Weather on September 28
Santa Clara, CA
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
2010
82°F avg
Coldest
1975
59°F avg
About This Date
September 28th in Santa Clara, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 56°F. Over 55 years of records, the warmest September 28th was in 2010 (82°F average), while the coldest was 1975 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 28th dates historically, with the wettest September 28th recording 1.04" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Santa Clara, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 67° | 71° | — | — |
| 2024 | 81° | 61° | 71° | — | — |
| 2023 | 82° | 53° | 68° | — | — |
| 2022 | 79° | 57° | 68° | — | — |
| 2021 | 77° | 56° | 66° | — | — |
| 2020 | 101° | 64° | 82° | — | — |
| 2019 | 70° | 51° | 60° | — | — |
| 2018 | 71° | 57° | 64° | — | — |
| 2017 | 89° | 59° | 74° | — | — |
| 2016 | 80° | 58° | 69° | — | — |
| 2015 | 74° | 58° | 66° | — | — |
| 2014 | 75° | 58° | 66° | — | — |
| 2013 | 82° | 51° | 67° | — | — |
| 2012 | 70° | 53° | 61° | — | — |
| 2011 | 96° | 60° | 78° | — | — |
| 2010warmest | 99° | 65° | 82° | — | — |
| 2009 | 71° | 56° | 63° | — | — |
| 2008 | 80° | 58° | 69° | — | — |
| 2007 | 68° | 53° | 61° | — | — |
| 2006 | 70° | 57° | 63° | — | — |
| 2005 | 89° | 55° | 72° | — | — |
| 2004 | 73° | 55° | 64° | — | — |
| 2003 | 69° | 59° | 64° | — | — |
| 2002 | 75° | 59° | 67° | — | — |
| 2001 | 75° | 53° | 64° | — | — |
| 2000 | 71° | 54° | 62° | — | — |
| 1999 | 91° | 58° | 74° | — | — |
| 1998 | 75° | 59° | 67° | — | — |
| 1997 | 94° | 58° | 76° | — | — |
| 1996 | 76° | 54° | 65° | — | — |
| 1995 | 74° | 55° | 64° | — | — |
| 1994 | 74° | 62° | 68° | — | — |
| 1993 | 85° | 57° | 71° | — | — |
| 1992 | 89° | 57° | 73° | — | — |
| 1991 | 82° | 54° | 68° | — | — |
| 1990 | 83° | 61° | 72° | — | — |
| 1989 | 75° | 58° | 66° | 0.58" | — |
| 1988 | 87° | 52° | 69° | — | — |
| 1987 | 86° | 55° | 71° | — | — |
| 1986 | 75° | 48° | 62° | — | — |
| 1985 | 68° | 58° | 63° | — | — |
| 1984 | 88° | 56° | 72° | — | — |
| 1983 | 76° | 53° | 64° | — | — |
| 1982 | 75° | 51° | 63° | — | — |
| 1981 | 74° | 60° | 67° | — | — |
| 1980 | 77° | 57° | 67° | — | — |
| 1979 | 83° | 56° | 69° | — | — |
| 1978 | 84° | 53° | 69° | — | — |
| 1977 | 77° | 62° | 70° | — | — |
| 1976 | 70° | 60° | 65° | 1.04" | — |
| 1975coldest | 68° | 50° | 59° | — | — |
| 1974 | 72° | 52° | 62° | — | — |
| 1973 | 94° | 58° | 76° | — | — |
| 1972 | 79° | 58° | 68° | — | — |
| 1971 | 72° | 48° | 60° | — | — |
55 years of data from SANTA CLARA UNIV