Weather on September 3
Temecula, CA
55 Years of Data
Avg High
93°F
Avg Low
63°F
Warmest
2007
92°F avg
Coldest
1999
63°F avg
About This Date
September 3rd in Temecula, CA typically brings hot fall weather, with average highs around 93°F and lows near 63°F — a 30°F daily swing. Over 52 years of records, the warmest September 3rd was in 2007 (92°F average), while the coldest was 1999 (63°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 68° | 82° | — | — |
| 2024 | 96° | 64° | 80° | — | — |
| 2023 | 80° | 61° | 70° | — | — |
| 2022 | 101° | 78° | 90° | — | — |
| 2021 | 86° | 58° | 72° | — | — |
| 2020 | 91° | 59° | 75° | — | — |
| 2019 | 96° | 73° | 84° | — | — |
| 2018 | 82° | 63° | 72° | — | — |
| 2017 | 91° | 70° | 80° | — | — |
| 2016 | 77° | 58° | 68° | — | — |
| 2015 | 81° | 59° | 70° | — | — |
| 2014 | 86° | 64° | 75° | — | — |
| 2013 | 96° | 72° | 84° | — | — |
| 2012 | 96° | 67° | 81° | — | — |
| 2011 | 86° | 56° | 71° | — | — |
| 2010 | 97° | 64° | 81° | — | — |
| 2009 | 102° | 73° | 87° | — | — |
| 2008 | 96° | 66° | 81° | — | — |
| 2007warmest | 106° | 79° | 92° | — | — |
| 2006 | 100° | 76° | 88° | — | — |
| 2005 | 90° | 62° | 76° | — | — |
| 2004 | 73° | 55° | 64° | — | — |
| 2003 | 90° | 67° | 78° | — | — |
| 2002 | 96° | 68° | 82° | — | — |
| 2001 | 81° | 60° | 70° | — | — |
| 2000 | 81° | 54° | 67° | — | — |
| 1999coldest | 74° | 52° | 63° | — | — |
| 1998 | 99° | 67° | 83° | — | — |
| 1997 | 96° | 72° | 84° | — | — |
| 1996 | 86° | 59° | 73° | — | — |
| 1995 | 94° | 70° | 82° | — | — |
| 1994 | 84° | 59° | 72° | — | — |
| 1993 | 94° | 68° | 81° | — | — |
| 1992 | 88° | 54° | 71° | — | — |
| 1991 | 100° | 66° | 83° | — | — |
| 1989 | 99° | 50° | 74° | — | — |
| 1988 | 108° | 62° | 85° | — | — |
| 1987 | 95° | 61° | 78° | — | — |
| 1986 | 91° | 55° | 73° | — | — |
| 1985 | 81° | 61° | 71° | — | — |
| 1984 | 105° | 60° | 83° | — | — |
| 1983 | 100° | 60° | 80° | — | — |
| 1982 | 109° | 62° | 86° | — | — |
| 1981 | 89° | 55° | 72° | — | — |
| 1980 | 96° | 55° | 76° | — | — |
| 1979 | 100° | 56° | 78° | — | — |
| 1978 | 101° | 64° | 82° | — | — |
| 1977 | 98° | 62° | 80° | — | — |
| 1976 | 94° | 69° | 81° | — | — |
| 1975 | 101° | 55° | 78° | — | — |
| 1974 | 101° | 63° | 82° | — | — |
| 1973 | 91° | 56° | 73° | — | — |
52 years of data from FALLBROOK 5 NE