Weather on September 14
Antioch, CA
55 Years of Data
Avg High
85°F
Avg Low
57°F
Warmest
1971
90°F avg
Coldest
1980
56°F avg
About This Date
September 14th in Antioch, CA typically brings warm fall weather, with average highs around 85°F and lows near 57°F — a 28°F daily swing. Over 55 years of records, the warmest September 14th was in 1971 (90°F average), while the coldest was 1980 (56°F) — a 34°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for September 14th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 59° | 68° | — | — |
| 2024 | 80° | 64° | 72° | — | — |
| 2023 | 81° | 67° | 74° | — | — |
| 2022 | 67° | 55° | 61° | — | — |
| 2021 | 91° | 71° | 81° | — | — |
| 2020 | 83° | 56° | 69° | — | — |
| 2019 | 96° | 64° | 80° | — | — |
| 2018 | 73° | 54° | 63° | — | — |
| 2017 | 89° | 55° | 72° | — | — |
| 2016 | 77° | 57° | 67° | — | — |
| 2015 | 81° | 61° | 71° | — | — |
| 2014 | 91° | 62° | 77° | — | — |
| 2013 | 86° | 58° | 72° | — | — |
| 2012 | 89° | 60° | 75° | — | — |
| 2011 | 89° | 59° | 74° | — | — |
| 2010 | 79° | 50° | 64° | — | — |
| 2009 | 78° | 52° | 65° | — | — |
| 2008 | 83° | 55° | 69° | — | — |
| 2007 | 79° | 54° | 66° | — | — |
| 2006 | 99° | 53° | 76° | — | — |
| 2005 | 78° | 51° | 65° | — | — |
| 2004 | 90° | 61° | 75° | — | — |
| 2003 | 96° | 59° | 78° | — | — |
| 2002 | 85° | 55° | 70° | — | — |
| 2001 | — | 56° | — | — | — |
| 2000 | 83° | 63° | 73° | — | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 93° | 63° | 78° | — | — |
| 1997 | 84° | 59° | 72° | — | — |
| 1996 | 76° | 54° | 65° | — | — |
| 1995 | 86° | 54° | 70° | — | — |
| 1994 | 82° | 52° | 67° | — | — |
| 1993 | 92° | 56° | 74° | — | — |
| 1992 | 89° | 54° | 71° | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 87° | 60° | 74° | — | — |
| 1989 | 92° | 59° | 75° | — | — |
| 1988 | 84° | 56° | 70° | — | — |
| 1987 | 75° | 53° | 64° | — | — |
| 1986 | 76° | 54° | 65° | — | — |
| 1985 | 85° | 56° | 70° | — | — |
| 1984 | 95° | 58° | 76° | — | — |
| 1983 | 96° | 57° | 77° | — | — |
| 1982 | 88° | 59° | 73° | — | — |
| 1981 | 84° | 54° | 69° | — | — |
| 1980coldest | 72° | 41° | 56° | — | — |
| 1979 | 100° | 57° | 79° | — | — |
| 1978 | 88° | 61° | 74° | — | — |
| 1977 | 80° | 57° | 69° | — | — |
| 1976 | 88° | 53° | 70° | — | — |
| 1975 | 80° | 52° | 66° | — | — |
| 1974 | 81° | 58° | 69° | — | — |
| 1973 | 79° | 54° | 66° | — | — |
| 1972 | 87° | 53° | 70° | — | — |
| 1971warmest | 106° | 74° | 90° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS