Weather on September 5
Seattle, WA
55 Years of Data
Avg High
73°F
Avg Low
56°F
Warmest
2017
76°F avg
Coldest
1992
56°F avg
About This Date
September 5th 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 5th was in 2017 (76°F average), while the coldest was 1992 (56°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 5th dates historically, with the wettest September 5th recording 2.21" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for September 5th 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 | 78° | 60° | 69° | — | — |
| 2024 | 89° | 61° | 75° | — | — |
| 2023 | 70° | 54° | 62° | — | — |
| 2022 | 74° | 56° | 65° | — | — |
| 2021 | 79° | 63° | 71° | — | — |
| 2020 | 74° | 60° | 67° | — | — |
| 2019 | 79° | 59° | 69° | — | — |
| 2018 | 79° | 57° | 68° | — | — |
| 2017warmest | 84° | 68° | 76° | — | — |
| 2016 | 68° | 55° | 62° | — | — |
| 2015 | 69° | 49° | 59° | 0.15" | — |
| 2014 | 83° | 60° | 71° | — | — |
| 2013 | 69° | 62° | 66° | 2.21" | — |
| 2012 | 77° | 53° | 65° | — | — |
| 2011 | 80° | 53° | 67° | — | — |
| 2010 | 67° | 53° | 60° | — | — |
| 2009 | 69° | 59° | 64° | 0.86" | — |
| 2008 | 73° | 54° | 63° | — | — |
| 2007 | 74° | 61° | 67° | — | — |
| 2006 | 78° | 62° | 70° | — | — |
| 2005 | 70° | 51° | 60° | 0.03" | — |
| 2004 | 71° | 57° | 64° | — | — |
| 2003 | 85° | 59° | 72° | — | — |
| 2002 | 72° | 46° | 59° | — | — |
| 2001 | 66° | 53° | 60° | — | — |
| 2000 | 65° | 48° | 56° | — | — |
| 1999 | 70° | 58° | 64° | 0.03" | — |
| 1997 | 72° | 57° | 64° | — | — |
| 1996 | 68° | 53° | 61° | 0.25" | — |
| 1995 | 72° | 56° | 64° | 0.08" | — |
| 1994 | 77° | 51° | 64° | — | — |
| 1993 | 69° | 56° | 62° | — | — |
| 1992coldest | 64° | 49° | 56° | — | — |
| 1991 | 82° | 54° | 68° | — | — |
| 1990 | 78° | 56° | 67° | — | — |
| 1989 | 70° | 54° | 62° | — | — |
| 1988 | 62° | 57° | 60° | — | — |
| 1987 | 78° | 55° | 67° | — | — |
| 1986 | 80° | 58° | 69° | — | — |
| 1985 | 67° | 59° | 63° | — | — |
| 1984 | 62° | 54° | 58° | 2.11" | — |
| 1983 | 69° | 55° | 62° | — | — |
| 1982 | 74° | 57° | 65° | — | — |
| 1981 | 71° | 54° | 62° | — | — |
| 1980 | 80° | 54° | 67° | — | — |
| 1979 | 66° | 59° | 63° | 0.66" | — |
| 1978 | 62° | 54° | 58° | 0.28" | — |
| 1977 | 70° | 54° | 62° | — | — |
| 1976 | 65° | 54° | 59° | 1.6" | — |
| 1975 | 76° | 55° | 65° | — | — |
| 1974 | 74° | 60° | 67° | — | — |
| 1973 | 87° | 56° | 71° | — | — |
| 1972 | 62° | 54° | 58° | 0.1" | — |
| 1971 | 64° | 57° | 61° | 1.09" | — |
54 years of data from SEATTLE URBAN SITE