Weather on September 26
Temecula, CA
55 Years of Data
Avg High
87°F
Avg Low
59°F
Warmest
2010
91°F avg
Coldest
1998
57°F avg
About This Date
September 26th in Temecula, CA typically brings warm fall weather, with average highs around 87°F and lows near 59°F — a 28°F daily swing. Over 53 years of records, the warmest September 26th was in 2010 (91°F average), while the coldest was 1998 (57°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 8% of September 26th dates historically. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for September 26th in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 62° | 69° | — | — |
| 2024 | 82° | 54° | 68° | — | — |
| 2023 | 85° | 57° | 71° | — | — |
| 2022 | 93° | 69° | 81° | — | — |
| 2021 | 72° | 60° | 66° | — | — |
| 2020 | 85° | 56° | 71° | — | — |
| 2019 | 73° | 63° | 68° | 0.06" | — |
| 2018 | 84° | 55° | 70° | — | — |
| 2017 | 86° | 60° | 73° | — | — |
| 2016 | 103° | 73° | 88° | — | — |
| 2015 | 93° | 71° | 82° | — | — |
| 2014 | 85° | 62° | 74° | — | — |
| 2013 | 73° | 55° | 64° | — | — |
| 2012 | 84° | 55° | 70° | — | — |
| 2011 | 82° | 59° | 71° | — | — |
| 2010warmest | 109° | 72° | 91° | — | — |
| 2009 | 100° | 69° | 85° | — | — |
| 2008 | 93° | 63° | 78° | — | — |
| 2007 | 90° | 62° | 76° | — | — |
| 2006 | 82° | 61° | 71° | — | — |
| 2005 | 94° | 63° | 78° | — | — |
| 2004 | 91° | 67° | 79° | — | — |
| 2003 | 83° | 61° | 72° | — | — |
| 2002 | 80° | 55° | 68° | — | — |
| 2001 | 94° | 73° | 83° | — | — |
| 2000 | 81° | 59° | 70° | — | — |
| 1999 | 76° | 56° | 66° | — | — |
| 1998coldest | 63° | 52° | 57° | — | — |
| 1997 | 87° | 43° | 65° | — | — |
| 1996 | 72° | 56° | 64° | — | — |
| 1995 | 73° | 56° | 64° | — | — |
| 1994 | 86° | 69° | 78° | — | — |
| 1993 | 101° | 68° | 84° | — | — |
| 1992 | 101° | 53° | 77° | — | — |
| 1991 | 102° | 68° | 85° | 0.1" | — |
| 1990 | 88° | 53° | 70° | — | — |
| 1989 | 100° | 67° | 83° | — | — |
| 1988 | 85° | 53° | 69° | — | — |
| 1987 | — | 54° | — | — | — |
| 1986 | 71° | 48° | 60° | — | — |
| 1985 | 82° | 58° | 70° | — | — |
| 1984 | 92° | 68° | 80° | — | — |
| 1983 | 91° | 61° | 76° | — | — |
| 1982 | 81° | 50° | 65° | 0.13" | — |
| 1981 | 88° | 48° | 68° | — | — |
| 1980 | 102° | 56° | 79° | — | — |
| 1979 | 99° | 57° | 78° | — | — |
| 1978 | 104° | 60° | 82° | — | — |
| 1977 | 83° | 57° | 70° | — | — |
| 1976 | 70° | 57° | 63° | 0.05" | — |
| 1975 | 98° | 50° | 74° | — | — |
| 1974 | 86° | 58° | 72° | — | — |
| 1973 | 93° | 51° | 72° | — | — |
53 years of data from FALLBROOK 5 NE