Weather on September 27
Temecula, CA
55 Years of Data
Avg High
87°F
Avg Low
58°F
Warmest
2010
96°F avg
Coldest
1986
58°F avg
About This Date
September 27th in Temecula, CA typically brings warm fall weather, with average highs around 87°F and lows near 58°F — a 29°F daily swing. Over 53 years of records, the warmest September 27th was in 2010 (96°F average), while the coldest was 1986 (58°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 27th dates historically. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for September 27th in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 62° | 71° | — | — |
| 2024 | 82° | 53° | 68° | — | — |
| 2023 | 89° | 58° | 73° | — | — |
| 2022 | 96° | 70° | 83° | — | — |
| 2021 | 66° | 58° | 62° | 0.03" | — |
| 2020 | 85° | 58° | 71° | — | — |
| 2019 | 76° | 61° | 68° | — | — |
| 2018 | 88° | 60° | 74° | — | — |
| 2017 | 89° | 59° | 74° | — | — |
| 2016 | 95° | 70° | 82° | — | — |
| 2015 | 94° | 69° | 82° | — | — |
| 2014 | 77° | 59° | 68° | — | — |
| 2013 | 88° | 53° | 70° | — | — |
| 2012 | 90° | 58° | 74° | — | — |
| 2011 | 87° | 59° | 73° | — | — |
| 2010warmest | 113° | 80° | 96° | — | — |
| 2009 | 91° | 58° | 75° | — | — |
| 2008 | 90° | 64° | 77° | — | — |
| 2007 | 81° | 56° | 68° | — | — |
| 2006 | 88° | 61° | 74° | — | — |
| 2005 | 89° | 62° | 76° | — | — |
| 2004 | 88° | 56° | 72° | — | — |
| 2003 | 85° | 64° | 74° | — | — |
| 2002 | 70° | 55° | 62° | — | — |
| 2001 | 95° | 68° | 82° | — | — |
| 2000 | 72° | 59° | 65° | — | — |
| 1999 | 75° | 56° | 65° | — | — |
| 1998 | 74° | 55° | 64° | — | — |
| 1997 | 94° | 39° | 66° | — | — |
| 1996 | 85° | 57° | 71° | — | — |
| 1995 | 75° | 54° | 64° | — | — |
| 1994 | 98° | 70° | 84° | — | — |
| 1993 | 100° | 71° | 86° | — | — |
| 1992 | 102° | 54° | 78° | — | — |
| 1991 | 95° | 56° | 75° | — | — |
| 1990 | 82° | 54° | 68° | — | — |
| 1989 | 94° | 61° | 77° | — | — |
| 1988 | 87° | 48° | 68° | — | — |
| 1987 | — | 55° | — | — | — |
| 1986coldest | 71° | 45° | 58° | — | — |
| 1985 | 76° | 61° | 68° | — | — |
| 1984 | 95° | 52° | 73° | — | — |
| 1983 | 90° | 62° | 76° | — | — |
| 1982 | 84° | 50° | 67° | — | — |
| 1981 | 93° | 47° | 70° | — | — |
| 1980 | 101° | 55° | 78° | — | — |
| 1979 | 97° | 55° | 76° | — | — |
| 1978 | 102° | 60° | 81° | — | — |
| 1977 | 84° | 57° | 71° | — | — |
| 1976 | 80° | 56° | 68° | — | — |
| 1975 | 94° | 49° | 71° | — | — |
| 1974 | 79° | 57° | 68° | — | — |
| 1973 | 96° | 58° | 77° | — | — |
53 years of data from FALLBROOK 5 NE