Weather on September 5
Norwalk, CA
55 Years of Data
Avg High
88°F
Avg Low
66°F
Warmest
1984
91°F avg
Coldest
1985
67°F avg
About This Date
September 5th in Norwalk, CA typically brings warm fall weather, with average highs around 88°F and lows near 66°F. Over 55 years of records, the warmest September 5th was in 1984 (91°F average), while the coldest was 1985 (67°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 5th dates historically, with the wettest September 5th recording 2.59" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Norwalk, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 66° | 77° | — | — |
| 2024 | 105° | 70° | 87° | — | — |
| 2023 | 76° | 65° | 70° | — | — |
| 2022 | 100° | 76° | 88° | — | — |
| 2021 | 100° | 65° | 82° | — | — |
| 2020 | 110° | 71° | 90° | — | — |
| 2019 | 93° | 74° | 83° | — | — |
| 2018 | 83° | 67° | 75° | — | — |
| 2017 | 89° | 69° | 79° | — | — |
| 2016 | 78° | 65° | 71° | — | — |
| 2015 | 84° | 64° | 74° | — | — |
| 2014 | 88° | 65° | 76° | — | — |
| 2013 | 103° | 74° | 88° | — | — |
| 2012 | 92° | 74° | 83° | — | — |
| 2011 | 91° | 67° | 79° | 0.15" | — |
| 2010 | 79° | 60° | 69° | — | — |
| 2009 | 92° | 68° | 80° | — | — |
| 2008 | 94° | 66° | 80° | — | — |
| 2007 | 85° | 67° | 76° | — | — |
| 2006 | 100° | 68° | 84° | — | — |
| 2005 | 88° | 55° | 71° | 0.03" | — |
| 2004 | 104° | 63° | 83° | — | — |
| 2003 | 96° | 68° | 82° | — | — |
| 2002 | 84° | 68° | 76° | — | — |
| 2001 | 81° | 66° | 73° | — | — |
| 2000 | 85° | 58° | 71° | — | — |
| 1999 | 76° | 61° | 68° | — | — |
| 1998 | 77° | 71° | 74° | — | — |
| 1997 | 94° | 72° | 83° | — | — |
| 1996 | 80° | 63° | 71° | — | — |
| 1995 | 93° | 61° | 77° | — | — |
| 1994 | 91° | 64° | 78° | — | — |
| 1993 | 82° | 63° | 72° | — | — |
| 1992 | 82° | 62° | 72° | — | — |
| 1991 | 75° | 63° | 69° | — | — |
| 1990 | 91° | 66° | 79° | — | — |
| 1989 | 92° | 61° | 76° | — | — |
| 1988 | 103° | 73° | 88° | — | — |
| 1987 | 80° | 64° | 72° | — | — |
| 1986 | 83° | 65° | 74° | — | — |
| 1985coldest | 72° | 62° | 67° | 0.33" | — |
| 1984warmest | 108° | 74° | 91° | — | — |
| 1983 | 79° | 67° | 73° | — | — |
| 1982 | 92° | 66° | 79° | — | — |
| 1981 | 75° | 65° | 70° | — | — |
| 1980 | 82° | 62° | 72° | — | — |
| 1979 | 80° | 62° | 71° | — | — |
| 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 FULLERTON MUNI AP