Weather on September 8
Antioch, CA
55 Years of Data
Avg High
89°F
Avg Low
60°F
Warmest
2022
96°F avg
Coldest
1978
65°F avg
About This Date
September 8th in Antioch, CA typically brings warm fall weather, with average highs around 89°F and lows near 60°F — a 29°F daily swing. Over 55 years of records, the warmest September 8th was in 2022 (96°F average), while the coldest was 1978 (65°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 61° | 66° | — | — |
| 2024 | 91° | 75° | 83° | — | — |
| 2023 | 86° | 67° | 76° | — | — |
| 2022warmest | 105° | 86° | 96° | — | — |
| 2021 | 94° | 77° | 85° | — | — |
| 2020 | 95° | 74° | 84° | — | — |
| 2019 | 82° | 63° | 72° | — | — |
| 2018 | 85° | 66° | 75° | — | — |
| 2017 | 78° | 58° | 68° | — | — |
| 2016 | 84° | 61° | 72° | — | — |
| 2015 | 98° | 61° | 79° | — | — |
| 2014 | 82° | 56° | 69° | — | — |
| 2013 | 97° | 64° | 80° | — | — |
| 2012 | 87° | 59° | 73° | — | — |
| 2011 | 96° | 61° | 78° | — | — |
| 2010 | 77° | 55° | 66° | — | — |
| 2009 | 97° | 55° | 76° | — | — |
| 2008 | 99° | 56° | 77° | — | — |
| 2007 | 84° | 57° | 71° | — | — |
| 2006 | 90° | 54° | 72° | — | — |
| 2005 | 79° | 56° | 67° | — | — |
| 2004 | 98° | 61° | 79° | — | — |
| 2003 | 81° | 61° | 71° | — | — |
| 2002 | 84° | 54° | 69° | — | — |
| 2001 | 85° | 55° | 70° | — | — |
| 2000 | 93° | 57° | 75° | — | — |
| 1999 | 90° | 54° | 72° | — | — |
| 1998 | 90° | 66° | 78° | — | — |
| 1997 | 88° | 63° | 75° | — | — |
| 1996 | 91° | 57° | 74° | — | — |
| 1995 | 94° | 58° | 76° | — | — |
| 1994 | 86° | 56° | 71° | — | — |
| 1993 | 94° | 61° | 77° | — | — |
| 1992 | 91° | 56° | 73° | — | — |
| 1991 | 82° | 56° | 69° | — | — |
| 1990 | 91° | 55° | 73° | — | — |
| 1989 | 85° | 56° | 70° | — | — |
| 1988 | 90° | 56° | 73° | — | — |
| 1987 | 80° | 55° | 68° | — | — |
| 1986 | 82° | 56° | 69° | — | — |
| 1985 | 74° | 57° | 65° | — | — |
| 1984 | 100° | 69° | 85° | — | — |
| 1983 | 82° | 52° | 67° | — | — |
| 1982 | 100° | 59° | 80° | — | — |
| 1981 | 88° | 55° | 71° | — | — |
| 1980 | 83° | 56° | 69° | — | — |
| 1979 | 96° | 63° | 79° | — | — |
| 1978coldest | 78° | 52° | 65° | — | — |
| 1977 | 100° | 62° | 81° | — | — |
| 1976 | 91° | 59° | 75° | — | — |
| 1975 | 94° | 58° | 76° | — | — |
| 1974 | 87° | 59° | 73° | — | — |
| 1973 | 86° | 65° | 75° | — | — |
| 1972 | 85° | 55° | 70° | — | — |
| 1971 | 92° | 60° | 76° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS