Weather on September 5
Hayward, CA
55 Years of Data
Avg High
80°F
Avg Low
57°F
Warmest
2022
83°F avg
Coldest
1973
57°F avg
About This Date
September 5th in Hayward, CA typically brings warm fall weather, with average highs around 80°F and lows near 57°F. Over 53 years of records, the warmest September 5th was in 2022 (83°F average), while the coldest was 1973 (57°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in Hayward, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 61° | 65° | — | — |
| 2024 | 86° | 59° | 73° | — | — |
| 2023 | 81° | 59° | 70° | — | — |
| 2022warmest | 102° | 64° | 83° | — | — |
| 2021 | 86° | 53° | 70° | — | — |
| 2020 | 98° | 62° | 80° | — | — |
| 2019 | 72° | 60° | 66° | — | — |
| 2018 | 72° | 60° | 66° | — | — |
| 2017 | 86° | 68° | 77° | — | — |
| 2016 | 77° | 52° | 64° | — | — |
| 2015 | 78° | 52° | 65° | — | — |
| 2014 | 78° | 62° | 70° | — | — |
| 2013 | 74° | 60° | 67° | — | — |
| 2012 | 67° | 55° | 61° | — | — |
| 2011 | 71° | 55° | 63° | — | — |
| 2010 | 77° | 55° | 66° | — | — |
| 2009 | 74° | 59° | 66° | — | — |
| 2008 | 95° | 64° | 80° | — | — |
| 2007 | 89° | 57° | 73° | — | — |
| 2006 | 76° | 56° | 66° | — | — |
| 2005 | 76° | 54° | 65° | — | — |
| 2004 | 96° | 65° | 80° | — | — |
| 2003 | 73° | 60° | 67° | — | — |
| 2002 | 71° | 57° | 64° | — | — |
| 2001 | 68° | 57° | 63° | — | — |
| 2000 | 77° | 54° | 65° | — | — |
| 1999 | 83° | 54° | 68° | — | — |
| 1998 | 85° | 62° | 73° | — | — |
| 1997 | 77° | 58° | 67° | — | — |
| 1996 | 79° | 51° | 65° | — | — |
| 1995 | 84° | 56° | 70° | — | — |
| 1994 | 81° | 61° | 71° | — | — |
| 1993 | 63° | 53° | 58° | — | — |
| 1992 | 80° | 56° | 68° | — | — |
| 1989 | 81° | 50° | 65° | — | — |
| 1988 | 91° | 54° | 72° | — | — |
| 1987 | 73° | 58° | 65° | — | — |
| 1986 | 78° | 55° | 67° | — | — |
| 1985 | 72° | 59° | 65° | — | — |
| 1984 | 92° | 59° | 75° | — | — |
| 1983 | 90° | 61° | 75° | — | — |
| 1982 | 82° | 56° | 69° | — | — |
| 1981 | 72° | 54° | 63° | — | — |
| 1980 | 77° | 54° | 65° | — | — |
| 1979 | 77° | 57° | 67° | — | — |
| 1978 | 78° | 57° | 68° | — | — |
| 1977 | 88° | 59° | 73° | — | — |
| 1976 | 73° | 54° | 63° | — | — |
| 1975 | 89° | 54° | 71° | — | — |
| 1974 | 79° | 55° | 67° | — | — |
| 1973coldest | 66° | 48° | 57° | — | — |
| 1972 | 77° | 52° | 64° | — | — |
| 1971 | 89° | 53° | 71° | — | — |
53 years of data from HAYWARD AIR TERMINAL