Weather on September 4
Seattle, WA
55 Years of Data
Avg High
73°F
Avg Low
56°F
Warmest
2003
74°F avg
Coldest
1992
58°F avg
About This Date
September 4th 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 4th was in 2003 (74°F average), while the coldest was 1992 (58°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 4th dates historically, with the wettest September 4th recording 1.98" of rain. The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.2°F warmer on this date compared to 20-30 years ago.
Planning for September 4th in Seattle, WA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 60° | 68° | — | — |
| 2024 | 79° | 58° | 68° | — | — |
| 2023 | 66° | 54° | 60° | — | — |
| 2022 | 77° | 57° | 67° | — | — |
| 2021 | 79° | 53° | 66° | — | — |
| 2020 | 84° | 59° | 72° | — | — |
| 2019 | 75° | 60° | 68° | — | — |
| 2018 | 74° | 53° | 63° | — | — |
| 2017 | 86° | 61° | 73° | — | — |
| 2016 | 68° | 53° | 61° | — | — |
| 2015 | 66° | 54° | 60° | — | — |
| 2014 | 74° | 53° | 63° | — | — |
| 2013 | 72° | 63° | 67° | — | — |
| 2012 | 74° | 52° | 63° | — | — |
| 2011 | 83° | 51° | 67° | — | — |
| 2010 | 67° | 54° | 60° | 0.05" | — |
| 2009 | 77° | 58° | 67° | — | — |
| 2008 | 72° | 56° | 64° | — | — |
| 2007 | 68° | 59° | 64° | 1.83" | — |
| 2006 | 79° | 57° | 68° | — | — |
| 2005 | 67° | 56° | 61° | 0.41" | — |
| 2004 | 68° | 53° | 61° | — | — |
| 2003warmest | 86° | 63° | 74° | — | — |
| 2002 | 71° | 47° | 59° | — | — |
| 2001 | 66° | 56° | 61° | — | — |
| 2000 | 70° | 50° | 60° | — | — |
| 1999 | 73° | 52° | 62° | — | — |
| 1997 | 77° | 56° | 66° | — | — |
| 1996 | 64° | 51° | 58° | 0.2" | — |
| 1995 | 73° | 59° | 66° | 0.3" | — |
| 1994 | 74° | 55° | 64° | — | — |
| 1993 | 71° | 57° | 64° | — | — |
| 1992coldest | 65° | 52° | 58° | 1.98" | — |
| 1991 | 81° | 56° | 68° | — | — |
| 1990 | 76° | 56° | 66° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 74° | 56° | 65° | — | — |
| 1987 | 72° | 53° | 62° | — | — |
| 1986 | 80° | 57° | 69° | — | — |
| 1985 | 65° | 55° | 60° | — | — |
| 1984 | 69° | 56° | 62° | 0.08" | — |
| 1983 | 69° | 59° | 64° | — | — |
| 1982 | 71° | 60° | 66° | — | — |
| 1981 | 72° | 57° | 64° | 0.1" | — |
| 1980 | 79° | 53° | 66° | — | — |
| 1979 | 68° | 56° | 62° | 0.18" | — |
| 1978 | 63° | 55° | 59° | 1.4" | — |
| 1977 | 73° | 59° | 66° | 1.12" | — |
| 1976 | 72° | 56° | 64° | — | — |
| 1975 | 73° | 51° | 62° | — | — |
| 1974 | 67° | 61° | 64° | 0.03" | — |
| 1973 | 78° | 52° | 65° | — | — |
| 1972 | 75° | 55° | 65° | — | — |
| 1971 | 78° | 55° | 67° | — | — |
54 years of data from SEATTLE URBAN SITE