Weather on September 8
Hayward, CA
55 Years of Data
Avg High
77°F
Avg Low
57°F
Warmest
2022
83°F avg
Coldest
1975
58°F avg
About This Date
September 8th in Hayward, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 57°F. Over 53 years of records, the warmest September 8th was in 2022 (83°F average), while the coldest was 1975 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 8th dates historically, with the wettest September 8th recording 0.56" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Hayward, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 62° | 70° | — | — |
| 2024 | 85° | 57° | 71° | — | — |
| 2023 | 83° | 58° | 70° | — | — |
| 2022warmest | 100° | 66° | 83° | — | — |
| 2021 | 84° | 61° | 72° | — | — |
| 2020 | 83° | 62° | 72° | — | — |
| 2019 | 72° | 59° | 65° | — | — |
| 2018 | 75° | 55° | 65° | — | — |
| 2017 | 73° | 62° | 68° | — | — |
| 2016 | 75° | 59° | 67° | — | — |
| 2015 | 97° | 62° | 79° | — | — |
| 2014 | 70° | 61° | 65° | — | — |
| 2013 | 82° | 56° | 69° | — | — |
| 2012 | 66° | 56° | 61° | — | — |
| 2011 | 71° | 55° | 63° | — | — |
| 2010 | 67° | 58° | 62° | — | — |
| 2009 | 76° | 55° | 65° | — | — |
| 2008 | 74° | 59° | 66° | — | — |
| 2007 | 70° | 60° | 65° | — | — |
| 2006 | 65° | 57° | 61° | — | — |
| 2005 | 69° | 59° | 64° | — | — |
| 2004 | 91° | 63° | 77° | — | — |
| 2003 | 75° | 59° | 67° | — | — |
| 2002 | 78° | 53° | 66° | — | — |
| 2001 | 74° | 55° | 64° | — | — |
| 2000 | 78° | 57° | 68° | — | — |
| 1999 | 72° | 57° | 64° | 0.56" | — |
| 1998 | 69° | 54° | 61° | — | — |
| 1997 | 81° | 57° | 69° | — | — |
| 1996 | 90° | 66° | 78° | — | — |
| 1995 | 74° | 53° | 63° | — | — |
| 1994 | 71° | 54° | 62° | — | — |
| 1993 | 86° | 65° | 75° | — | — |
| 1992 | 82° | 54° | 68° | — | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 79° | 54° | 66° | — | — |
| 1987 | 75° | 54° | 64° | — | — |
| 1986 | 68° | 56° | 62° | — | — |
| 1985 | 65° | 57° | 61° | 0.33" | — |
| 1984 | 90° | 60° | 75° | — | — |
| 1983 | 70° | 58° | 64° | — | — |
| 1982 | 91° | 59° | 75° | — | — |
| 1981 | 72° | 55° | 63° | — | — |
| 1980 | 66° | 55° | 61° | — | — |
| 1979 | 78° | 62° | 70° | — | — |
| 1978 | 73° | 50° | 62° | — | — |
| 1977 | 87° | 52° | 69° | — | — |
| 1976 | 92° | 56° | 74° | — | — |
| 1975coldest | 66° | 50° | 58° | — | — |
| 1974 | 78° | 54° | 66° | — | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 77° | 50° | 64° | — | — |
| 1971 | 88° | 49° | 68° | — | — |
53 years of data from HAYWARD AIR TERMINAL