Weather on September 8
Portland, OR
55 Years of Data
Avg High
76°F
Avg Low
56°F
Warmest
2011
77°F avg
Coldest
1978
53°F avg
About This Date
September 8th in Portland, OR typically brings pleasant fall weather, with average highs around 76°F and lows near 56°F. Over 55 years of records, the warmest September 8th was in 2011 (77°F average), while the coldest was 1978 (53°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 8th dates historically, with the wettest September 8th recording 0.66" 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 8th in Portland, OR? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 58° | 67° | 0.1" | — |
| 2024 | 82° | 61° | 71° | — | — |
| 2023 | 76° | 52° | 64° | — | — |
| 2022 | 78° | 51° | 65° | — | — |
| 2021 | 85° | 62° | 73° | — | — |
| 2020 | 79° | 68° | 73° | — | — |
| 2019 | 70° | 59° | 64° | 0.66" | — |
| 2018 | 73° | 58° | 65° | — | — |
| 2017 | 73° | 64° | 69° | — | — |
| 2016 | 73° | 59° | 66° | — | — |
| 2015 | 79° | 55° | 67° | — | — |
| 2014 | 75° | 56° | 65° | — | — |
| 2013 | 83° | 61° | 72° | — | — |
| 2012 | 78° | 53° | 66° | — | — |
| 2011warmest | 87° | 66° | 77° | — | — |
| 2010 | 66° | 50° | 58° | 0.1" | — |
| 2009 | 74° | 50° | 62° | — | — |
| 2008 | 87° | 60° | 74° | — | — |
| 2007 | 82° | 54° | 68° | — | — |
| 2006 | 74° | 55° | 64° | — | — |
| 2005 | 82° | 60° | 71° | — | — |
| 2004 | 78° | 54° | 66° | — | — |
| 2003 | 68° | 54° | 61° | 0.41" | — |
| 2002 | 71° | 50° | 61° | — | — |
| 2001 | 85° | 55° | 70° | — | — |
| 2000 | 68° | 50° | 59° | 0.64" | — |
| 1999 | 86° | 55° | 71° | — | — |
| 1998 | 70° | 58° | 64° | — | — |
| 1997 | 91° | 57° | 74° | — | — |
| 1996 | 78° | 58° | 68° | — | — |
| 1995 | 79° | 58° | 68° | — | — |
| 1994 | 64° | 57° | 61° | 0.56" | — |
| 1993 | 89° | 62° | 76° | — | — |
| 1992 | 67° | 58° | 62° | 0.03" | — |
| 1991 | 66° | 51° | 59° | — | — |
| 1990 | 73° | 63° | 68° | — | — |
| 1989 | 89° | 52° | 70° | — | — |
| 1988 | 79° | 53° | 66° | — | — |
| 1987 | 75° | 57° | 66° | — | — |
| 1986 | 69° | 54° | 61° | — | — |
| 1985 | 66° | 48° | 57° | — | — |
| 1984 | 76° | 56° | 66° | 0.05" | — |
| 1983 | 67° | 49° | 58° | 0.36" | — |
| 1982 | 80° | 56° | 68° | — | — |
| 1981 | 89° | 57° | 73° | — | — |
| 1980 | 86° | 53° | 70° | — | — |
| 1979 | 74° | 59° | 66° | 0.23" | — |
| 1978coldest | 58° | 49° | 53° | 0.56" | — |
| 1977 | 75° | 49° | 62° | — | — |
| 1976 | 79° | 51° | 65° | — | — |
| 1975 | 75° | 56° | 65° | — | — |
| 1974 | 70° | 59° | 64° | — | — |
| 1973 | 76° | 47° | 61° | — | — |
| 1972 | 71° | 55° | 63° | 0.43" | — |
| 1971 | 79° | 52° | 65° | — | — |
55 years of data from PORTLAND KGW-TV