Weather on September 21
Salem, OR
55 Years of Data
Avg High
76°F
Avg Low
48°F
Warmest
1994
75°F avg
Coldest
1993
53°F avg
About This Date
September 21st in Salem, OR typically brings pleasant fall weather, with average highs around 76°F and lows near 48°F — a 28°F daily swing. Over 55 years of records, the warmest September 21st was in 1994 (75°F average), while the coldest was 1993 (53°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 21st dates historically, with the wettest September 21st recording 2.03" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 21st in Salem, OR? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 50° | 62° | 0.43" | — |
| 2024 | 80° | 46° | 63° | — | — |
| 2023 | 75° | 44° | 60° | — | — |
| 2022 | 76° | 56° | 66° | — | — |
| 2021 | 85° | 50° | 67° | — | — |
| 2020 | 74° | 49° | 61° | — | — |
| 2019 | 72° | 52° | 62° | — | — |
| 2018 | 77° | 47° | 62° | — | — |
| 2017 | 65° | 42° | 53° | 0.03" | — |
| 2016 | 73° | 44° | 59° | 1.12" | — |
| 2015 | 73° | 51° | 62° | 0.13" | — |
| 2014 | 86° | 56° | 71° | — | — |
| 2013 | 67° | 55° | 61° | 0.13" | — |
| 2012 | 63° | 54° | 58° | 0.03" | — |
| 2011 | 88° | 51° | 69° | — | — |
| 2010 | 70° | 50° | 60° | — | — |
| 2009 | 89° | 46° | 68° | — | — |
| 2008 | 65° | 51° | 58° | 0.33" | — |
| 2007 | 75° | 47° | 61° | — | — |
| 2006 | 65° | 50° | 57° | — | — |
| 2005 | 75° | 44° | 60° | — | — |
| 2004 | 69° | 41° | 55° | — | — |
| 2003 | 79° | 49° | 64° | — | — |
| 2002 | 82° | 46° | 64° | — | — |
| 2001 | 77° | 45° | 61° | — | — |
| 2000 | 73° | 56° | 64° | — | — |
| 1999 | 89° | 49° | 69° | — | — |
| 1998 | 80° | 48° | 64° | — | — |
| 1997 | 82° | 45° | 63° | — | — |
| 1996 | 65° | 41° | 53° | 0.1" | — |
| 1995 | 86° | 45° | 65° | — | — |
| 1994warmest | 95° | 56° | 75° | — | — |
| 1993coldest | 72° | 35° | 53° | — | — |
| 1992 | 83° | 58° | 70° | — | — |
| 1991 | 73° | 37° | 55° | — | — |
| 1990 | 95° | 46° | 71° | — | — |
| 1989 | 89° | 44° | 67° | — | — |
| 1988 | 73° | 40° | 56° | — | — |
| 1987 | 85° | 44° | 64° | — | — |
| 1986 | 68° | 46° | 57° | — | — |
| 1985 | 74° | 48° | 61° | — | — |
| 1984 | 70° | 47° | 58° | 0.03" | — |
| 1983 | 85° | 46° | 65° | — | — |
| 1982 | 74° | 55° | 64° | — | — |
| 1981 | 64° | 47° | 55° | 1.19" | — |
| 1980 | 70° | 45° | 57° | — | — |
| 1979 | 74° | 49° | 61° | — | — |
| 1978 | 70° | 53° | 61° | — | — |
| 1977 | 64° | 47° | 55° | 0.79" | — |
| 1976 | 65° | 56° | 60° | 0.03" | — |
| 1975 | 92° | 39° | 65° | — | — |
| 1974 | 97° | 47° | 72° | — | — |
| 1973 | 70° | 56° | 63° | 0.1" | — |
| 1972 | 62° | 46° | 54° | 2.03" | — |
| 1971 | 80° | 39° | 60° | — | — |
55 years of data from SALEM AP (MCNARY FIELD)