Weather on September 18
Tracy, CA
55 Years of Data
Avg High
86°F
Avg Low
53°F
Warmest
1984
81°F avg
Coldest
1982
62°F avg
About This Date
September 18th 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 18th was in 1984 (81°F average), while the coldest was 1982 (62°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 18th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 18th in Tracy, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 60° | 78° | — | — |
| 2024 | 80° | 50° | 65° | — | — |
| 2023 | 83° | 54° | 68° | — | — |
| 2022 | 75° | 61° | 68° | — | — |
| 2021 | 87° | 50° | 69° | — | — |
| 2020 | 91° | 58° | 74° | — | — |
| 2019 | 83° | 54° | 68° | — | — |
| 2018 | 86° | 45° | 65° | — | — |
| 2017 | 86° | 63° | 74° | — | — |
| 2016 | 93° | 50° | 72° | — | — |
| 2015 | 79° | 51° | 65° | — | — |
| 2014 | 92° | 55° | 73° | — | — |
| 2013 | 82° | 51° | 67° | — | — |
| 2012 | 86° | 49° | 67° | — | — |
| 2011 | 84° | 53° | 69° | — | — |
| 2010 | 83° | 56° | 69° | — | — |
| 2009 | 90° | 56° | 73° | — | — |
| 2008 | 80° | 51° | 66° | — | — |
| 2007 | 82° | 51° | 67° | — | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 78° | 47° | 62° | — | — |
| 2004 | 90° | 54° | 72° | — | — |
| 2003 | 89° | 60° | 75° | — | — |
| 2002 | 82° | 54° | 68° | — | — |
| 2001 | 87° | 47° | 67° | — | — |
| 2000 | 93° | 58° | 75° | — | — |
| 1999 | 88° | 51° | 69° | — | — |
| 1998 | 82° | 52° | 67° | — | — |
| 1997 | 87° | 50° | 69° | — | — |
| 1996 | 83° | 53° | 68° | — | — |
| 1995 | 88° | 53° | 70° | — | — |
| 1994 | 92° | 52° | 72° | — | — |
| 1993 | 82° | 48° | 65° | — | — |
| 1992 | 92° | 51° | 71° | — | — |
| 1991 | 97° | 59° | 78° | — | — |
| 1990 | 88° | 55° | 71° | — | — |
| 1989 | 71° | 54° | 62° | 0.03" | — |
| 1988 | 86° | 51° | 69° | — | — |
| 1987 | 88° | 53° | 70° | — | — |
| 1986 | 87° | 50° | 69° | 0.28" | — |
| 1985 | 80° | 45° | 62° | — | — |
| 1984warmest | 98° | 65° | 81° | — | — |
| 1983 | 93° | 53° | 73° | — | — |
| 1982coldest | 68° | 55° | 62° | 0.13" | — |
| 1981 | 90° | 55° | 72° | — | — |
| 1980 | 85° | 53° | 69° | — | — |
| 1979 | 91° | 52° | 71° | — | — |
| 1978 | 77° | 55° | 66° | — | — |
| 1977 | 78° | 51° | 65° | — | — |
| 1976 | 87° | 54° | 70° | — | — |
| 1975 | 90° | 53° | 71° | — | — |
| 1974 | 95° | 53° | 74° | — | — |
| 1973 | 83° | 49° | 66° | — | — |
| 1972 | 82° | 50° | 66° | — | — |
| 1971 | 93° | 64° | 79° | — | — |
55 years of data from TRACY CARBONA