Weather on September 12
Gresham, OR
55 Years of Data
Avg High
77°F
Avg Low
52°F
Warmest
1999
77°F avg
Coldest
1982
56°F avg
About This Date
September 12th in Gresham, OR typically brings pleasant fall weather, with average highs around 77°F and lows near 52°F — a 25°F daily swing. Over 52 years of records, the warmest September 12th was in 1999 (77°F average), while the coldest was 1982 (56°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 12% of September 12th dates historically, with the wettest September 12th recording 0.69" 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 12th in Gresham, OR? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 54° | 63° | — | — |
| 2024 | 71° | 59° | 65° | 0.1" | — |
| 2023 | 81° | 54° | 67° | — | — |
| 2022 | 76° | 63° | 69° | 0.03" | — |
| 2021 | 76° | 56° | 66° | — | — |
| 2020 | 65° | 49° | 57° | — | — |
| 2019 | 83° | 50° | 66° | — | — |
| 2018 | 67° | 52° | 59° | 0.69" | — |
| 2017 | 88° | 53° | 70° | — | — |
| 2016 | 80° | 46° | 63° | — | — |
| 2015 | 89° | 56° | 72° | — | — |
| 2014 | 82° | 62° | 72° | — | — |
| 2013 | 83° | 60° | 71° | — | — |
| 2012 | 81° | 44° | 62° | — | — |
| 2011 | 77° | 55° | 66° | — | — |
| 2010 | 77° | 46° | 62° | — | — |
| 2009 | 88° | 59° | 73° | — | — |
| 2008 | 83° | 47° | 65° | — | — |
| 2007 | 76° | 54° | 65° | — | — |
| 2006 | 82° | 48° | 65° | — | — |
| 2005 | 75° | 48° | 62° | — | — |
| 2004 | 69° | 56° | 62° | — | — |
| 2003 | 71° | 51° | 61° | — | — |
| 2002 | 88° | 52° | 70° | — | — |
| 2001 | 85° | 53° | 69° | — | — |
| 2000 | 83° | 52° | 67° | — | — |
| 1999warmest | 88° | 66° | 77° | — | — |
| 1998 | 83° | 52° | 67° | — | — |
| 1997 | 68° | 54° | 61° | — | — |
| 1996 | 65° | 59° | 62° | — | — |
| 1994 | 69° | 46° | 58° | — | — |
| 1993 | 70° | 52° | 61° | — | — |
| 1992 | 76° | 50° | 63° | — | — |
| 1991 | 80° | 50° | 65° | — | — |
| 1989 | 86° | 50° | 68° | — | — |
| 1988 | 81° | 44° | 62° | — | — |
| 1987 | 65° | 53° | 59° | — | — |
| 1986 | 73° | 42° | 58° | — | — |
| 1985 | 67° | 50° | 58° | 0.1" | — |
| 1984 | 65° | 48° | 56° | 0.56" | — |
| 1983 | 76° | 50° | 63° | — | — |
| 1982coldest | 60° | 52° | 56° | — | — |
| 1981 | 85° | 50° | 67° | — | — |
| 1980 | 75° | 54° | 64° | 0.18" | — |
| 1979 | 82° | 49° | 65° | — | — |
| 1978 | 70° | 51° | 60° | — | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | 70° | 58° | 64° | — | — |
| 1975 | 90° | 57° | 73° | — | — |
| 1974 | 80° | 48° | 64° | — | — |
| 1973 | 80° | 55° | 68° | — | — |
| 1971 | 74° | 47° | 60° | — | — |
52 years of data from PORTLAND TROUTDALE AP