Weather on September 17
Santa Clarita, CA
55 Years of Data
Avg High
87°F
Avg Low
56°F
Warmest
2000
86°F avg
Coldest
1977
60°F avg
About This Date
September 17th in Santa Clarita, CA typically brings warm fall weather, with average highs around 87°F and lows near 56°F — a 31°F daily swing. Over 54 years of records, the warmest September 17th was in 2000 (86°F average), while the coldest was 1977 (60°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 17th dates historically, with the wettest September 17th recording 0.66" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for September 17th 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 | 97° | 69° | 83° | — | — |
| 2024 | 76° | 50° | 63° | — | — |
| 2023 | 73° | 62° | 68° | — | — |
| 2022 | 75° | 58° | 66° | — | — |
| 2021 | 80° | 54° | 67° | — | — |
| 2020 | 95° | 62° | 79° | — | — |
| 2019 | 85° | 56° | 70° | — | — |
| 2018 | 90° | 57° | 73° | — | — |
| 2017 | 78° | 57° | 68° | — | — |
| 2016 | 87° | 71° | 79° | — | — |
| 2015 | 84° | 54° | 69° | — | — |
| 2014 | 99° | 71° | 85° | — | — |
| 2013 | 88° | 59° | 73° | — | — |
| 2012 | 94° | 61° | 77° | — | — |
| 2011 | 82° | 58° | 70° | — | — |
| 2010 | 90° | 57° | 73° | — | — |
| 2009 | 102° | 65° | 83° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 79° | 53° | 66° | — | — |
| 2006 | 94° | 63° | 78° | — | — |
| 2005 | 86° | 52° | 69° | — | — |
| 2004 | 83° | 57° | 70° | — | — |
| 2003 | 85° | 55° | 70° | — | — |
| 2002 | 88° | 60° | 74° | — | — |
| 2001 | 84° | 55° | 70° | — | — |
| 2000warmest | 103° | 69° | 86° | — | — |
| 1999 | 85° | 55° | 70° | — | — |
| 1998 | 94° | 59° | 76° | — | — |
| 1997 | 88° | 63° | 75° | — | — |
| 1996 | 90° | 58° | 74° | — | — |
| 1995 | 91° | 58° | 74° | — | — |
| 1994 | 87° | 59° | 73° | — | — |
| 1993 | 73° | 54° | 63° | — | — |
| 1992 | 95° | 61° | 78° | — | — |
| 1991 | 96° | 56° | 76° | — | — |
| 1990 | 81° | 55° | 68° | — | — |
| 1989 | 83° | 58° | 70° | 0.66" | — |
| 1988 | 87° | 46° | 67° | — | — |
| 1987 | 89° | 44° | 67° | — | — |
| 1986 | 82° | 46° | 64° | — | — |
| 1985 | 81° | 48° | 64° | — | — |
| 1984 | 103° | 60° | 81° | 0.41" | — |
| 1983 | 95° | 56° | 75° | — | — |
| 1982 | 69° | 55° | 62° | 0.05" | — |
| 1981 | 100° | 55° | 78° | — | — |
| 1980 | 91° | 50° | 71° | — | — |
| 1978 | 88° | 48° | 68° | 0.05" | — |
| 1977coldest | 74° | 46° | 60° | — | — |
| 1976 | 74° | 51° | 62° | — | — |
| 1975 | 91° | 62° | 77° | 0.05" | — |
| 1974 | 100° | 48° | 74° | — | — |
| 1973 | 82° | 43° | 62° | — | — |
| 1972 | 89° | 45° | 67° | — | — |
| 1971 | 85° | 56° | 70° | — | — |
54 years of data from SAUGUS CALIFORNIA