Weather on September 29
Portland, OR
55 Years of Data
Avg High
71°F
Avg Low
52°F
Warmest
1987
72°F avg
Coldest
2019
46°F avg
About This Date
September 29th in Portland, OR typically brings pleasant fall weather, with average highs around 71°F and lows near 52°F. Over 55 years of records, the warmest September 29th was in 1987 (72°F average), while the coldest was 2019 (46°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 29th dates historically, with the wettest September 29th recording 3.86" of rain. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for September 29th in Portland, OR? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 58° | 61° | 0.2" | — |
| 2024 | 66° | 47° | 56° | — | — |
| 2023 | 60° | 52° | 56° | — | — |
| 2022 | 69° | 58° | 63° | 0.15" | — |
| 2021 | 65° | 48° | 56° | — | — |
| 2020 | 87° | 56° | 71° | — | — |
| 2019coldest | 49° | 43° | 46° | 0.71" | — |
| 2018 | 65° | 54° | 59° | — | — |
| 2017 | 69° | 53° | 61° | 0.25" | — |
| 2016 | 69° | 52° | 60° | — | — |
| 2015 | 82° | 51° | 67° | — | — |
| 2014 | 63° | 55° | 59° | 0.23" | — |
| 2013 | 57° | 52° | 54° | 3.86" | — |
| 2012 | 72° | 57° | 64° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 76° | 57° | 66° | — | — |
| 2009 | 61° | 50° | 55° | 0.28" | — |
| 2008 | 87° | 55° | 71° | — | — |
| 2007 | 58° | 44° | 51° | — | — |
| 2006 | 80° | 56° | 68° | — | — |
| 2005 | 72° | 62° | 67° | — | — |
| 2004 | 66° | 55° | 61° | — | — |
| 2003 | 68° | 57° | 63° | — | — |
| 2002 | 63° | 50° | 56° | 1.07" | — |
| 2001 | 70° | 46° | 58° | — | — |
| 2000 | 72° | 53° | 62° | — | — |
| 1999 | 76° | 46° | 61° | — | — |
| 1998 | 72° | 54° | 63° | — | — |
| 1997 | 76° | 57° | 66° | — | — |
| 1996 | 74° | 54° | 64° | — | — |
| 1995 | 65° | 55° | 60° | 0.2" | — |
| 1994 | 64° | 59° | 62° | 0.13" | — |
| 1993 | 87° | 53° | 70° | — | — |
| 1992 | 84° | 56° | 70° | — | — |
| 1991 | 76° | 55° | 65° | — | — |
| 1990 | 74° | 55° | 64° | — | — |
| 1989 | 67° | 57° | 62° | — | — |
| 1988 | 83° | 52° | 67° | — | — |
| 1987warmest | 87° | 57° | 72° | — | — |
| 1986 | 62° | 53° | 58° | 0.56" | — |
| 1985 | 71° | 47° | 59° | — | — |
| 1984 | 76° | 49° | 62° | — | — |
| 1983 | 69° | 44° | 57° | — | — |
| 1982 | 60° | 41° | 51° | — | — |
| 1981 | 65° | 50° | 57° | 0.18" | — |
| 1980 | 79° | 51° | 65° | — | — |
| 1979 | 76° | 45° | 60° | — | — |
| 1978 | 79° | 52° | 65° | — | — |
| 1977 | 59° | 50° | 55° | 0.81" | — |
| 1976 | 74° | 58° | 66° | — | — |
| 1975 | 81° | 53° | 67° | — | — |
| 1974 | 78° | 49° | 63° | — | — |
| 1973 | 70° | 56° | 63° | — | — |
| 1972 | 71° | 44° | 58° | — | — |
| 1971 | 54° | 45° | 49° | 0.71" | — |
55 years of data from PORTLAND KGW-TV