Weather on September 1
Gresham, OR
55 Years of Data
Avg High
80°F
Avg Low
53°F
Warmest
1987
80°F avg
Coldest
1989
56°F avg
About This Date
September 1st in Gresham, OR typically brings warm fall weather, with average highs around 80°F and lows near 53°F — a 27°F daily swing. Over 51 years of records, the warmest September 1st was in 1987 (80°F average), while the coldest was 1989 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 1st dates historically, with the wettest September 1st recording 2.9" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Gresham, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 60° | 69° | — | — |
| 2024 | 88° | 60° | 74° | — | — |
| 2023 | 83° | 63° | 73° | — | — |
| 2022 | 93° | 58° | 75° | — | — |
| 2021 | 80° | 45° | 62° | — | — |
| 2020 | 89° | 53° | 71° | — | — |
| 2019 | 84° | 65° | 74° | — | — |
| 2018 | 74° | 48° | 61° | — | — |
| 2017 | 93° | 54° | 73° | — | — |
| 2016 | 70° | 59° | 64° | 0.05" | — |
| 2015 | 78° | 58° | 68° | 0.43" | — |
| 2014 | 81° | 52° | 66° | — | — |
| 2013 | 84° | 58° | 71° | — | — |
| 2012 | 76° | 48° | 62° | — | — |
| 2011 | 78° | 51° | 65° | — | — |
| 2010 | 73° | 53° | 63° | 0.28" | — |
| 2009 | 75° | 56° | 65° | 0.1" | — |
| 2008 | 68° | 50° | 59° | — | — |
| 2007 | 82° | 49° | 65° | — | — |
| 2006 | 88° | 66° | 77° | — | — |
| 2005 | 85° | 52° | 68° | — | — |
| 2004 | 74° | 55° | 64° | — | — |
| 2003 | 86° | 49° | 67° | — | — |
| 2002 | 80° | 55° | 68° | — | — |
| 2001 | 73° | 60° | 67° | — | — |
| 2000 | 71° | 48° | 60° | 0.23" | — |
| 1999 | 78° | 44° | 61° | — | — |
| 1998 | 94° | 55° | 74° | — | — |
| 1997 | 78° | 57° | 68° | — | — |
| 1996 | 77° | 54° | 65° | — | — |
| 1994 | 86° | 50° | 68° | — | — |
| 1993 | 87° | 53° | 70° | — | — |
| 1992 | 75° | 53° | 64° | 0.05" | — |
| 1991 | 76° | 50° | 63° | — | — |
| 1990 | 80° | 52° | 66° | — | — |
| 1989coldest | 75° | 37° | 56° | 0.51" | — |
| 1988 | 90° | 45° | 67° | — | — |
| 1987warmest | 103° | 58° | 80° | — | — |
| 1983 | 76° | 57° | 66° | 0.79" | — |
| 1982 | 78° | 53° | 66° | — | — |
| 1981 | 77° | 55° | 66° | 0.28" | — |
| 1980 | 69° | 47° | 58° | — | — |
| 1979 | 80° | 59° | 70° | 0.03" | — |
| 1978 | 73° | 60° | 67° | 0.03" | — |
| 1977 | 75° | 45° | 60° | — | — |
| 1976 | 87° | 57° | 72° | — | — |
| 1975 | 72° | 49° | 60° | — | — |
| 1974 | 80° | 60° | 70° | — | — |
| 1973 | 71° | 42° | 57° | — | — |
| 1972 | 87° | 53° | 70° | — | — |
| 1971 | 64° | 54° | 59° | 2.9" | — |
51 years of data from PORTLAND TROUTDALE AP