Weather on September 6
Mission Viejo, CA
55 Years of Data
Avg High
88°F
Avg Low
64°F
Warmest
2020
94°F avg
Coldest
1973
65°F avg
About This Date
September 6th in Mission Viejo, CA typically brings warm fall weather, with average highs around 88°F and lows near 64°F. Over 55 years of records, the warmest September 6th was in 2020 (94°F average), while the coldest was 1973 (65°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 6th dates historically. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for September 6th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 60° | 77° | — | — |
| 2024 | 112° | 70° | 91° | — | — |
| 2023 | 80° | 60° | 70° | — | — |
| 2022 | 96° | 71° | 84° | — | — |
| 2021 | 84° | 64° | 74° | — | — |
| 2020warmest | 111° | 77° | 94° | — | — |
| 2019 | 92° | 67° | 79° | — | — |
| 2018 | 83° | 60° | 71° | — | — |
| 2017 | 90° | 66° | 78° | — | — |
| 2016 | 81° | 58° | 69° | — | — |
| 2015 | 91° | 61° | 76° | — | — |
| 2014 | 98° | 63° | 80° | — | — |
| 2013 | 101° | 72° | 86° | — | — |
| 2012 | 87° | 66° | 77° | — | — |
| 2011 | 99° | 76° | 87° | — | — |
| 2010 | 75° | 56° | 65° | — | — |
| 2009 | 89° | 61° | 75° | — | — |
| 2008 | 95° | 64° | 80° | — | — |
| 2007 | 84° | 61° | 72° | — | — |
| 2006 | 97° | 64° | 80° | — | — |
| 2005 | 91° | 62° | 77° | — | — |
| 2004 | 90° | 67° | 78° | — | — |
| 2003 | 96° | 64° | 80° | — | — |
| 2002 | 84° | 64° | 74° | — | — |
| 2001 | 78° | 60° | 69° | — | — |
| 2000 | 92° | 59° | 75° | — | — |
| 1999 | 82° | 60° | 71° | — | — |
| 1998 | 88° | 67° | 77° | — | — |
| 1997 | 86° | 68° | 77° | — | — |
| 1996 | 84° | 64° | 74° | — | — |
| 1995 | 92° | 68° | 80° | — | — |
| 1994 | 90° | 67° | 78° | — | — |
| 1993 | 83° | 65° | 74° | — | — |
| 1992 | 83° | 63° | 73° | — | — |
| 1991 | 80° | 66° | 73° | — | — |
| 1990 | 90° | 68° | 79° | — | — |
| 1989 | 84° | 61° | 72° | — | — |
| 1988 | 96° | 64° | 80° | — | — |
| 1987 | 79° | 55° | 67° | — | — |
| 1986 | 80° | 62° | 71° | — | — |
| 1985 | 75° | 60° | 68° | — | — |
| 1984 | 104° | 74° | 89° | — | — |
| 1983 | 86° | 62° | 74° | — | — |
| 1982 | 89° | 65° | 77° | — | — |
| 1981 | 82° | 64° | 73° | 0.1" | — |
| 1980 | 78° | 61° | 69° | — | — |
| 1979 | 82° | 63° | 72° | — | — |
| 1978 | 73° | 63° | 68° | 0.3" | — |
| 1977 | 95° | 64° | 80° | — | — |
| 1976 | 83° | 66° | 74° | — | — |
| 1975 | 80° | 64° | 72° | — | — |
| 1974 | 85° | 63° | 74° | — | — |
| 1973coldest | 79° | 51° | 65° | — | — |
| 1972 | 81° | 66° | 73° | 0.03" | — |
| 1971 | 94° | 62° | 78° | — | — |
55 years of data from EL TORO MCAS