Weather on September 3
Downey, CA
55 Years of Data
Avg High
90°F
Avg Low
65°F
Warmest
2022
90°F avg
Coldest
2023
69°F avg
About This Date
September 3rd in Downey, CA typically brings hot fall weather, with average highs around 90°F and lows near 65°F — a 25°F daily swing. Over 55 years of records, the warmest September 3rd was in 2022 (90°F average), while the coldest was 2023 (69°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 3rd dates historically. 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 3rd in Downey, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 66° | 81° | — | — |
| 2024 | 95° | 64° | 80° | — | — |
| 2023coldest | 79° | 60° | 69° | — | — |
| 2022warmest | 103° | 77° | 90° | — | — |
| 2021 | 86° | 58° | 72° | — | — |
| 2020 | 89° | 60° | 75° | — | — |
| 2019 | 96° | 71° | 84° | — | — |
| 2018 | 81° | 63° | 72° | — | — |
| 2017 | 98° | 71° | 85° | — | — |
| 2016 | 74° | 67° | 70° | — | — |
| 2015 | 83° | 60° | 71° | — | — |
| 2014 | 83° | 64° | 73° | — | — |
| 2013 | 96° | 69° | 83° | — | — |
| 2012 | 89° | 65° | 77° | — | — |
| 2011 | 90° | 55° | 72° | — | — |
| 2010 | 91° | 57° | 74° | — | — |
| 2009 | 100° | 72° | 86° | — | — |
| 2008 | 96° | 64° | 80° | — | — |
| 2007 | 103° | 70° | 86° | — | — |
| 2006 | 98° | 70° | 84° | — | — |
| 2005 | 88° | 57° | 72° | — | — |
| 2004 | 93° | 68° | 81° | — | — |
| 2003 | 86° | 64° | 75° | — | — |
| 2002 | 100° | 60° | 80° | — | — |
| 2001 | 87° | 62° | 75° | — | — |
| 2000 | 84° | 60° | 72° | — | — |
| 1999 | 80° | 62° | 71° | — | — |
| 1998 | 102° | 73° | 88° | — | — |
| 1997 | 97° | 72° | 84° | — | — |
| 1996 | 89° | 67° | 78° | — | — |
| 1995 | 95° | 71° | 83° | — | — |
| 1994 | 87° | 62° | 75° | — | — |
| 1993 | 89° | 66° | 78° | — | — |
| 1992 | 80° | 64° | 72° | — | — |
| 1991 | 92° | 64° | 78° | — | — |
| 1990 | 92° | 62° | 77° | — | — |
| 1989 | 90° | 60° | 75° | — | — |
| 1988 | 106° | 70° | 88° | — | — |
| 1987 | 96° | 68° | 82° | — | — |
| 1986 | 84° | 64° | 74° | — | — |
| 1985 | 84° | 66° | 75° | — | — |
| 1984 | 94° | 68° | 81° | — | — |
| 1983 | 96° | 70° | 83° | — | — |
| 1982 | 106° | 68° | 87° | — | — |
| 1981 | 87° | 60° | 74° | — | — |
| 1980 | 90° | 61° | 75° | — | — |
| 1979 | 92° | 62° | 77° | — | — |
| 1978 | 91° | 64° | 78° | — | — |
| 1977 | 86° | 64° | 75° | — | — |
| 1976 | 91° | 71° | 81° | 0.05" | — |
| 1975 | 86° | 61° | 73° | — | — |
| 1974 | 89° | 65° | 77° | — | — |
| 1973 | 75° | 65° | 70° | — | — |
| 1972 | 79° | 65° | 72° | 0.33" | — |
| 1971 | 80° | 69° | 75° | — | — |
55 years of data from MONTEBELLO