Weather on September 13
Portland, OR
55 Years of Data
Avg High
76°F
Avg Low
55°F
Warmest
1975
77°F avg
Coldest
1980
54°F avg
About This Date
September 13th in Portland, OR typically brings pleasant fall weather, with average highs around 76°F and lows near 55°F. Over 55 years of records, the warmest September 13th was in 1975 (77°F average), while the coldest was 1980 (54°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 15% of September 13th dates historically, with the wettest September 13th recording 1.02" of rain. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for September 13th in Portland, OR? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 57° | 69° | — | — |
| 2024 | 70° | 51° | 60° | — | — |
| 2023 | 77° | 56° | 66° | — | — |
| 2022 | 71° | 61° | 66° | — | — |
| 2021 | 72° | 60° | 66° | — | — |
| 2020 | 62° | 51° | 57° | — | — |
| 2019 | 74° | 60° | 67° | — | — |
| 2018 | 67° | 51° | 59° | 0.03" | — |
| 2017 | 72° | 52° | 62° | — | — |
| 2016 | 79° | 54° | 66° | — | — |
| 2015 | 73° | 57° | 65° | — | — |
| 2014 | 87° | 55° | 71° | — | — |
| 2013 | 73° | 59° | 66° | — | — |
| 2012 | 87° | 55° | 71° | — | — |
| 2011 | 68° | 54° | 61° | — | — |
| 2010 | 76° | 50° | 63° | — | — |
| 2009 | 73° | 62° | 68° | — | — |
| 2008 | 82° | 53° | 68° | — | — |
| 2007 | 62° | 56° | 59° | — | — |
| 2006 | 69° | 51° | 60° | — | — |
| 2005 | 76° | 53° | 64° | — | — |
| 2004 | 69° | 57° | 63° | 0.41" | — |
| 2003 | 80° | 52° | 66° | — | — |
| 2002 | 87° | 58° | 72° | — | — |
| 2001 | 83° | 59° | 71° | — | — |
| 2000 | 86° | 59° | 73° | — | — |
| 1999 | 92° | 59° | 75° | — | — |
| 1998 | 82° | 55° | 69° | — | — |
| 1997 | 69° | 53° | 61° | 1.02" | — |
| 1996 | 64° | 58° | 61° | 0.05" | — |
| 1995 | 87° | 59° | 73° | — | — |
| 1994 | 73° | 50° | 62° | — | — |
| 1993 | 80° | 52° | 66° | — | — |
| 1992 | 65° | 48° | 56° | — | — |
| 1991 | 71° | 56° | 63° | 0.13" | — |
| 1990 | 86° | 52° | 69° | — | — |
| 1989 | 91° | 55° | 73° | — | — |
| 1988 | 91° | 56° | 73° | — | — |
| 1987 | 68° | 57° | 63° | — | — |
| 1986 | 61° | 49° | 55° | — | — |
| 1985 | 65° | 53° | 59° | 0.28" | — |
| 1984 | 79° | 51° | 65° | — | — |
| 1983 | 81° | 55° | 68° | — | — |
| 1982 | 75° | 54° | 64° | — | — |
| 1981 | 82° | 53° | 68° | — | — |
| 1980coldest | 58° | 50° | 54° | 0.03" | — |
| 1979 | 89° | 52° | 70° | — | — |
| 1978 | 60° | 54° | 57° | 0.61" | — |
| 1977 | 85° | 57° | 71° | — | — |
| 1976 | 74° | 51° | 62° | — | — |
| 1975warmest | 91° | 62° | 77° | — | — |
| 1974 | 84° | 53° | 69° | — | — |
| 1973 | 80° | 53° | 67° | — | — |
| 1972 | 84° | 53° | 69° | — | — |
| 1971 | 70° | 54° | 62° | — | — |
55 years of data from PORTLAND KGW-TV