Weather on September 25
Antioch, CA
55 Years of Data
Avg High
84°F
Avg Low
58°F
Warmest
2009
83°F avg
Coldest
1986
61°F avg
About This Date
September 25th in Antioch, CA typically brings warm fall weather, with average highs around 84°F and lows near 58°F — a 26°F daily swing. Over 55 years of records, the warmest September 25th was in 2009 (83°F average), while the coldest was 1986 (61°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 7% of September 25th dates historically, with the wettest September 25th recording 0.64" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 25th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 63° | 70° | — | — |
| 2024 | 72° | 52° | 62° | — | — |
| 2023 | 69° | 54° | 61° | — | — |
| 2022 | 83° | 68° | 75° | — | — |
| 2021 | 81° | 51° | 66° | — | — |
| 2020 | 83° | 59° | 71° | — | — |
| 2019 | 95° | 68° | 82° | — | — |
| 2018 | 87° | 68° | 78° | — | — |
| 2017 | 80° | 63° | 71° | — | — |
| 2016 | 92° | 65° | 78° | — | — |
| 2015 | 94° | 64° | 79° | — | — |
| 2014 | 75° | 58° | 66° | 0.64" | — |
| 2013 | 72° | 57° | 64° | — | — |
| 2012 | 85° | 57° | 71° | — | — |
| 2011 | 77° | 58° | 67° | — | — |
| 2010 | 100° | 61° | 80° | — | — |
| 2009warmest | 91° | 75° | 83° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 87° | 59° | 73° | — | — |
| 2006 | 87° | 56° | 71° | — | — |
| 2005 | 80° | 56° | 68° | — | — |
| 2004 | 88° | 56° | 72° | — | — |
| 2003 | 82° | 54° | 68° | — | — |
| 2002 | 94° | 57° | 75° | — | — |
| 2001 | 75° | 57° | 66° | — | — |
| 2000 | 86° | 58° | 72° | — | — |
| 1999 | 92° | 60° | 76° | — | — |
| 1998 | 73° | 55° | 64° | — | — |
| 1997 | 95° | 64° | 80° | — | — |
| 1996 | 82° | 51° | 67° | — | — |
| 1995 | 82° | 59° | 71° | — | — |
| 1994 | 85° | 58° | 71° | — | — |
| 1993 | 91° | 53° | 72° | — | — |
| 1992 | 84° | 65° | 74° | — | — |
| 1991 | 98° | 60° | 79° | — | — |
| 1990 | 81° | 61° | 71° | — | — |
| 1989 | 77° | 60° | 69° | — | — |
| 1988 | 76° | 53° | 64° | — | — |
| 1987 | 82° | 54° | 68° | — | — |
| 1986coldest | 71° | 50° | 61° | 0.05" | — |
| 1985 | 96° | 55° | 76° | — | — |
| 1984 | 82° | 58° | 70° | — | — |
| 1983 | 84° | 54° | 69° | — | — |
| 1982 | 78° | 64° | 71° | 0.56" | — |
| 1981 | 77° | 55° | 66° | 0.1" | — |
| 1980 | 94° | 54° | 74° | — | — |
| 1979 | 84° | 53° | 69° | — | — |
| 1978 | 95° | 57° | 76° | — | — |
| 1977 | 80° | 51° | 66° | — | — |
| 1976 | 83° | 58° | 70° | — | — |
| 1975 | 99° | 56° | 77° | — | — |
| 1974 | 81° | 57° | 69° | — | — |
| 1973 | 72° | 61° | 66° | — | — |
| 1972 | 79° | 47° | 63° | — | — |
| 1971 | 73° | 55° | 64° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS