Weather on September 27
Santa Clara, CA
55 Years of Data
Avg High
79°F
Avg Low
57°F
Warmest
2016
79°F avg
Coldest
1998
58°F avg
About This Date
September 27th in Santa Clara, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 57°F. Over 55 years of records, the warmest September 27th was in 2016 (79°F average), while the coldest was 1998 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 27th dates historically, with the wettest September 27th recording 1.63" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for September 27th in Santa Clara, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 61° | 69° | — | — |
| 2024 | 94° | 59° | 76° | — | — |
| 2023 | 80° | 54° | 67° | — | — |
| 2022 | 73° | 58° | 65° | — | — |
| 2021 | 76° | 58° | 67° | — | — |
| 2020 | 94° | 61° | 77° | — | — |
| 2019 | 76° | 56° | 66° | — | — |
| 2018 | 75° | 57° | 66° | — | — |
| 2017 | 92° | 61° | 76° | — | — |
| 2016warmest | 95° | 63° | 79° | — | — |
| 2015 | 80° | 59° | 70° | — | — |
| 2014 | 74° | 59° | 66° | — | — |
| 2013 | 78° | 49° | 63° | — | — |
| 2012 | 81° | 52° | 66° | — | — |
| 2011 | 83° | 55° | 69° | — | — |
| 2010 | 96° | 57° | 77° | — | — |
| 2009 | 93° | 61° | 77° | — | — |
| 2008 | 88° | 59° | 73° | — | — |
| 2007 | 82° | 56° | 69° | — | — |
| 2006 | 75° | 57° | 66° | — | — |
| 2005 | 76° | 59° | 67° | — | — |
| 2004 | 70° | 52° | 61° | — | — |
| 2003 | 69° | 56° | 62° | — | — |
| 2002 | 70° | 59° | 64° | — | — |
| 2001 | 74° | 59° | 66° | — | — |
| 2000 | 74° | 60° | 67° | — | — |
| 1999 | 93° | 58° | 75° | — | — |
| 1998coldest | 65° | 52° | 58° | 0.03" | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 76° | 56° | 66° | — | — |
| 1995 | 78° | 56° | 67° | — | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 90° | 56° | 73° | — | — |
| 1992 | 90° | 58° | 74° | — | — |
| 1991 | 74° | 59° | 66° | — | — |
| 1990 | 80° | 56° | 68° | — | — |
| 1989 | 78° | 53° | 66° | — | — |
| 1988 | 81° | 57° | 69° | — | — |
| 1987 | 88° | 52° | 70° | — | — |
| 1986 | 70° | 55° | 62° | 0.2" | — |
| 1985 | 72° | 62° | 67° | — | — |
| 1984 | 91° | 57° | 74° | — | — |
| 1983 | 73° | 60° | 67° | — | — |
| 1982 | 73° | 49° | 61° | — | — |
| 1981 | 80° | 60° | 70° | — | — |
| 1980 | 71° | 57° | 64° | — | — |
| 1979 | 78° | 54° | 66° | — | — |
| 1978 | 76° | 61° | 68° | — | — |
| 1977 | 78° | 62° | 70° | — | — |
| 1976 | 75° | 59° | 67° | — | — |
| 1975 | 69° | 52° | 60° | — | — |
| 1974 | 75° | 51° | 63° | — | — |
| 1973 | 94° | 54° | 74° | — | — |
| 1972 | 76° | 49° | 62° | 1.63" | — |
| 1971 | 72° | 47° | 59° | — | — |
55 years of data from SANTA CLARA UNIV