Weather on September 6
Seattle, WA
55 Years of Data
Avg High
73°F
Avg Low
56°F
Warmest
1986
75°F avg
Coldest
1992
55°F avg
About This Date
September 6th in Seattle, WA typically brings pleasant fall weather, with average highs around 73°F and lows near 56°F. Over 54 years of records, the warmest September 6th was in 1986 (75°F average), while the coldest was 1992 (55°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 6th dates historically, with the wettest September 6th recording 2.16" of rain. The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
Planning for September 6th in Seattle, WA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 59° | 66° | — | — |
| 2024 | 85° | 64° | 74° | — | — |
| 2023 | 75° | 53° | 64° | — | — |
| 2022 | 76° | 54° | 65° | — | — |
| 2021 | 74° | 60° | 67° | — | — |
| 2020 | 79° | 57° | 68° | — | — |
| 2019 | 80° | 62° | 71° | — | — |
| 2018 | 85° | 55° | 70° | — | — |
| 2017 | 82° | 65° | 73° | — | — |
| 2016 | 68° | 55° | 62° | — | — |
| 2015 | 63° | 56° | 59° | 0.48" | — |
| 2014 | 88° | 60° | 74° | — | — |
| 2013 | 73° | 62° | 68° | 1.73" | — |
| 2012 | 79° | 59° | 69° | — | — |
| 2011 | 81° | 56° | 68° | — | — |
| 2010 | 63° | 53° | 58° | 0.3" | — |
| 2009 | 63° | 54° | 58° | 2.16" | — |
| 2008 | 71° | 57° | 64° | — | — |
| 2007 | 71° | 59° | 65° | — | — |
| 2006 | 81° | 55° | 68° | — | — |
| 2005 | 72° | 53° | 62° | — | — |
| 2004 | 69° | 53° | 61° | — | — |
| 2003 | 78° | 57° | 68° | — | — |
| 2002 | 70° | 48° | 59° | 0.1" | — |
| 2001 | 65° | 50° | 57° | — | — |
| 2000 | 69° | 55° | 62° | — | — |
| 1999 | 67° | 56° | 61° | — | — |
| 1997 | 72° | 56° | 64° | — | — |
| 1996 | 66° | 54° | 60° | — | — |
| 1995 | 67° | 55° | 61° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 80° | 56° | 68° | — | — |
| 1992coldest | 64° | 47° | 55° | — | — |
| 1991 | 77° | 57° | 67° | — | — |
| 1990 | 77° | 56° | 66° | — | — |
| 1989 | 74° | 56° | 65° | — | — |
| 1988 | 71° | 57° | 64° | — | — |
| 1987 | 78° | 56° | 67° | — | — |
| 1986warmest | 90° | 61° | 75° | — | — |
| 1985 | 62° | 53° | 58° | 0.08" | — |
| 1984 | 66° | 54° | 60° | — | — |
| 1983 | 66° | 53° | 60° | — | — |
| 1982 | 80° | 55° | 68° | — | — |
| 1981 | 79° | 53° | 66° | — | — |
| 1980 | 73° | 55° | 64° | 0.46" | — |
| 1979 | 70° | 57° | 63° | — | — |
| 1978 | 67° | 54° | 60° | 0.23" | — |
| 1977 | 69° | 51° | 60° | — | — |
| 1976 | 64° | 53° | 59° | 0.08" | — |
| 1975 | 81° | 55° | 68° | — | — |
| 1974 | 74° | 60° | 67° | — | — |
| 1973 | 68° | 58° | 63° | 0.23" | — |
| 1972 | 63° | 54° | 58° | — | — |
| 1971 | 65° | 54° | 59° | 0.61" | — |
54 years of data from SEATTLE URBAN SITE