Weather on September 8
Fullerton, CA
55 Years of Data
Avg High
88°F
Avg Low
64°F
Warmest
2024
91°F avg
Coldest
1978
67°F avg
About This Date
September 8th in Fullerton, CA typically brings warm fall weather, with average highs around 88°F and lows near 64°F. Over 55 years of records, the warmest September 8th was in 2024 (91°F average), while the coldest was 1978 (67°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 8th dates historically, with the wettest September 8th recording 1.27" of rain. The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 68° | 78° | — | — |
| 2024warmest | 107° | 75° | 91° | — | — |
| 2023 | 98° | 67° | 82° | — | — |
| 2022 | 103° | 75° | 89° | — | — |
| 2021 | 91° | 67° | 79° | — | — |
| 2020 | 78° | 71° | 75° | — | — |
| 2019 | 89° | 66° | 78° | — | — |
| 2018 | 93° | 64° | 79° | — | — |
| 2017 | 84° | 67° | 75° | — | — |
| 2016 | 82° | 66° | 74° | — | — |
| 2015 | 102° | 74° | 88° | — | — |
| 2014 | 95° | 73° | 84° | — | — |
| 2013 | 94° | 65° | 79° | — | — |
| 2012 | 89° | 69° | 79° | — | — |
| 2011 | 97° | 70° | 83° | 1.27" | — |
| 2010 | 73° | 62° | 68° | — | — |
| 2009 | 86° | 65° | 75° | — | — |
| 2008 | 84° | 68° | 76° | — | — |
| 2007 | 85° | 61° | 73° | — | — |
| 2006 | 83° | 67° | 75° | — | — |
| 2005 | 86° | 61° | 73° | — | — |
| 2004 | 92° | 68° | 80° | — | — |
| 2003 | 88° | 62° | 75° | — | — |
| 2002 | 86° | 55° | 71° | — | — |
| 2001 | 76° | 65° | 70° | — | — |
| 2000 | 88° | 59° | 73° | — | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 82° | 69° | 76° | — | — |
| 1997 | 91° | 63° | 77° | — | — |
| 1996 | 89° | 67° | 78° | — | — |
| 1995 | 91° | 65° | 78° | — | — |
| 1994 | 90° | 60° | 75° | — | — |
| 1993 | 96° | 61° | 78° | — | — |
| 1992 | 82° | 62° | 72° | — | — |
| 1991 | 76° | 60° | 68° | — | — |
| 1990 | 94° | 66° | 80° | — | — |
| 1989 | 81° | 55° | 68° | — | — |
| 1988 | 80° | 66° | 73° | — | — |
| 1987 | 89° | 61° | 75° | — | — |
| 1986 | 75° | 63° | 69° | — | — |
| 1985 | 80° | 63° | 71° | — | — |
| 1984 | 105° | 70° | 87° | — | — |
| 1983 | 89° | 64° | 77° | — | — |
| 1982 | 87° | 65° | 76° | 0.1" | — |
| 1981 | 88° | 60° | 74° | — | — |
| 1980 | 79° | 58° | 68° | — | — |
| 1979 | 101° | 56° | 78° | — | — |
| 1978coldest | 82° | 52° | 67° | — | — |
| 1977 | 95° | 60° | 78° | — | — |
| 1976 | 95° | 61° | 78° | — | — |
| 1975 | 78° | 61° | 69° | — | — |
| 1974 | 93° | 59° | 76° | — | — |
| 1973 | 81° | 60° | 70° | — | — |
| 1972 | 76° | 65° | 70° | — | — |
| 1971 | 98° | 63° | 80° | — | — |
55 years of data from ANAHEIM