | — | — |
| 1974 | 87° | 64° | 76° | — | — |
| 1973 | 79° | 61° | 70° | — | — |
| 1972 | 79° | 66° | 72° | — | — |
| 1971 | 83° | 65° | 74° | — | — |
55 years of data from LOS ANGELES DOWNTOWN/USC