Weather on September 15
Santa Clarita, CA
55 Years of Data
Avg High
89°F
Avg Low
57°F
Warmest
2014
91°F avg
Coldest
1977
61°F avg
About This Date
September 15th in Santa Clarita, CA typically brings warm fall weather, with average highs around 89°F and lows near 57°F — a 32°F daily swing. Over 54 years of records, the warmest September 15th was in 2014 (91°F average), while the coldest was 1977 (61°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 15th dates historically. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for September 15th in Santa Clarita, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 63° | 78° | — | — |
| 2024 | 73° | 56° | 64° | — | — |
| 2023 | 81° | 58° | 69° | — | — |
| 2022 | 81° | 59° | 70° | — | — |
| 2021 | 87° | 58° | 72° | — | — |
| 2020 | 93° | 62° | 78° | — | — |
| 2019 | 89° | 64° | 77° | — | — |
| 2018 | 89° | 62° | 76° | — | — |
| 2017 | 77° | 58° | 67° | — | — |
| 2016 | 73° | 59° | 66° | — | — |
| 2015 | 80° | 64° | 72° | — | — |
| 2014warmest | 106° | 77° | 91° | — | — |
| 2013 | 101° | 68° | 84° | — | — |
| 2012 | 103° | 71° | 87° | — | — |
| 2011 | 86° | 59° | 73° | — | — |
| 2010 | 87° | 56° | 71° | — | — |
| 2009 | 86° | 55° | 71° | — | — |
| 2008 | 105° | 66° | 86° | — | — |
| 2007 | 89° | 55° | 72° | — | — |
| 2006 | 73° | 54° | 63° | — | — |
| 2005 | 81° | 53° | 67° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 92° | 59° | 75° | — | — |
| 2002 | 98° | 68° | 83° | — | — |
| 2001 | 95° | 61° | 78° | — | — |
| 2000 | 100° | 64° | 82° | — | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 89° | 59° | 74° | — | — |
| 1997 | 87° | 65° | 76° | — | — |
| 1996 | 79° | 53° | 66° | — | — |
| 1995 | 104° | 68° | 86° | — | — |
| 1994 | 99° | 59° | 79° | — | — |
| 1993 | 80° | 56° | 68° | — | — |
| 1992 | 86° | 51° | 69° | — | — |
| 1991 | 87° | 56° | 71° | — | — |
| 1990 | 89° | 56° | 72° | — | — |
| 1989 | 101° | 53° | 77° | — | — |
| 1988 | 95° | 46° | 71° | — | — |
| 1987 | 84° | 47° | 65° | — | — |
| 1986 | 78° | 44° | 61° | — | — |
| 1985 | 92° | 49° | 70° | — | — |
| 1984 | 101° | 57° | 79° | — | — |
| 1983 | 100° | 55° | 78° | — | — |
| 1982 | 75° | 58° | 66° | 0.25" | — |
| 1981 | 93° | 51° | 72° | — | — |
| 1980 | 83° | 55° | 69° | — | — |
| 1978 | 76° | 48° | 62° | — | — |
| 1977coldest | 80° | 43° | 61° | — | — |
| 1976 | 84° | 59° | 72° | — | — |
| 1975 | 94° | 53° | 73° | — | — |
| 1974 | 87° | 45° | 66° | — | — |
| 1973 | 83° | 47° | 65° | — | — |
| 1972 | 89° | 44° | 67° | — | — |
| 1971 | 105° | 61° | 83° | — | — |
54 years of data from SAUGUS CALIFORNIA