Weather on September 20
Tacoma, WA
55 Years of Data
Avg High
69°F
Avg Low
52°F
Warmest
1974
71°F avg
Coldest
1983
53°F avg
About This Date
September 20th in Tacoma, WA typically brings mild fall weather, with average highs around 69°F and lows near 52°F. Over 55 years of records, the warmest September 20th was in 1974 (71°F average), while the coldest was 1983 (53°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 36% of September 20th dates historically, with the wettest September 20th recording 1.3" of rain. 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 20th in Tacoma, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 50° | 62° | — | — |
| 2024 | 65° | 54° | 59° | — | — |
| 2023 | 65° | 53° | 59° | 0.25" | — |
| 2022 | 75° | 49° | 62° | — | — |
| 2021 | 70° | 50° | 60° | — | — |
| 2020 | 69° | 58° | 63° | 0.03" | — |
| 2019 | 68° | 58° | 63° | 0.15" | — |
| 2018 | 67° | 55° | 61° | 0.03" | — |
| 2017 | 59° | 49° | 54° | 1.3" | — |
| 2016 | 65° | 48° | 56° | — | — |
| 2015 | 74° | 64° | 69° | 0.03" | — |
| 2014 | 71° | 58° | 64° | — | — |
| 2013 | 74° | 49° | 61° | — | — |
| 2012 | 69° | 54° | 61° | — | — |
| 2011 | 75° | 48° | 62° | — | — |
| 2010 | 67° | 58° | 62° | 0.15" | — |
| 2009 | 69° | 52° | 60° | — | — |
| 2008 | 61° | 55° | 58° | 0.69" | — |
| 2007 | 63° | 49° | 56° | — | — |
| 2006 | 64° | 54° | 59° | 0.13" | — |
| 2005 | 73° | 51° | 62° | — | — |
| 2004 | 67° | 49° | 58° | — | — |
| 2003 | 66° | 52° | 59° | — | — |
| 2002 | 71° | 50° | 61° | 0.05" | — |
| 2001 | 67° | 47° | 57° | — | — |
| 2000 | 68° | 52° | 60° | 0.03" | — |
| 1999 | 77° | 53° | 65° | — | — |
| 1998 | 67° | 54° | 60° | — | — |
| 1997 | 70° | 46° | 58° | — | — |
| 1996 | 61° | 48° | 54° | — | — |
| 1995 | 73° | 56° | 64° | — | — |
| 1994 | 72° | 52° | 62° | — | — |
| 1993 | 65° | 49° | 57° | — | — |
| 1992 | 72° | 59° | 65° | — | — |
| 1991 | 72° | 52° | 62° | — | — |
| 1990 | 69° | 50° | 60° | — | — |
| 1989 | 69° | 44° | 57° | — | — |
| 1988 | 63° | 54° | 58° | 0.03" | — |
| 1987 | 80° | 49° | 64° | — | — |
| 1986 | 68° | 46° | 57° | — | — |
| 1985 | 66° | 43° | 54° | — | — |
| 1984 | 69° | 54° | 61° | 0.2" | — |
| 1983coldest | 65° | 42° | 53° | — | — |
| 1982 | 68° | 57° | 63° | 0.2" | — |
| 1981 | 64° | 49° | 56° | 0.1" | — |
| 1980 | 62° | 53° | 58° | 0.18" | — |
| 1979 | 69° | 60° | 65° | — | — |
| 1978 | 67° | 51° | 59° | 0.13" | — |
| 1977 | 61° | 52° | 56° | 0.43" | — |
| 1976 | 82° | 55° | 69° | — | — |
| 1975 | 78° | 50° | 64° | — | — |
| 1974warmest | 85° | 57° | 71° | — | — |
| 1973 | — | 55° | — | 0.64" | — |
| 1972 | 60° | 48° | 54° | 0.66" | — |
| 1971 | 74° | 54° | 64° | — | — |
55 years of data from TACOMA CITY HALL