Weather on September 19
Seattle, WA
55 Years of Data
About This Date
September 19th in Seattle, WA typically brings mild fall weather, with average highs around 69°F and lows near 53°F. Over 55 years of records, the warmest September 19th was in 2014 (71°F average), while the coldest was 1972 (52°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 19th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 19th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 65° | 51° | 58° | — | — |
| 2025 | 74° | 53° | 63° | — | — |
| 2024 | 71° | 54° | 62° | — | — |
| 2023 | 67° | 53° | 60° | — | — |
| 2022 | 74° | 48° | 61° | — | — |
| 2021 | 65° | 52° | 58° | — | — |
| 2020 | 73° | 61° | 67° | 0.01" | — |
| 2019 | 71° | 52° | 61° | — | — |
| 2018 | 68° | 47° | 57° | 0.04" | — |
| 2017 | 61° | 50° | 55° | 0.27" | — |
| 2016 | 71° | 54° | 62° | 0.01" | — |
| 2015 | 74° | 60° | 67° | — | — |
| 2014warmest | 78° | 65° | 71° | — | — |
| 2013 | 79° | 50° | 64° | — | — |
| 2012 | 72° | 53° | 62° | — | — |
| 2011 | 69° | 54° | 61° | 0.04" | — |
| 2010 | 69° | 61° | 65° | 0.48" | — |
| 2009 | 64° | 57° | 61° | 0.41" | — |
| 2008 | 61° | 56° | 58° | — | — |
| 2007 | 64° | 50° | 57° | — | — |
| 2006 | 61° | 52° | 56° | 0.28" | — |
| 2005 | 69° | 51° | 60° | — | — |
| 2004 | 61° | 48° | 54° | 0.01" | — |
| 2003 | 64° | 55° | 60° | 0.19" | — |
| 2002 | 71° | 52° | 61° | 0.01" | — |
| 2001 | 66° | 55° | 61° | — | — |
| 2000 | 71° | 58° | 64° | 0.06" | — |
| 1999 | 82° | 55° | 69° | — | — |
| 1997 | 70° | 49° | 59° | — | — |
| 1996 | 59° | 52° | 55° | 0.13" | — |
| 1995 | 75° | 55° | 65° | — | — |
| 1994 | 78° | 54° | 66° | — | — |
| 1993 | 65° | 50° | 57° | — | — |
| 1992 | 70° | 52° | 61° | — | — |
| 1991 | 72° | 55° | 63° | — | — |
| 1990 | 69° | 55° | 62° | — | — |
| 1989 | 67° | 47° | 57° | — | — |
| 1988 | 62° | 52° | 57° | 0.06" | — |
| 1987 | 76° | 49° | 62° | — | — |
| 1986 | 69° | 51° | 60° | — | — |
| 1985 | 64° | 50° | 57° | — | — |
| 1984 | 68° | 54° | 61° | — | — |
| 1983 | 63° | 45° | 54° | — | — |
| 1982 | 69° | 58° | 63° | — | — |
| 1981 | 66° | 53° | 60° | 0.34" | — |
| 1980 | 62° | 56° | 59° | 0.17" | — |
| 1979 | 69° | 62° | 66° | — | — |
| 1978 | 66° | 47° | 56° | — | — |
| 1977 | 65° | 57° | 61° | 0.25" | — |
| 1976 | 73° | 56° | 64° | — | — |
| 1975 | 78° | 49° | 63° | — | — |
| 1974 | 79° | 58° | 68° | — | — |
| 1973 | 62° | 54° | 58° | 0.29" | — |
| 1972coldest | 56° | 48° | 52° | 0.13" | — |
| 1971 | 73° | 52° | 62° | — | — |
Seattle, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Seattle, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Seattle, WA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Seattle, WA
Most pleasant months in Seattle, WA: May, June, July, August, September.
What to expect on September 19th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 19th outlook →