Weather on September 2
Downey, CA
55 Years of Data
Avg High
90°F
Avg Low
65°F
Warmest
2007
92°F avg
Coldest
1973
69°F avg
About This Date
September 2nd 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 2nd was in 2007 (92°F average), while the coldest was 1973 (69°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for September 2nd in Downey, 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 | 98° | 66° | 82° | — | — |
| 2024 | 93° | 63° | 78° | — | — |
| 2023 | 82° | 66° | 74° | — | — |
| 2022 | 98° | 72° | 85° | — | — |
| 2021 | 81° | 59° | 70° | — | — |
| 2020 | 85° | 58° | 71° | — | — |
| 2019 | 97° | 70° | 83° | — | — |
| 2018 | 78° | 63° | 70° | — | — |
| 2017 | 102° | 79° | 90° | — | — |
| 2016 | 76° | 67° | 71° | — | — |
| 2015 | 85° | 60° | 72° | — | — |
| 2014 | 87° | 63° | 75° | — | — |
| 2013 | 92° | 67° | 79° | — | — |
| 2012 | 89° | 62° | 76° | — | — |
| 2011 | 91° | 56° | 73° | — | — |
| 2010 | 93° | 59° | 76° | — | — |
| 2009 | 98° | 69° | 84° | — | — |
| 2008 | 93° | 61° | 77° | — | — |
| 2007warmest | 105° | 78° | 92° | — | — |
| 2006 | 97° | 65° | 81° | — | — |
| 2005 | 87° | 61° | 74° | — | — |
| 2004 | 95° | 66° | 81° | — | — |
| 2003 | 91° | 63° | 77° | — | — |
| 2002 | 104° | 72° | 88° | — | — |
| 2001 | 90° | 64° | 77° | — | — |
| 2000 | 80° | 59° | 70° | — | — |
| 1999 | 84° | 61° | 72° | — | — |
| 1998 | 101° | 73° | 87° | — | — |
| 1997 | 96° | 65° | 80° | — | — |
| 1996 | 89° | 67° | 78° | — | — |
| 1995 | 100° | 73° | 87° | — | — |
| 1994 | 87° | 64° | 76° | — | — |
| 1993 | 89° | 67° | 78° | — | — |
| 1992 | 81° | 61° | 71° | — | — |
| 1991 | 77° | 63° | 70° | — | — |
| 1990 | 86° | 64° | 75° | — | — |
| 1989 | 88° | 64° | 76° | — | — |
| 1988 | 90° | 72° | 81° | — | — |
| 1987 | 102° | 74° | 88° | — | — |
| 1986 | 84° | 66° | 75° | — | — |
| 1985 | 90° | 68° | 79° | — | — |
| 1984 | 92° | 66° | 79° | — | — |
| 1983 | 93° | 71° | 82° | — | — |
| 1982 | 106° | 68° | 87° | — | — |
| 1981 | — | 60° | — | — | — |
| 1980 | 90° | 58° | 74° | — | — |
| 1979 | 83° | 67° | 75° | — | — |
| 1978 | 86° | 63° | 74° | — | — |
| 1977 | 84° | 67° | 75° | — | — |
| 1976 | 84° | 68° | 76° | — | — |
| 1975 | 84° | 59° | 72° | — | — |
| 1974 | 87° | 65° | 76° | — | — |
| 1973coldest | 78° | 60° | 69° | — | — |
| 1972 | 82° | 63° | 72° | — | — |
| 1971 | 80° | 68° | 74° | — | — |
55 years of data from MONTEBELLO