Weather on September 5
Downey, CA
55 Years of Data
Avg High
90°F
Avg Low
66°F
Warmest
2020
95°F avg
Coldest
2023
67°F avg
About This Date
September 5th in Downey, CA typically brings hot fall weather, with average highs around 90°F and lows near 66°F. Over 55 years of records, the warmest September 5th was in 2020 (95°F average), while the coldest was 2023 (67°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 5th dates historically, with the wettest September 5th recording 2.59" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Downey, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 61° | 76° | — | — |
| 2024 | 106° | 78° | 92° | — | — |
| 2023coldest | 74° | 60° | 67° | — | — |
| 2022 | 99° | 71° | 85° | — | — |
| 2021 | 100° | 65° | 82° | — | — |
| 2020warmest | 112° | 79° | 95° | — | — |
| 2019 | 96° | 69° | 83° | — | — |
| 2018 | 79° | 61° | 70° | — | — |
| 2017 | 88° | 65° | 76° | — | — |
| 2016 | 75° | 63° | 69° | — | — |
| 2015 | 85° | 58° | 71° | — | — |
| 2014 | 88° | 60° | 74° | — | — |
| 2013 | 98° | 75° | 87° | — | — |
| 2012 | 87° | 71° | 79° | 0.03" | — |
| 2011 | 100° | 61° | 80° | — | — |
| 2010 | 90° | 61° | 75° | — | — |
| 2009 | 94° | 69° | 81° | — | — |
| 2008 | 93° | 64° | 79° | — | — |
| 2007 | 76° | 67° | 71° | — | — |
| 2006 | 101° | 68° | 84° | — | — |
| 2005 | 91° | 63° | 77° | — | — |
| 2004 | 104° | — | — | — | — |
| 2003 | 100° | 68° | 84° | — | — |
| 2002 | 85° | 66° | 75° | — | — |
| 2001 | 87° | 66° | 77° | — | — |
| 2000 | 89° | 61° | 75° | — | — |
| 1999 | 80° | 61° | 70° | — | — |
| 1998 | 80° | 71° | 76° | — | — |
| 1997 | 95° | 85° | 90° | — | — |
| 1996 | 87° | 64° | 76° | — | — |
| 1995 | 101° | 63° | 82° | — | — |
| 1994 | 93° | 65° | 79° | — | — |
| 1993 | 86° | 63° | 74° | — | — |
| 1992 | 92° | 60° | 76° | — | — |
| 1991 | 84° | 64° | 74° | — | — |
| 1990 | 92° | 70° | 81° | — | — |
| 1989 | 94° | 60° | 77° | — | — |
| 1988 | 109° | 77° | 93° | — | — |
| 1987 | 86° | 64° | 75° | — | — |
| 1986 | 86° | 64° | 75° | — | — |
| 1985 | 74° | 62° | 68° | — | — |
| 1984 | 108° | 68° | 88° | — | — |
| 1983 | 86° | 66° | 76° | — | — |
| 1982 | 98° | 66° | 82° | — | — |
| 1981 | 86° | 60° | 73° | — | — |
| 1980 | 86° | 58° | 72° | — | — |
| 1979 | 92° | 65° | 78° | — | — |
| 1978 | 79° | 70° | 74° | 2.59" | — |
| 1977 | 92° | 64° | 78° | — | — |
| 1976 | 83° | 74° | 78° | — | — |
| 1975 | 84° | 64° | 74° | — | — |
| 1974 | 88° | 68° | 78° | — | — |
| 1973 | 76° | 60° | 68° | — | — |
| 1972 | 84° | 70° | 77° | 0.05" | — |
| 1971 | 86° | 65° | 75° | — | — |
55 years of data from MONTEBELLO