Weather on September 21
Gresham, OR
55 Years of Data
About This Date
September 21st in Gresham, OR typically brings pleasant fall weather, with average highs around 75°F and lows near 51°F. Over 53 years of records, the warmest September 21st was in 1974 (81°F average), while the coldest was 1993 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 28% of September 21st dates historically, with the wettest September 21st recording 1.37" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 21st in Gresham, OR? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 56° | 64° | 0.91" | — |
| 2024 | 79° | 46° | 62° | — | — |
| 2023 | 76° | 44° | 60° | — | — |
| 2022 | 77° | 50° | 64° | — | — |
| 2021 | 83° | 55° | 69° | — | — |
| 2020 | 76° | 51° | 63° | — | — |
| 2019 | 73° | 55° | 64° | — | — |
| 2018 | 75° | 46° | 61° | 0.15" | — |
| 2017 | 64° | 49° | 56° | 0.03" | — |
| 2016 | 74° | 49° | 61° | — | — |
| 2015 | 70° | 50° | 60° | 0.08" | — |
| 2014 | 88° | 63° | 75° | — | — |
| 2013 | 68° | 57° | 63° | 0.89" | — |
| 2012 | 65° | 57° | 61° | — | — |
| 2011 | 86° | 52° | 69° | — | — |
| 2010 | 69° | 50° | 60° | — | — |
| 2009 | 80° | 49° | 64° | — | — |
| 2008 | 62° | 54° | 58° | 1.17" | — |
| 2007 | 74° | 43° | 58° | — | — |
| 2006 | 62° | 50° | 56° | 0.05" | — |
| 2005 | 75° | 40° | 57° | — | — |
| 2004 | 68° | 45° | 56° | — | — |
| 2003 | 80° | 45° | 62° | 0.03" | — |
| 2002 | 80° | 41° | 61° | — | — |
| 2001 | 77° | 46° | 62° | — | — |
| 2000 | 70° | 57° | 63° | 0.56" | — |
| 1999 | 89° | 47° | 68° | — | — |
| 1998 | 82° | 46° | 64° | — | — |
| 1997 | 86° | 50° | 68° | — | — |
| 1996 | — | 47° | — | — | — |
| 1994 | 87° | 55° | 71° | — | — |
| 1993coldest | 65° | 41° | 53° | — | — |
| 1992 | 76° | 57° | 66° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 87° | 53° | 70° | — | — |
| 1989 | 87° | 55° | 71° | — | — |
| 1988 | 68° | 40° | 54° | 0.08" | — |
| 1987 | 86° | 47° | 66° | — | — |
| 1986 | 65° | 52° | 58° | 0.05" | — |
| 1985 | 75° | 46° | 61° | — | — |
| 1984 | 71° | 51° | 61° | — | — |
| 1983 | 70° | 53° | 61° | — | — |
| 1982 | 62° | 49° | 55° | — | — |
| 1981 | — | 51° | — | 0.89" | — |
| 1979 | 79° | 55° | 67° | — | — |
| 1978 | 68° | 51° | 60° | 0.03" | — |
| 1977 | 68° | 52° | 60° | 0.84" | — |
| 1976 | 87° | 57° | 72° | — | — |
| 1975 | 83° | 60° | 71° | — | — |
| 1974warmest | 91° | 71° | 81° | — | — |
| 1973 | 68° | 56° | 62° | 1.37" | — |
| 1972 | 65° | 55° | 60° | — | — |
| 1971 | 74° | 42° | 58° | — | — |
Gresham, OR Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Gresham, OR Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Gresham, OR Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Gresham, OR
Gresham, OR has no months that meet our "pleasant" threshold — every season has tradeoffs.