Weather on September 12
Temecula, CA
55 Years of Data
Avg High
87°F
Avg Low
60°F
Warmest
2000
88°F avg
Coldest
1993
62°F avg
About This Date
September 12th in Temecula, CA typically brings warm fall weather, with average highs around 87°F and lows near 60°F — a 27°F daily swing. Over 51 years of records, the warmest September 12th was in 2000 (88°F average), while the coldest was 1993 (62°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 12th in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 60° | 71° | — | — |
| 2024 | 80° | 58° | 69° | — | — |
| 2023 | 84° | 63° | 73° | — | — |
| 2022 | 82° | 68° | 75° | — | — |
| 2021 | 96° | 65° | 80° | — | — |
| 2020 | 94° | 65° | 80° | — | — |
| 2019 | 91° | 61° | 76° | — | — |
| 2018 | 87° | 60° | 73° | — | — |
| 2017 | 87° | 64° | 75° | — | — |
| 2016 | 75° | 60° | 68° | — | — |
| 2015 | 96° | 71° | 83° | — | — |
| 2014 | 96° | 69° | 82° | — | — |
| 2013 | 89° | 59° | 74° | — | — |
| 2012 | 90° | 65° | 77° | — | — |
| 2011 | 90° | 56° | 73° | — | — |
| 2010 | 88° | 52° | 70° | — | — |
| 2009 | 85° | 60° | 73° | — | — |
| 2008 | 77° | 61° | 69° | — | — |
| 2007 | 88° | 72° | 80° | — | — |
| 2006 | 92° | 70° | 81° | — | — |
| 2005 | 74° | 51° | 62° | — | — |
| 2004 | 88° | 65° | 76° | — | — |
| 2003 | 84° | 64° | 74° | — | — |
| 2002 | 88° | 68° | 78° | — | — |
| 2001 | 80° | 57° | 69° | — | — |
| 2000warmest | 102° | 73° | 88° | — | — |
| 1999 | 87° | 63° | 75° | — | — |
| 1998 | 87° | 58° | 72° | — | — |
| 1997 | 82° | 59° | 71° | — | — |
| 1996 | 83° | 56° | 69° | — | — |
| 1995 | 96° | 71° | 84° | — | — |
| 1994 | 72° | 54° | 63° | — | — |
| 1993coldest | 70° | 55° | 62° | — | — |
| 1991 | 85° | 50° | 67° | — | — |
| 1989 | 86° | 53° | 70° | — | — |
| 1988 | 88° | 60° | 74° | — | — |
| 1987 | 96° | 59° | 78° | — | — |
| 1986 | 85° | 56° | 70° | — | — |
| 1985 | 90° | 47° | 68° | — | — |
| 1984 | 83° | 67° | 75° | — | — |
| 1983 | 97° | 70° | 83° | — | — |
| 1982 | 85° | 52° | 68° | — | — |
| 1981 | 98° | 53° | 76° | — | — |
| 1980 | 92° | 55° | 73° | — | — |
| 1979 | 105° | 61° | 83° | — | — |
| 1978 | 80° | 58° | 69° | — | — |
| 1977 | 90° | 61° | 75° | — | — |
| 1976 | 77° | 59° | 68° | — | — |
| 1975 | 82° | 52° | 67° | — | — |
| 1974 | 87° | 53° | 70° | — | — |
| 1973 | 88° | 51° | 69° | — | — |
51 years of data from FALLBROOK 5 NE