Weather on September 28
Portland, OR
55 Years of Data
Avg High
73°F
Avg Low
53°F
Warmest
2017
73°F avg
Coldest
1972
51°F avg
About This Date
September 28th in Portland, OR typically brings pleasant fall weather, with average highs around 73°F and lows near 53°F. Over 55 years of records, the warmest September 28th was in 2017 (73°F average), while the coldest was 1972 (51°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 28th dates historically, with the wettest September 28th recording 4.19" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for September 28th in Portland, OR? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 54° | 64° | — | — |
| 2024 | 73° | 53° | 63° | — | — |
| 2023 | 64° | 54° | 59° | 0.1" | — |
| 2022 | 69° | 55° | 62° | 0.3" | — |
| 2021 | 60° | 51° | 56° | 1.35" | — |
| 2020 | 83° | 52° | 67° | — | — |
| 2019 | 59° | 46° | 53° | 0.38" | — |
| 2018 | 86° | 53° | 70° | — | — |
| 2017warmest | 86° | 60° | 73° | — | — |
| 2016 | 72° | 53° | 62° | — | — |
| 2015 | 78° | 50° | 64° | — | — |
| 2014 | 74° | 59° | 66° | — | — |
| 2013 | 63° | 52° | 57° | 4.19" | — |
| 2012 | 81° | 62° | 71° | — | — |
| 2011 | 73° | 48° | 61° | — | — |
| 2010 | 76° | 65° | 70° | — | — |
| 2009 | 66° | 53° | 60° | — | — |
| 2008 | 83° | 50° | 66° | — | — |
| 2007 | 59° | 49° | 54° | 0.33" | — |
| 2006 | 84° | 56° | 70° | — | — |
| 2005 | 77° | 49° | 63° | — | — |
| 2004 | 79° | 59° | 69° | — | — |
| 2003 | 85° | 58° | 71° | — | — |
| 2002 | 79° | 53° | 66° | — | — |
| 2001 | 64° | 48° | 56° | — | — |
| 2000 | 70° | 53° | 61° | — | — |
| 1999 | 74° | 46° | 60° | — | — |
| 1998 | 77° | 55° | 66° | — | — |
| 1997 | 75° | 51° | 63° | — | — |
| 1996 | 80° | 53° | 67° | — | — |
| 1995 | 64° | 55° | 60° | 0.66" | — |
| 1994 | 73° | 60° | 67° | — | — |
| 1993 | 81° | 53° | 67° | — | — |
| 1992 | 82° | 50° | 66° | — | — |
| 1991 | 66° | 60° | 63° | — | — |
| 1990 | 81° | 56° | 68° | — | — |
| 1989 | 88° | 57° | 72° | — | — |
| 1988 | 74° | 49° | 61° | — | — |
| 1987 | 82° | 52° | 67° | — | — |
| 1986 | 61° | 49° | 55° | 0.05" | — |
| 1985 | 68° | 51° | 60° | — | — |
| 1984 | 72° | 53° | 62° | — | — |
| 1983 | 66° | 43° | 54° | — | — |
| 1982 | 62° | 46° | 54° | 0.03" | — |
| 1981 | 66° | 53° | 60° | 0.15" | — |
| 1980 | 72° | 54° | 63° | 0.18" | — |
| 1979 | 73° | 51° | 62° | — | — |
| 1978 | 71° | 55° | 63° | — | — |
| 1977 | 66° | 52° | 59° | 0.33" | — |
| 1976 | 74° | 61° | 67° | — | — |
| 1975 | 68° | 52° | 60° | — | — |
| 1974 | 71° | 46° | 59° | — | — |
| 1973 | 83° | 54° | 68° | — | — |
| 1972coldest | 58° | 44° | 51° | — | — |
| 1971 | 56° | 48° | 52° | 2.29" | — |
55 years of data from PORTLAND KGW-TV