Weather on September 2
Santa Rosa, CA
55 Years of Data
Avg High
84°F
Avg Low
53°F
Warmest
2017
87°F avg
Coldest
1986
62°F avg
About This Date
September 2nd in Santa Rosa, CA typically brings warm fall weather, with average highs around 84°F and lows near 53°F — a 31°F daily swing. Over 55 years of records, the warmest September 2nd was in 2017 (87°F average), while the coldest was 1986 (62°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 2nd dates historically, with the wettest September 2nd recording 0.86" 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 2nd in Santa Rosa, 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 | 96° | 56° | 76° | — | — |
| 2024 | 83° | 50° | 66° | — | — |
| 2023 | 73° | 58° | 65° | — | — |
| 2022 | 94° | 53° | 73° | — | — |
| 2021 | 78° | 55° | 67° | — | — |
| 2020 | 75° | 58° | 66° | — | — |
| 2019 | 92° | 56° | 74° | — | — |
| 2018 | 89° | 51° | 70° | — | — |
| 2017warmest | 110° | 64° | 87° | — | — |
| 2016 | 85° | 55° | 70° | — | — |
| 2015 | 80° | 54° | 67° | — | — |
| 2014 | 72° | 54° | 63° | — | — |
| 2013 | 81° | 59° | 70° | — | — |
| 2012 | 87° | 44° | 66° | — | — |
| 2011 | 89° | 49° | 69° | — | — |
| 2010 | 98° | 57° | 78° | — | — |
| 2009 | 93° | 54° | 73° | — | — |
| 2008 | 93° | 52° | 72° | — | — |
| 2007 | 95° | 52° | 73° | — | — |
| 2006 | 73° | 50° | 62° | — | — |
| 2005 | 73° | 50° | 62° | — | — |
| 2004 | 87° | 47° | 67° | — | — |
| 2003 | 83° | 52° | 67° | — | — |
| 2002 | 97° | 59° | 78° | — | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 72° | 56° | 64° | 0.86" | — |
| 1999 | 78° | 51° | 65° | — | — |
| 1998 | 96° | 52° | 74° | — | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 73° | 54° | 63° | — | — |
| 1995 | 78° | 50° | 64° | — | — |
| 1994 | 81° | 50° | 65° | — | — |
| 1993 | 87° | 58° | 72° | — | — |
| 1992 | 74° | 52° | 63° | — | — |
| 1991 | 98° | 56° | 77° | — | — |
| 1990 | 81° | 51° | 66° | — | — |
| 1989 | 86° | 48° | 67° | — | — |
| 1988 | 78° | 52° | 65° | — | — |
| 1987 | 82° | 52° | 67° | — | — |
| 1986coldest | 73° | 52° | 62° | — | — |
| 1985 | 75° | 56° | 65° | — | — |
| 1984 | 93° | 54° | 73° | — | — |
| 1983 | 87° | 53° | 70° | — | — |
| 1982 | 88° | 51° | 69° | — | — |
| 1981 | 86° | 53° | 70° | — | — |
| 1980 | 77° | 50° | 64° | — | — |
| 1979 | 78° | 65° | 71° | — | — |
| 1978 | 96° | 55° | 76° | — | — |
| 1977 | 77° | 52° | 64° | — | — |
| 1976 | 87° | 49° | 68° | — | — |
| 1975 | 92° | 47° | 69° | — | — |
| 1974 | 80° | 51° | 66° | — | — |
| 1973 | 81° | 50° | 65° | — | — |
| 1972 | 74° | 58° | 66° | — | — |
| 1971 | 86° | 51° | 69° | — | — |
55 years of data from SANTA ROSA