Weather on September 8
San Jose, CA
55 Years of Data
Avg High
82°F
Avg Low
58°F
Warmest
2022
87°F avg
Coldest
1975
62°F avg
About This Date
September 8th in San Jose, CA typically brings warm fall weather, with average highs around 82°F and lows near 58°F. Over 55 years of records, the warmest September 8th was in 2022 (87°F average), while the coldest was 1975 (62°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 8th dates historically, with the wettest September 8th recording 0.56" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in San Jose, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 60° | 71° | — | — |
| 2024 | 90° | 60° | 75° | — | — |
| 2023 | 87° | 59° | 73° | — | — |
| 2022warmest | 104° | 70° | 87° | — | — |
| 2021 | 91° | 64° | 78° | — | — |
| 2020 | 84° | 64° | 74° | — | — |
| 2019 | 77° | 55° | 66° | — | — |
| 2018 | 84° | 57° | 71° | — | — |
| 2017 | 79° | 63° | 71° | — | — |
| 2016 | 80° | 59° | 70° | — | — |
| 2015 | 96° | 59° | 78° | — | — |
| 2014 | 70° | 56° | 63° | — | — |
| 2013 | 88° | 60° | 74° | — | — |
| 2012 | 71° | 56° | 63° | — | — |
| 2011 | 78° | 57° | 68° | — | — |
| 2010 | 73° | 59° | 66° | — | — |
| 2009 | 83° | 53° | 68° | — | — |
| 2008 | 80° | 57° | 69° | — | — |
| 2007 | 77° | 60° | 69° | — | — |
| 2006 | 73° | 57° | 65° | — | — |
| 2005 | 73° | 54° | 63° | — | — |
| 2004 | 97° | 62° | 79° | — | — |
| 2003 | 78° | 59° | 69° | — | — |
| 2002 | 82° | 51° | 67° | — | — |
| 2001 | 82° | 54° | 68° | — | — |
| 2000 | 83° | 58° | 70° | — | — |
| 1999 | 74° | 58° | 66° | 0.03" | — |
| 1998 | 79° | 58° | 68° | 0.03" | — |
| 1997 | 86° | 62° | 74° | — | — |
| 1996 | 91° | 58° | 74° | — | — |
| 1995 | 84° | 58° | 71° | — | — |
| 1994 | 78° | 53° | 66° | — | — |
| 1993 | 89° | 60° | 75° | — | — |
| 1992 | 88° | 55° | 71° | — | — |
| 1991 | 82° | 60° | 71° | — | — |
| 1990 | 80° | 53° | 67° | — | — |
| 1989 | 76° | 55° | 65° | — | — |
| 1988 | 76° | 55° | 65° | — | — |
| 1987 | 90° | 55° | 72° | — | — |
| 1986 | 71° | 59° | 65° | — | — |
| 1985 | 68° | 58° | 63° | 0.56" | — |
| 1984 | 99° | 64° | 81° | — | — |
| 1983 | 77° | 57° | 67° | — | — |
| 1982 | 91° | 59° | 75° | — | — |
| 1981 | 79° | 55° | 67° | — | — |
| 1980 | 78° | 60° | 69° | — | — |
| 1979 | 80° | 65° | 72° | — | — |
| 1978 | 78° | 51° | 65° | — | — |
| 1977 | 88° | 58° | 73° | — | — |
| 1976 | 96° | 59° | 78° | — | — |
| 1975coldest | 70° | 54° | 62° | — | — |
| 1974 | 82° | 56° | 69° | — | — |
| 1973 | 91° | 52° | 71° | — | — |
| 1972 | 78° | 54° | 66° | — | — |
| 1971 | 91° | 55° | 73° | — | — |
55 years of data from SAN JOSE