Weather on September 2
Hillsboro, OR
55 Years of Data
Avg High
80°F
Avg Low
51°F
Warmest
2017
77°F avg
Coldest
1984
56°F avg
About This Date
September 2nd in Hillsboro, OR typically brings warm fall weather, with average highs around 80°F and lows near 51°F — a 29°F daily swing. Over 55 years of records, the warmest September 2nd was in 2017 (77°F average), while the coldest was 1984 (56°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 2nd dates historically, with the wettest September 2nd recording 1.37" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for September 2nd in Hillsboro, OR? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 56° | 73° | — | — |
| 2024 | 68° | 59° | 64° | — | — |
| 2023 | 88° | 57° | 72° | 1.24" | — |
| 2022 | 91° | 54° | 72° | — | — |
| 2021 | 85° | 46° | 65° | — | — |
| 2020 | 93° | 54° | 73° | — | — |
| 2019 | 83° | 54° | 68° | — | — |
| 2018 | 83° | 44° | 63° | — | — |
| 2017warmest | 100° | 54° | 77° | — | — |
| 2016 | 68° | 48° | 58° | 0.13" | — |
| 2015 | 72° | 50° | 61° | 0.03" | — |
| 2014 | 76° | 52° | 64° | — | — |
| 2013 | 80° | 61° | 70° | 0.03" | — |
| 2012 | 77° | 40° | 58° | — | — |
| 2011 | 77° | 48° | 63° | — | — |
| 2010 | 87° | 46° | 67° | — | — |
| 2009 | 84° | 48° | 66° | 0.03" | — |
| 2008 | 76° | 41° | 58° | — | — |
| 2007 | 82° | 46° | 64° | — | — |
| 2006 | 97° | 50° | 73° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 69° | 48° | 59° | 0.1" | — |
| 2003 | 95° | 49° | 72° | — | — |
| 2002 | 83° | 48° | 65° | — | — |
| 2001 | 72° | 48° | 60° | — | — |
| 2000 | 62° | 50° | 56° | 1.17" | — |
| 1999 | 79° | 42° | 60° | — | — |
| 1998 | 92° | 60° | 76° | — | — |
| 1997 | 82° | 56° | 69° | — | — |
| 1996 | 73° | 48° | 61° | — | — |
| 1995 | 76° | 58° | 67° | 0.03" | — |
| 1994 | 73° | 45° | 59° | 0.53" | — |
| 1993 | 78° | 51° | 65° | — | — |
| 1992 | 83° | 49° | 66° | — | — |
| 1991 | 72° | 48° | 60° | — | — |
| 1990 | 77° | 53° | 65° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 97° | 51° | 74° | — | — |
| 1987 | 95° | 52° | 73° | — | — |
| 1986 | 83° | 53° | 68° | — | — |
| 1985 | 69° | 49° | 59° | — | — |
| 1984coldest | 73° | 40° | 56° | — | — |
| 1983 | 72° | 55° | 63° | 0.18" | — |
| 1982 | 87° | 54° | 70° | — | — |
| 1981 | 78° | 48° | 63° | — | — |
| 1980 | 72° | 45° | 58° | 1.04" | — |
| 1979 | 68° | 60° | 64° | 1.37" | — |
| 1978 | 80° | 60° | 70° | 0.03" | — |
| 1977 | 70° | 52° | 61° | — | — |
| 1976 | 78° | 46° | 62° | — | — |
| 1975 | 71° | 52° | 61° | — | — |
| 1974 | 90° | 56° | 73° | — | — |
| 1973 | 84° | 41° | 63° | — | — |
| 1972 | 93° | 49° | 71° | — | — |
| 1971 | 69° | 54° | 61° | 0.58" | — |
55 years of data from HILLSBORO