Weather on September 27
Corona, CA
55 Years of Data
Avg High
87°F
Avg Low
57°F
Warmest
2010
94°F avg
Coldest
1986
61°F avg
About This Date
September 27th in Corona, CA typically brings warm fall weather, with average highs around 87°F and lows near 57°F — a 30°F daily swing. Over 45 years of records, the warmest September 27th was in 2010 (94°F average), while the coldest was 1986 (61°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 27th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 61° | 70° | — | — |
| 2024 | 85° | 54° | 69° | — | — |
| 2023 | 89° | 50° | 70° | — | — |
| 2022 | 98° | 60° | 79° | — | — |
| 2021 | 71° | 62° | 67° | — | — |
| 2020 | 87° | 62° | 75° | — | — |
| 2019 | 77° | 65° | 71° | — | — |
| 2018 | 92° | 53° | 72° | — | — |
| 2017 | 90° | 44° | 67° | — | — |
| 2016 | 98° | 56° | 77° | — | — |
| 2015 | 94° | 57° | 75° | — | — |
| 2014 | 78° | 53° | 66° | — | — |
| 2013 | 87° | 40° | 63° | — | — |
| 2012 | 90° | 52° | 71° | — | — |
| 2011 | 97° | 59° | 78° | — | — |
| 2010warmest | 115° | 74° | 94° | — | — |
| 2009 | 95° | 63° | 79° | — | — |
| 2008 | 97° | 64° | 80° | — | — |
| 2007 | 88° | 60° | 74° | — | — |
| 2006 | 91° | 53° | 72° | — | — |
| 2005 | 91° | 62° | 77° | — | — |
| 2004 | 89° | 57° | 73° | — | — |
| 2003 | 89° | 59° | 74° | — | — |
| 2002 | 78° | 57° | 68° | — | — |
| 2001 | 96° | 64° | 80° | — | — |
| 2000 | 77° | 60° | 69° | — | — |
| 1999 | 81° | 58° | 69° | — | — |
| 1998 | 75° | 55° | 65° | — | — |
| 1987 | 89° | 59° | 74° | — | — |
| 1986coldest | 73° | 49° | 61° | — | — |
| 1985 | 80° | 63° | 71° | — | — |
| 1984 | 93° | 62° | 78° | — | — |
| 1983 | 81° | 61° | 71° | — | — |
| 1982 | 76° | 56° | 66° | — | — |
| 1981 | 85° | 54° | 69° | — | — |
| 1980 | 89° | 51° | 70° | — | — |
| 1979 | 91° | 56° | 73° | — | — |
| 1978 | 99° | 57° | 78° | — | — |
| 1977 | 81° | 57° | 69° | — | — |
| 1976 | 80° | 57° | 69° | — | — |
| 1975 | 89° | 50° | 70° | — | — |
| 1974 | 75° | 58° | 66° | — | — |
| 1973 | 101° | 66° | 83° | — | — |
| 1972 | 80° | 53° | 67° | — | — |
| 1971 | 77° | 49° | 63° | — | — |
45 years of data from CORONA CALIFORNIA