Weather on September 1
Temecula, CA
55 Years of Data
Avg High
93°F
Avg Low
62°F
Warmest
2002
95°F avg
Coldest
1999
62°F avg
About This Date
September 1st in Temecula, CA typically brings hot fall weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 52 years of records, the warmest September 1st was in 2002 (95°F average), while the coldest was 1999 (62°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 1st 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 1st in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 66° | 80° | — | — |
| 2024 | 91° | 60° | 76° | — | — |
| 2023 | 88° | 63° | 75° | 0.29" | — |
| 2022 | 102° | 74° | 88° | — | — |
| 2021 | 79° | 62° | 71° | 0.03" | — |
| 2020 | 86° | 61° | 73° | — | — |
| 2019 | 93° | 61° | 77° | — | — |
| 2018 | 80° | 61° | 71° | — | — |
| 2017 | 108° | 71° | 89° | — | — |
| 2016 | 85° | 61° | 73° | — | — |
| 2015 | 86° | 64° | 75° | — | — |
| 2014 | 90° | 59° | 74° | — | — |
| 2013 | 94° | 68° | 81° | — | — |
| 2012 | 96° | 66° | 81° | — | — |
| 2011 | 89° | 55° | 72° | — | — |
| 2010 | 87° | 60° | 74° | — | — |
| 2009 | 93° | 69° | 81° | — | — |
| 2008 | 84° | 63° | 73° | — | — |
| 2007 | 104° | 79° | 91° | — | — |
| 2006 | 96° | 66° | 81° | — | — |
| 2005 | 85° | 59° | 72° | — | — |
| 2004 | 100° | 73° | 87° | — | — |
| 2003 | 86° | 65° | 75° | — | — |
| 2002warmest | 109° | 80° | 95° | — | — |
| 2001 | 88° | 63° | 75° | — | — |
| 2000 | 76° | 55° | 65° | — | — |
| 1999coldest | 74° | 51° | 62° | — | — |
| 1998 | 101° | 76° | 88° | — | — |
| 1997 | 89° | 68° | 79° | — | — |
| 1996 | 88° | 64° | 76° | — | — |
| 1995 | 95° | 79° | 87° | — | — |
| 1994 | 82° | 57° | 70° | — | — |
| 1993 | 84° | 63° | 73° | — | — |
| 1992 | 88° | 54° | 71° | — | — |
| 1991 | 102° | 63° | 82° | — | — |
| 1989 | 95° | 48° | 72° | — | — |
| 1988 | 104° | 63° | 83° | — | — |
| 1987 | 100° | 61° | 80° | — | — |
| 1986 | 89° | 54° | 71° | — | — |
| 1985 | 99° | 63° | 81° | — | — |
| 1984 | 103° | 58° | 80° | — | — |
| 1983 | 92° | 63° | 77° | — | — |
| 1982 | 107° | 56° | 81° | — | — |
| 1981 | 98° | 56° | 77° | — | — |
| 1980 | 91° | 56° | 73° | — | — |
| 1979 | 92° | 55° | 73° | — | — |
| 1978 | 99° | 58° | 78° | — | — |
| 1977 | 92° | 54° | 73° | — | — |
| 1976 | 100° | 58° | 79° | — | — |
| 1975 | 95° | 49° | 72° | — | — |
| 1974 | 101° | 56° | 78° | — | — |
| 1973 | 87° | 51° | 69° | — | — |
52 years of data from FALLBROOK 5 NE