Weather on September 17
Gresham, OR
55 Years of Data
Avg High
74°F
Avg Low
51°F
Warmest
1994
75°F avg
Coldest
1989
55°F avg
About This Date
September 17th in Gresham, OR typically brings pleasant fall weather, with average highs around 74°F and lows near 51°F. Over 53 years of records, the warmest September 17th was in 1994 (75°F average), while the coldest was 1989 (55°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 42% of September 17th dates historically, with the wettest September 17th recording 3.63" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for September 17th in Gresham, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 55° | 69° | — | — |
| 2024 | 65° | 51° | 58° | 0.03" | — |
| 2023 | 77° | 51° | 64° | — | — |
| 2022 | 74° | 50° | 62° | 0.18" | — |
| 2021 | 81° | 51° | 66° | 0.38" | — |
| 2020 | 75° | 51° | 63° | — | — |
| 2019 | 67° | 55° | 61° | 0.48" | — |
| 2018 | 70° | 48° | 59° | — | — |
| 2017 | 68° | 53° | 61° | 0.79" | — |
| 2016 | 63° | 56° | 59° | 3.63" | — |
| 2015 | 72° | 54° | 63° | 1.6" | — |
| 2014 | 77° | 57° | 67° | — | — |
| 2013 | 69° | 55° | 62° | 0.1" | — |
| 2012 | 89° | 46° | 68° | — | — |
| 2011 | 61° | 50° | 55° | 0.23" | — |
| 2010 | 70° | 62° | 66° | 0.86" | — |
| 2009 | 72° | 53° | 62° | — | — |
| 2008 | 81° | 53° | 67° | — | — |
| 2007 | 65° | 53° | 59° | 0.03" | — |
| 2006 | 73° | 50° | 62° | — | — |
| 2005 | 68° | 48° | 58° | — | — |
| 2004 | 63° | 51° | 57° | 3.23" | — |
| 2003 | 66° | 50° | 58° | — | — |
| 2002 | 70° | 51° | 60° | 0.41" | — |
| 2001 | 72° | 53° | 62° | — | — |
| 2000 | 75° | 54° | 64° | — | — |
| 1999 | 78° | 46° | 62° | — | — |
| 1998 | 77° | 51° | 64° | 0.03" | — |
| 1997 | 62° | 53° | 58° | 0.89" | — |
| 1996 | 68° | 51° | 60° | 1.27" | — |
| 1994warmest | 89° | 61° | 75° | — | — |
| 1993 | 79° | 46° | 62° | — | — |
| 1992 | 75° | 43° | 59° | — | — |
| 1991 | 91° | — | — | — | — |
| 1990 | 79° | 52° | 65° | — | — |
| 1989coldest | 75° | 36° | 55° | — | — |
| 1988 | 70° | 46° | 58° | 0.13" | — |
| 1987 | 72° | 40° | 56° | — | — |
| 1986 | 71° | 49° | 60° | 0.05" | — |
| 1985 | 63° | 49° | 56° | 0.81" | — |
| 1984 | 84° | 50° | 67° | — | — |
| 1982 | 81° | 45° | 63° | — | — |
| 1981 | 87° | 54° | 70° | — | — |
| 1980 | 84° | 50° | 67° | — | — |
| 1979 | 77° | 48° | 63° | — | — |
| 1978 | 68° | 44° | 56° | 0.18" | — |
| 1977 | 65° | 51° | 58° | 0.2" | — |
| 1976 | 69° | 55° | 62° | — | — |
| 1975 | 68° | 51° | 60° | — | — |
| 1974 | 85° | 48° | 66° | — | — |
| 1973 | 77° | 52° | 64° | — | — |
| 1972 | 71° | 52° | 61° | 0.05" | — |
| 1971 | 75° | 58° | 66° | — | — |
53 years of data from PORTLAND TROUTDALE AP