Weather on September 20
Santa Clarita, CA
55 Years of Data
Avg High
86°F
Avg Low
55°F
Warmest
2012
86°F avg
Coldest
1986
56°F avg
About This Date
September 20th in Santa Clarita, CA typically brings warm fall weather, with average highs around 86°F and lows near 55°F — a 31°F daily swing. Over 54 years of records, the warmest September 20th was in 2012 (86°F average), while the coldest was 1986 (56°F) — a 30°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for September 20th in Santa Clarita, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 62° | 75° | — | — |
| 2024 | 79° | 54° | 66° | — | — |
| 2023 | 69° | 57° | 63° | — | — |
| 2022 | 78° | 58° | 68° | — | — |
| 2021 | 95° | 61° | 78° | — | — |
| 2020 | 89° | 58° | 73° | — | — |
| 2019 | 87° | 56° | 71° | — | — |
| 2018 | 91° | 60° | 76° | — | — |
| 2017 | 76° | 55° | 65° | — | — |
| 2016 | 78° | 62° | 70° | — | — |
| 2015 | 103° | 69° | 86° | — | — |
| 2014 | 83° | 60° | 71° | — | — |
| 2013 | 76° | 55° | 65° | — | — |
| 2012warmest | 102° | 69° | 86° | — | — |
| 2011 | 96° | 63° | 79° | — | — |
| 2010 | 92° | 61° | 76° | — | — |
| 2009 | 92° | 61° | 76° | — | — |
| 2008 | 79° | 57° | 68° | — | — |
| 2007 | 71° | 50° | 61° | — | — |
| 2006 | 84° | 52° | 68° | — | — |
| 2005 | 83° | 62° | 72° | — | — |
| 2004 | 79° | 50° | 64° | — | — |
| 2003 | 101° | 62° | 81° | — | — |
| 2002 | 93° | 66° | 80° | — | — |
| 2001 | 89° | 58° | 73° | — | — |
| 2000 | 85° | 59° | 72° | — | — |
| 1999 | 89° | 50° | 70° | — | — |
| 1998 | 67° | 60° | 63° | — | — |
| 1997 | 85° | 53° | 69° | — | — |
| 1996 | 90° | 55° | 72° | — | — |
| 1995 | 94° | 56° | 75° | — | — |
| 1994 | 86° | 55° | 71° | — | — |
| 1993 | 75° | 49° | 62° | — | — |
| 1992 | 92° | 55° | 73° | — | — |
| 1991 | 89° | 58° | 73° | — | — |
| 1990 | 80° | 55° | 68° | — | — |
| 1989 | 72° | 45° | 58° | — | — |
| 1988 | 86° | 44° | 65° | — | — |
| 1987 | 95° | 50° | 73° | — | — |
| 1986coldest | 73° | 39° | 56° | — | — |
| 1985 | 79° | 43° | 61° | — | — |
| 1984 | 103° | 62° | 82° | — | — |
| 1983 | 93° | 58° | 75° | — | — |
| 1982 | 90° | 50° | 70° | — | — |
| 1981 | 96° | 54° | 75° | — | — |
| 1980 | 97° | 48° | 72° | — | — |
| 1978 | 79° | 44° | 61° | — | — |
| 1977 | 81° | 47° | 64° | — | — |
| 1976 | 78° | 52° | 65° | — | — |
| 1975 | 94° | 54° | 74° | — | — |
| 1974 | 94° | 50° | 72° | — | — |
| 1973 | 85° | 45° | 65° | — | — |
| 1972 | 79° | 49° | 64° | — | — |
| 1971 | 92° | 47° | 69° | — | — |
54 years of data from SAUGUS CALIFORNIA