Weather on September 22
Hayward, CA
55 Years of Data
Avg High
76°F
Avg Low
55°F
Warmest
2003
79°F avg
Coldest
1993
58°F avg
About This Date
September 22nd in Hayward, CA typically brings pleasant fall weather, with average highs around 76°F and lows near 55°F. Over 53 years of records, the warmest September 22nd was in 2003 (79°F average), while the coldest was 1993 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 6% of September 22nd 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 22nd in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 58° | 71° | — | — |
| 2024 | 80° | 59° | 70° | — | — |
| 2023 | 73° | 56° | 64° | — | — |
| 2022 | 79° | 57° | 68° | — | — |
| 2021 | 80° | 56° | 68° | — | — |
| 2020 | 77° | 62° | 70° | — | — |
| 2019 | 76° | 58° | 67° | — | — |
| 2018 | 73° | 55° | 64° | — | — |
| 2017 | 69° | 54° | 61° | — | — |
| 2016 | 69° | 56° | 62° | — | — |
| 2015 | 67° | 58° | 62° | — | — |
| 2014 | 79° | 65° | 72° | — | — |
| 2013 | 67° | 50° | 58° | — | — |
| 2012 | 79° | 51° | 65° | — | — |
| 2011 | 81° | 55° | 68° | — | — |
| 2010 | 66° | 58° | 62° | — | — |
| 2009 | 86° | 58° | 72° | — | — |
| 2008 | 80° | 53° | 67° | — | — |
| 2007 | 68° | 57° | 63° | 0.48" | — |
| 2006 | 84° | 56° | 70° | — | — |
| 2005 | 71° | 54° | 62° | — | — |
| 2004 | 85° | 55° | 70° | — | — |
| 2003warmest | 91° | 67° | 79° | — | — |
| 2002 | 79° | 57° | 68° | — | — |
| 2001 | 74° | 52° | 63° | — | — |
| 2000 | 67° | 58° | 62° | 0.03" | — |
| 1999 | 74° | 58° | 66° | 0.1" | — |
| 1998 | 70° | 60° | 65° | — | — |
| 1997 | 81° | 54° | 67° | — | — |
| 1996 | 75° | 51° | 63° | — | — |
| 1995 | 67° | 54° | 60° | — | — |
| 1994 | 72° | 55° | 63° | — | — |
| 1993coldest | 66° | 50° | 58° | — | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1989 | 85° | 53° | 69° | — | — |
| 1988 | 70° | 52° | 61° | — | — |
| 1987 | 86° | 52° | 69° | — | — |
| 1986 | 69° | 50° | 60° | — | — |
| 1985 | 83° | 53° | 68° | — | — |
| 1984 | 80° | 56° | 68° | — | — |
| 1983 | 84° | 63° | 73° | — | — |
| 1982 | 84° | 53° | 69° | — | — |
| 1981 | 83° | 53° | 68° | — | — |
| 1980 | 77° | 50° | 64° | — | — |
| 1979 | 79° | 57° | 68° | — | — |
| 1978 | 78° | 50° | 64° | — | — |
| 1977 | 79° | 52° | 65° | — | — |
| 1976 | 70° | 52° | 61° | — | — |
| 1975 | 70° | 50° | 60° | — | — |
| 1974 | 70° | 51° | 60° | — | — |
| 1973 | 75° | 51° | 63° | — | — |
| 1972 | 82° | 50° | 66° | — | — |
| 1971 | 72° | 55° | 63° | — | — |
53 years of data from HAYWARD AIR TERMINAL