Weather on September 15
Salem, OR
55 Years of Data
Avg High
76°F
Avg Low
49°F
Warmest
2001
72°F avg
Coldest
1987
54°F avg
About This Date
September 15th in Salem, OR typically brings pleasant fall weather, with average highs around 76°F and lows near 49°F — a 27°F daily swing. Over 55 years of records, the warmest September 15th was in 2001 (72°F average), while the coldest was 1987 (54°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 15th dates historically, with the wettest September 15th recording 3.05" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Salem, OR? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 48° | 61° | — | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 92° | 53° | 72° | — | — |
| 2022 | 75° | 60° | 68° | — | — |
| 2021 | 75° | 55° | 65° | — | — |
| 2020 | 76° | 55° | 65° | — | — |
| 2019 | 62° | 57° | 60° | 1.47" | — |
| 2018 | 68° | 46° | 57° | 0.18" | — |
| 2017 | 81° | 47° | 64° | — | — |
| 2016 | 83° | 45° | 64° | — | — |
| 2015 | 65° | 45° | 55° | 0.1" | — |
| 2014 | 88° | 50° | 69° | — | — |
| 2013 | 69° | 60° | 65° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011 | 71° | 51° | 61° | — | — |
| 2010 | 74° | 55° | 64° | 0.69" | — |
| 2009 | 83° | 52° | 67° | — | — |
| 2008 | 89° | 50° | 70° | — | — |
| 2007 | 72° | 54° | 63° | — | — |
| 2006 | 65° | 45° | 55° | 0.1" | — |
| 2005 | 71° | 53° | 62° | — | — |
| 2004 | 70° | 54° | 62° | 0.46" | — |
| 2003 | 69° | 43° | 56° | — | — |
| 2002 | 69° | 55° | 62° | — | — |
| 2001warmest | 82° | 63° | 72° | 0.2" | — |
| 2000 | 74° | 55° | 64° | — | — |
| 1999 | 75° | 48° | 62° | — | — |
| 1998 | 88° | 52° | 70° | — | — |
| 1997 | 61° | 54° | 57° | 3.05" | — |
| 1996 | 66° | 50° | 58° | 1.32" | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 83° | 49° | 66° | — | — |
| 1993 | 71° | 47° | 59° | 0.03" | — |
| 1992 | 62° | 50° | 56° | 0.13" | — |
| 1991 | 87° | 44° | 66° | — | — |
| 1990 | 67° | 56° | 61° | 1.07" | — |
| 1989 | 88° | 43° | 65° | — | — |
| 1988 | 66° | 42° | 54° | — | — |
| 1987coldest | 66° | 42° | 54° | — | — |
| 1986 | 70° | 46° | 58° | 0.91" | — |
| 1985 | 70° | 46° | 58° | — | — |
| 1984 | 81° | 50° | 65° | — | — |
| 1983 | 80° | 45° | 62° | — | — |
| 1982 | 77° | 42° | 60° | — | — |
| 1981 | 96° | 44° | 70° | — | — |
| 1980 | 84° | 38° | 61° | — | — |
| 1979 | 75° | 47° | 61° | — | — |
| 1978 | 70° | 48° | 59° | — | — |
| 1977 | 68° | 48° | 58° | — | — |
| 1976 | 76° | 48° | 62° | — | — |
| 1975 | 83° | 52° | 67° | — | — |
| 1974 | 84° | 42° | 63° | — | — |
| 1973 | 81° | 41° | 61° | — | — |
| 1972 | 84° | 44° | 64° | — | — |
| 1971 | 80° | 46° | 63° | — | — |
55 years of data from SALEM AP (MCNARY FIELD)