Weather on September 30
Tracy, CA
55 Years of Data
Avg High
86°F
Avg Low
53°F
Warmest
1988
78°F avg
Coldest
2019
59°F avg
About This Date
September 30th in Tracy, CA typically brings warm fall weather, with average highs around 86°F and lows near 53°F — a 33°F daily swing. Over 55 years of records, the warmest September 30th was in 1988 (78°F average), while the coldest was 2019 (59°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 30th dates historically, with the wettest September 30th recording 1.6" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for September 30th in Tracy, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 52° | 65° | — | — |
| 2024 | 88° | 55° | 71° | — | — |
| 2023 | 82° | 51° | 67° | — | — |
| 2022 | 85° | 52° | 68° | — | — |
| 2021 | 82° | 48° | 65° | — | — |
| 2020 | 94° | 56° | 75° | — | — |
| 2019coldest | 73° | 44° | 59° | — | — |
| 2018 | 81° | 57° | 69° | — | — |
| 2017 | 95° | 48° | 72° | — | — |
| 2016 | 89° | 49° | 69° | — | — |
| 2015 | 82° | 54° | 68° | — | — |
| 2014 | 83° | 52° | 67° | — | — |
| 2013 | 83° | 49° | 66° | — | — |
| 2012 | 92° | 53° | 72° | — | — |
| 2011 | 92° | 56° | 74° | — | — |
| 2010 | 98° | 58° | 78° | — | — |
| 2009 | 78° | 54° | 66° | — | — |
| 2008 | 90° | 56° | 73° | — | — |
| 2007 | 73° | 50° | 62° | — | — |
| 2006 | 84° | 50° | 67° | — | — |
| 2005 | 92° | 55° | 73° | — | — |
| 2004 | 78° | 53° | 66° | — | — |
| 2003 | 84° | 52° | 68° | — | — |
| 2002 | 78° | 58° | 68° | — | — |
| 2001 | 87° | 50° | 69° | — | — |
| 2000 | 90° | 51° | 70° | — | — |
| 1999 | 90° | 55° | 72° | — | — |
| 1998 | 80° | 53° | 67° | — | — |
| 1997 | 95° | 54° | 74° | — | — |
| 1996 | 91° | 52° | 71° | — | — |
| 1995 | 81° | 39° | 60° | — | — |
| 1994 | 84° | 52° | 68° | — | — |
| 1993 | 93° | 58° | 75° | — | — |
| 1992 | 89° | — | — | — | — |
| 1991 | 95° | 56° | 75° | — | — |
| 1990 | 94° | 58° | 76° | — | — |
| 1989 | 80° | 52° | 66° | — | — |
| 1988warmest | 96° | 59° | 78° | — | — |
| 1987 | 91° | 61° | 76° | — | — |
| 1986 | 82° | 50° | 66° | — | — |
| 1985 | 73° | 48° | 61° | — | — |
| 1984 | 90° | 57° | 73° | 0.05" | — |
| 1983 | 82° | 54° | 68° | 1.6" | — |
| 1982 | 72° | 52° | 62° | — | — |
| 1981 | 79° | 54° | 66° | — | — |
| 1980 | 91° | 50° | 71° | — | — |
| 1979 | 92° | 55° | 73° | — | — |
| 1978 | 94° | 59° | 76° | — | — |
| 1977 | 76° | 47° | 61° | — | — |
| 1976 | 77° | 59° | 68° | 0.13" | — |
| 1975 | 86° | 50° | 68° | — | — |
| 1974 | 86° | 48° | 67° | — | — |
| 1973 | 92° | 51° | 71° | — | — |
| 1972 | 88° | 57° | 72° | — | — |
| 1971 | 74° | 47° | 60° | — | — |
55 years of data from TRACY CARBONA