Weather on September 3
Seattle, WA
55 Years of Data
Avg High
74°F
Avg Low
56°F
Warmest
2017
76°F avg
Coldest
1996
58°F avg
About This Date
September 3rd in Seattle, WA typically brings pleasant fall weather, with average highs around 74°F and lows near 56°F. Over 54 years of records, the warmest September 3rd was in 2017 (76°F average), while the coldest was 1996 (58°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 3rd dates historically, with the wettest September 3rd recording 1.73" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in Seattle, WA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 61° | 71° | — | — |
| 2024 | 73° | 62° | 68° | — | — |
| 2023 | 70° | 57° | 63° | — | — |
| 2022 | 75° | 58° | 66° | — | — |
| 2021 | 77° | 50° | 64° | — | — |
| 2020 | 81° | 58° | 69° | — | — |
| 2019 | 82° | 60° | 71° | — | — |
| 2018 | 74° | 59° | 66° | — | — |
| 2017warmest | 87° | 64° | 76° | — | — |
| 2016 | 67° | 55° | 61° | — | — |
| 2015 | 69° | 54° | 61° | — | — |
| 2014 | 72° | 57° | 64° | — | — |
| 2013 | 76° | 64° | 70° | 0.3" | — |
| 2012 | 71° | 55° | 63° | — | — |
| 2011 | 77° | 55° | 66° | — | — |
| 2010 | 83° | 56° | 69° | — | — |
| 2009 | 73° | 58° | 65° | 0.23" | — |
| 2008 | 69° | 53° | 61° | — | — |
| 2007 | 77° | 59° | 68° | 0.13" | — |
| 2006 | 82° | 56° | 69° | — | — |
| 2005 | 73° | 56° | 64° | — | — |
| 2004 | 70° | 56° | 63° | — | — |
| 2003 | 87° | 60° | 74° | — | — |
| 2002 | 68° | 52° | 60° | — | — |
| 2001 | 67° | 57° | 62° | 0.1" | — |
| 2000 | 68° | 52° | 60° | 0.08" | — |
| 1999 | 75° | 48° | 62° | — | — |
| 1997 | 73° | 59° | 66° | — | — |
| 1996coldest | 65° | 52° | 58° | 1.73" | — |
| 1995 | 79° | 56° | 67° | — | — |
| 1994 | 65° | 57° | 61° | 0.76" | — |
| 1993 | 82° | 59° | 71° | — | — |
| 1992 | 70° | 54° | 62° | 1.6" | — |
| 1991 | 75° | 56° | 65° | — | — |
| 1990 | 71° | 52° | 61° | — | — |
| 1989 | 72° | 52° | 62° | — | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 71° | 54° | 62° | — | — |
| 1986 | 76° | 60° | 68° | — | — |
| 1985 | 66° | 55° | 61° | — | — |
| 1984 | 79° | 53° | 66° | — | — |
| 1983 | 68° | 60° | 64° | 0.1" | — |
| 1982 | 66° | 60° | 63° | 0.3" | — |
| 1981 | 73° | 53° | 63° | — | — |
| 1980 | 70° | 53° | 61° | — | — |
| 1979 | 68° | 58° | 63° | 0.2" | — |
| 1978 | 63° | 56° | 59° | 0.36" | — |
| 1977 | 70° | 59° | 64° | 0.25" | — |
| 1976 | 71° | 52° | 61° | — | — |
| 1975 | 69° | 51° | 60° | — | — |
| 1974 | 76° | 60° | 68° | — | — |
| 1973 | 73° | 50° | 62° | — | — |
| 1972 | 82° | 56° | 69° | — | — |
| 1971 | 70° | 57° | 63° | — | — |
54 years of data from SEATTLE URBAN SITE