Weather on September 13
Hayward, CA
55 Years of Data
Avg High
76°F
Avg Low
57°F
Warmest
1983
83°F avg
Coldest
1975
58°F avg
About This Date
September 13th in Hayward, CA typically brings pleasant fall weather, with average highs around 76°F and lows near 57°F. Over 53 years of records, the warmest September 13th was in 1983 (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 2% of September 13th dates historically, with the wettest September 13th recording 1.14" of rain. 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 13th 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 | 67° | 61° | 64° | — | — |
| 2024 | 84° | 58° | 71° | — | — |
| 2023 | 78° | 58° | 68° | — | — |
| 2022 | 70° | 61° | 65° | — | — |
| 2021 | 80° | 58° | 69° | — | — |
| 2020 | 71° | 58° | 64° | — | — |
| 2019 | 96° | 64° | 80° | — | — |
| 2018 | 69° | 59° | 64° | — | — |
| 2017 | 74° | 65° | 69° | — | — |
| 2016 | 75° | 55° | 65° | — | — |
| 2015 | 77° | 60° | 69° | — | — |
| 2014 | 80° | 60° | 70° | — | — |
| 2013 | 68° | 56° | 62° | — | — |
| 2012 | 73° | 56° | 64° | — | — |
| 2011 | 74° | 59° | 66° | — | — |
| 2010 | 69° | 57° | 63° | — | — |
| 2009 | 74° | 61° | 67° | 1.14" | — |
| 2008 | 70° | 57° | 63° | — | — |
| 2007 | 75° | 58° | 66° | — | — |
| 2006 | 73° | 56° | 64° | — | — |
| 2005 | 65° | 55° | 60° | — | — |
| 2004 | 73° | 60° | 67° | — | — |
| 2003 | 94° | 65° | 79° | — | — |
| 2002 | 68° | 55° | 62° | — | — |
| 2001 | 69° | 57° | 63° | — | — |
| 2000 | 88° | 66° | 77° | — | — |
| 1999 | 70° | 58° | 64° | — | — |
| 1998 | 90° | 65° | 77° | — | — |
| 1997 | 70° | 57° | 63° | — | — |
| 1996 | 67° | 56° | 61° | — | — |
| 1995 | 68° | 52° | 60° | — | — |
| 1994 | 68° | 52° | 60° | — | — |
| 1993 | 73° | 55° | 64° | — | — |
| 1992 | 86° | 54° | 70° | — | — |
| 1989 | 80° | 53° | 67° | — | — |
| 1988 | 72° | 52° | 62° | — | — |
| 1987 | 67° | 58° | 62° | — | — |
| 1986 | 65° | 51° | 58° | — | — |
| 1985 | 75° | 52° | 63° | — | — |
| 1984 | 82° | 53° | 68° | — | — |
| 1983warmest | 100° | 66° | 83° | — | — |
| 1982 | 86° | 56° | 71° | — | — |
| 1981 | 70° | 58° | 64° | — | — |
| 1980 | 68° | 54° | 61° | — | — |
| 1979 | 99° | 63° | 81° | — | — |
| 1978 | 85° | 52° | 68° | — | — |
| 1977 | 68° | 55° | 62° | — | — |
| 1976 | 72° | 53° | 62° | — | — |
| 1975coldest | 67° | 50° | 58° | — | — |
| 1974 | 70° | 51° | 60° | — | — |
| 1973 | 68° | 50° | 59° | — | — |
| 1972 | 75° | 48° | 62° | — | — |
| 1971 | 94° | 56° | 75° | — | — |
53 years of data from HAYWARD AIR TERMINAL