Weather on September 21
Elk Grove, CA
55 Years of Data
Avg High
89°F
Avg Low
58°F
Warmest
1987
81°F avg
Coldest
2013
63°F avg
About This Date
September 21st in Elk Grove, CA typically brings warm fall weather, with average highs around 89°F and lows near 58°F — a 31°F daily swing. Over 55 years of records, the warmest September 21st was in 1987 (81°F average), while the coldest was 2013 (63°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 21st dates historically, with the wettest September 21st recording 1.07" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for September 21st in Elk Grove, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 61° | 77° | — | — |
| 2024 | 89° | 59° | 74° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022 | 79° | 61° | 70° | 0.18" | — |
| 2021 | 96° | 60° | 78° | — | — |
| 2020 | 93° | 62° | 78° | — | — |
| 2019 | 87° | 57° | 72° | — | — |
| 2018 | 95° | 56° | 75° | — | — |
| 2017 | 75° | 52° | 63° | — | — |
| 2016 | 84° | 57° | 71° | — | — |
| 2015 | 100° | 61° | 80° | — | — |
| 2014 | 83° | 63° | 73° | — | — |
| 2013coldest | 71° | 56° | 63° | 1.07" | — |
| 2012 | 91° | 58° | 74° | — | — |
| 2011 | 101° | 61° | 81° | — | — |
| 2010 | 78° | 57° | 68° | — | — |
| 2009 | 96° | 62° | 79° | — | — |
| 2008 | 82° | 55° | 69° | — | — |
| 2007 | 80° | 52° | 66° | — | — |
| 2006 | 86° | 58° | 72° | — | — |
| 2005 | 89° | 61° | 75° | — | — |
| 2004 | 84° | 52° | 68° | — | — |
| 2003 | 100° | 60° | 80° | — | — |
| 2002 | 102° | 59° | 81° | — | — |
| 2001 | 92° | 54° | 73° | — | — |
| 2000 | 78° | 62° | 70° | — | — |
| 1999 | 93° | 57° | 75° | — | — |
| 1998 | 82° | 57° | 70° | — | — |
| 1997 | 96° | 60° | 78° | — | — |
| 1996 | 94° | 64° | 79° | — | — |
| 1995 | 94° | 61° | 77° | — | — |
| 1994 | 98° | 61° | 79° | — | — |
| 1993 | 87° | 56° | 71° | — | — |
| 1992 | 98° | 60° | 79° | — | — |
| 1991 | 95° | 57° | 76° | — | — |
| 1990 | 89° | 66° | 78° | — | — |
| 1989 | 85° | 59° | 72° | — | — |
| 1988 | 86° | 56° | 71° | — | — |
| 1987warmest | 103° | 60° | 81° | — | — |
| 1986 | 80° | 49° | 64° | — | — |
| 1985 | 92° | 60° | 76° | — | — |
| 1984 | 85° | 60° | 72° | — | — |
| 1983 | 94° | 67° | 80° | — | — |
| 1982 | 86° | 57° | 72° | — | — |
| 1981 | 88° | 60° | 74° | — | — |
| 1980 | 85° | 55° | 70° | — | — |
| 1979 | 93° | 62° | 78° | — | — |
| 1978 | 86° | 57° | 72° | — | — |
| 1977 | 82° | 55° | 69° | — | — |
| 1976 | 88° | 56° | 72° | — | — |
| 1975 | 93° | 62° | 78° | — | — |
| 1974 | 93° | 60° | 77° | — | — |
| 1973 | 83° | 55° | 69° | — | — |
| 1972 | 91° | 59° | 75° | — | — |
| 1971 | 88° | 55° | 71° | — | — |
55 years of data from SACRAMENTO 5 ESE