Weather on September 6
Hillsboro, OR
55 Years of Data
Avg High
79°F
Avg Low
50°F
Warmest
2024
75°F avg
Coldest
2015
53°F avg
About This Date
September 6th in Hillsboro, OR typically brings pleasant fall weather, with average highs around 79°F and lows near 50°F — a 29°F daily swing. Over 55 years of records, the warmest September 6th was in 2024 (75°F average), while the coldest was 2015 (53°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 6th dates historically, with the wettest September 6th recording 1.65" of rain. The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
Planning for September 6th in Hillsboro, OR? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 62° | 67° | — | — |
| 2024warmest | 93° | 57° | 75° | — | — |
| 2023 | 76° | 45° | 60° | — | — |
| 2022 | 94° | 48° | 71° | — | — |
| 2021 | 84° | 54° | 69° | — | — |
| 2020 | 92° | 49° | 70° | — | — |
| 2019 | 81° | 58° | 69° | — | — |
| 2018 | 88° | 51° | 69° | — | — |
| 2017 | 82° | 59° | 71° | — | — |
| 2016 | 71° | 56° | 63° | 0.71" | — |
| 2015coldest | 63° | 43° | 53° | 0.05" | — |
| 2014 | 95° | 49° | 72° | — | — |
| 2013 | 70° | 55° | 62° | 1.65" | — |
| 2012 | 88° | 50° | 69° | — | — |
| 2011 | 92° | 48° | 70° | — | — |
| 2010 | 72° | 40° | 56° | — | — |
| 2009 | 65° | 56° | 60° | 1.57" | — |
| 2008 | 81° | 48° | 64° | — | — |
| 2007 | 76° | 54° | 65° | — | — |
| 2006 | 90° | 51° | 70° | — | — |
| 2005 | 82° | 45° | 63° | — | — |
| 2004 | 79° | 45° | 62° | — | — |
| 2003 | 79° | 54° | 66° | — | — |
| 2002 | 70° | 40° | 55° | 0.05" | — |
| 2001 | 65° | 44° | 54° | — | — |
| 2000 | 71° | 51° | 61° | 0.1" | — |
| 1999 | 72° | 48° | 60° | — | — |
| 1998 | 91° | 52° | 71° | — | — |
| 1997 | 76° | 48° | 62° | — | — |
| 1996 | 73° | 47° | 60° | — | — |
| 1995 | 64° | 53° | 59° | 0.86" | — |
| 1994 | 85° | 49° | 67° | — | — |
| 1993 | 79° | 54° | 66° | — | — |
| 1992 | 70° | 42° | 56° | — | — |
| 1991 | 92° | 53° | 72° | — | — |
| 1990 | 84° | 55° | 70° | — | — |
| 1989 | 75° | 47° | 61° | — | — |
| 1988 | 83° | 48° | 65° | — | — |
| 1987 | 93° | 52° | 72° | — | — |
| 1986 | 92° | 54° | 73° | — | — |
| 1985 | 72° | 53° | 62° | — | — |
| 1984 | 67° | 46° | 56° | 1.52" | — |
| 1983 | 73° | 45° | 59° | — | — |
| 1982 | 82° | 49° | 65° | — | — |
| 1981 | 79° | 47° | 63° | — | — |
| 1980 | 87° | 47° | 67° | — | — |
| 1979 | 66° | 54° | 60° | 0.15" | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 78° | 45° | 61° | — | — |
| 1976 | 69° | 43° | 56° | 0.2" | — |
| 1975 | 88° | 49° | 68° | — | — |
| 1974 | 82° | 51° | 67° | — | — |
| 1973 | 70° | 59° | 64° | 0.53" | — |
| 1972 | 69° | 54° | 61° | 0.1" | — |
| 1971 | 70° | 42° | 56° | 0.18" | — |
55 years of data from HILLSBORO