Weather on September 21
Sterling Heights, MI
55 Years of Data
Avg High
72°F
Avg Low
54°F
Warmest
2022
77°F avg
Coldest
1973
49°F avg
About This Date
September 21st in Sterling Heights, MI typically brings pleasant fall weather, with average highs around 72°F and lows near 54°F. Over 53 years of records, the warmest September 21st was in 2022 (77°F average), while the coldest was 1973 (49°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 21st dates historically, with the wettest September 21st recording 1.63" of rain. The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Sterling Heights, MI? Great weather for outdoor activities.
Warming Trend
2.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 60° | 69° | 0.2" | — |
| 2024 | 89° | 64° | 77° | — | — |
| 2023 | 83° | 60° | 71° | — | — |
| 2022warmest | 88° | 66° | 77° | 0.81" | — |
| 2021 | 77° | 61° | 69° | 0.03" | — |
| 2020 | 70° | 46° | 58° | — | — |
| 2019 | 87° | 65° | 76° | 0.05" | — |
| 2018 | 86° | 60° | 73° | — | — |
| 2017 | 88° | 65° | 76° | — | — |
| 2016 | 81° | 57° | 69° | — | — |
| 2015 | 71° | 52° | 61° | — | — |
| 2012 | 71° | 50° | 61° | 0.2" | — |
| 2011 | 72° | 52° | 62° | — | — |
| 2010 | 70° | 50° | 60° | — | — |
| 2009 | 77° | 48° | 63° | 1.22" | — |
| 2008 | 84° | 53° | 69° | — | — |
| 2007 | 82° | 56° | 69° | — | — |
| 2006 | 60° | 39° | 50° | — | — |
| 2005 | 76° | 57° | 66° | — | — |
| 2004 | 74° | 47° | 60° | — | — |
| 2003 | 71° | 50° | 61° | — | — |
| 2002 | 80° | 63° | 71° | — | — |
| 2001 | 67° | 55° | 61° | 1.63" | — |
| 2000 | 62° | 48° | 55° | — | — |
| 1999 | 64° | 48° | 56° | — | — |
| 1998 | 90° | 63° | 76° | — | — |
| 1997 | 64° | 45° | 54° | — | — |
| 1996 | 75° | 56° | 65° | — | — |
| 1995 | 59° | 48° | 54° | — | — |
| 1994 | 81° | 60° | 70° | — | — |
| 1993 | 60° | 52° | 56° | — | — |
| 1992 | 75° | 61° | 68° | — | — |
| 1991 | 63° | 39° | 51° | — | — |
| 1990 | 65° | 52° | 58° | — | — |
| 1989 | 78° | 58° | 68° | — | — |
| 1988 | 60° | 56° | 58° | — | — |
| 1987 | 67° | 50° | 58° | — | — |
| 1986 | 75° | 60° | 68° | — | — |
| 1985 | 72° | 57° | 64° | — | — |
| 1984 | 72° | 54° | 63° | — | — |
| 1983 | 61° | 49° | 55° | — | — |
| 1982 | 57° | 46° | 52° | — | — |
| 1981 | 57° | 49° | 53° | — | — |
| 1980 | 85° | 67° | 76° | — | — |
| 1979 | 63° | 51° | 57° | — | — |
| 1978 | 80° | 57° | 69° | — | — |
| 1977 | 63° | 57° | 60° | — | — |
| 1976 | 61° | 48° | 54° | — | — |
| 1975 | 65° | 53° | 59° | — | — |
| 1974 | 69° | 52° | 60° | — | — |
| 1973coldest | 60° | 38° | 49° | — | — |
| 1972 | 71° | 57° | 64° | — | — |
| 1971 | 66° | 47° | 56° | — | — |
53 years of data from SHELBY 1SSW