Weather on September 26
Antioch, CA
55 Years of Data
Avg High
83°F
Avg Low
57°F
Warmest
2018
81°F avg
Coldest
1998
57°F avg
About This Date
September 26th in Antioch, CA typically brings warm fall weather, with average highs around 83°F and lows near 57°F — a 26°F daily swing. Over 55 years of records, the warmest September 26th was in 2018 (81°F average), while the coldest was 1998 (57°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 26th dates historically, with the wettest September 26th recording 0.84" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for September 26th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 62° | 73° | — | — |
| 2024 | 81° | 60° | 70° | — | — |
| 2023 | 72° | 57° | 64° | — | — |
| 2022 | 80° | 65° | 72° | — | — |
| 2021 | 67° | 51° | 59° | — | — |
| 2020 | 90° | 66° | 78° | — | — |
| 2019 | 86° | 64° | 75° | — | — |
| 2018warmest | 89° | 74° | 81° | — | — |
| 2017 | 84° | 66° | 75° | — | — |
| 2016 | 94° | 62° | 78° | — | — |
| 2015 | 92° | 67° | 79° | — | — |
| 2014 | 76° | 58° | 67° | — | — |
| 2013 | 76° | 58° | 67° | — | — |
| 2012 | 81° | 56° | 68° | — | — |
| 2011 | 84° | 59° | 72° | — | — |
| 2010 | 96° | 62° | 79° | — | — |
| 2009 | 98° | 52° | 75° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 90° | 49° | 69° | — | — |
| 2006 | 83° | 56° | 69° | — | — |
| 2005 | 87° | 58° | 72° | — | — |
| 2004 | 88° | 54° | 71° | — | — |
| 2003 | 78° | 55° | 67° | — | — |
| 2002 | 93° | 56° | 74° | — | — |
| 2001 | 85° | 57° | 71° | — | — |
| 2000 | 87° | 59° | 73° | — | — |
| 1999 | 94° | 66° | 80° | — | — |
| 1998coldest | 59° | 55° | 57° | — | — |
| 1997 | 89° | 60° | 75° | — | — |
| 1996 | 84° | 53° | 69° | — | — |
| 1995 | 81° | 55° | 68° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 92° | 56° | 74° | — | — |
| 1992 | 89° | 64° | 77° | — | — |
| 1991 | 90° | 57° | 73° | — | — |
| 1990 | 75° | 56° | 65° | — | — |
| 1989 | 77° | 60° | 69° | — | — |
| 1988 | 70° | 52° | 61° | — | — |
| 1987 | 81° | 57° | 69° | — | — |
| 1986 | 71° | 51° | 61° | — | — |
| 1985 | 92° | 60° | 76° | — | — |
| 1984 | 85° | 53° | 69° | — | — |
| 1983 | 83° | 57° | 70° | — | — |
| 1982 | 68° | 52° | 60° | 0.79" | — |
| 1981 | 74° | 53° | 63° | — | — |
| 1980 | 93° | 52° | 72° | — | — |
| 1979 | 75° | 52° | 63° | — | — |
| 1978 | 97° | 58° | 77° | — | — |
| 1977 | 85° | 51° | 68° | — | — |
| 1976 | 78° | 54° | 66° | — | — |
| 1975 | 97° | 50° | 73° | — | — |
| 1974 | 76° | 56° | 66° | — | — |
| 1973 | 86° | 58° | 72° | — | — |
| 1972 | 74° | 56° | 65° | 0.84" | — |
| 1971 | 73° | 54° | 63° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS