Weather on September 28
Antioch, CA
55 Years of Data
About This Date
September 28th in Antioch, CA typically brings warm fall weather, with average highs around 82°F and lows near 57°F — a 25°F daily swing. Over 55 years of records, the warmest September 28th was in 2010 (84°F average), while the coldest was 1986 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 28th dates historically. 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 28th in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 57° | 61° | — | — |
| 2024 | 81° | 66° | 73° | — | — |
| 2023 | 78° | 56° | 67° | — | — |
| 2022 | 77° | 61° | 69° | — | — |
| 2021 | 72° | 50° | 61° | — | — |
| 2020 | 96° | 72° | 84° | — | — |
| 2019 | 73° | 53° | 63° | — | — |
| 2018 | 75° | 50° | 63° | — | — |
| 2017 | 85° | 68° | 76° | — | — |
| 2016 | 86° | 59° | 73° | — | — |
| 2015 | 84° | 60° | 72° | — | — |
| 2014 | 73° | 56° | 64° | — | — |
| 2013 | 84° | 50° | 67° | — | — |
| 2012 | 93° | 58° | 75° | — | — |
| 2011 | 93° | 64° | 79° | — | — |
| 2010warmest | 99° | 70° | 84° | — | — |
| 2009 | 88° | 58° | 73° | — | — |
| 2008 | 94° | 58° | 76° | — | — |
| 2007 | 78° | 48° | 63° | — | — |
| 2006 | 81° | 52° | 66° | — | — |
| 2005 | 90° | 59° | 74° | — | — |
| 2004 | 75° | 54° | 64° | — | — |
| 2003 | 82° | 54° | 68° | — | — |
| 2002 | 72° | 54° | 63° | — | — |
| 2001 | 79° | — | — | — | — |
| 2000 | 79° | 55° | 67° | — | — |
| 1999 | 88° | 68° | 78° | — | — |
| 1998 | 74° | 57° | 65° | 0.02" | — |
| 1997 | 90° | 64° | 77° | — | — |
| 1996 | 81° | 52° | 66° | — | — |
| 1995 | 82° | 55° | 69° | — | — |
| 1994 | 86° | 61° | 73° | — | — |
| 1993 | 95° | 60° | 78° | — | — |
| 1992 | 95° | 59° | 77° | — | — |
| 1991 | 84° | 56° | 70° | — | — |
| 1990 | 83° | 57° | 70° | — | — |
| 1989 | 77° | 57° | 67° | — | — |
| 1988 | 84° | 59° | 72° | — | — |
| 1987 | 90° | 56° | 73° | — | — |
| 1986coldest | 72° | 51° | 61° | — | — |
| 1985 | 75° | 53° | 64° | — | — |
| 1984 | 93° | 58° | 75° | — | — |
| 1983 | 77° | 50° | 64° | — | — |
| 1982 | 77° | 50° | 64° | — | — |
| 1981 | 82° | 59° | 71° | — | — |
| 1980 | 77° | 54° | 65° | — | — |
| 1979 | 84° | 51° | 68° | — | — |
| 1978 | 84° | 52° | 68° | — | — |
| 1977 | 81° | 61° | 71° | — | — |
| 1976 | 78° | 60° | 69° | — | — |
| 1975 | 83° | 53° | 68° | — | — |
| 1974 | 82° | 46° | 64° | — | — |
| 1973 | 92° | 55° | 73° | — | — |
| 1972 | 70° | 57° | 63° | 0.19" | — |
| 1971 | 72° | 54° | 63° | — | — |
Antioch, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Antioch, CA Monthly Precipitation
Average rainfall per month, in inches.
Antioch, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Antioch, CA
Most pleasant months in Antioch, CA: April, May, October.
What to expect on September 28th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 28th outlook →