Weather on September 21
Tacoma, WA
55 Years of Data
Avg High
70°F
Avg Low
51°F
Warmest
1974
71°F avg
Coldest
1993
50°F avg
About This Date
September 21st in Tacoma, WA typically brings pleasant fall weather, with average highs around 70°F and lows near 51°F. Over 55 years of records, the warmest September 21st was in 1974 (71°F average), while the coldest was 1993 (50°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 21st dates historically, with the wettest September 21st recording 3.86" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Tacoma, WA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 58° | 63° | 0.97" | — |
| 2024 | 70° | 48° | 59° | — | — |
| 2023 | 69° | 45° | 57° | — | — |
| 2022 | 75° | 47° | 61° | — | — |
| 2021 | 74° | 50° | 62° | — | — |
| 2020 | 70° | 53° | 61° | — | — |
| 2019 | 70° | 57° | 63° | 0.03" | — |
| 2018 | 72° | 58° | 65° | — | — |
| 2017 | 61° | 50° | 55° | 0.03" | — |
| 2016 | 65° | 48° | 56° | — | — |
| 2015 | 66° | 54° | 60° | 0.46" | — |
| 2014 | 78° | 55° | 67° | — | — |
| 2013 | 72° | 55° | 63° | 0.53" | — |
| 2012 | 69° | 57° | 63° | — | — |
| 2011 | 75° | 57° | 66° | — | — |
| 2010 | 64° | 51° | 58° | 0.03" | — |
| 2009 | 71° | 49° | 60° | — | — |
| 2008 | 63° | 55° | 59° | 0.2" | — |
| 2007 | 67° | 54° | 60° | — | — |
| 2006 | 62° | 53° | 58° | 0.33" | — |
| 2005 | 68° | 47° | 57° | — | — |
| 2004 | 67° | 49° | 58° | — | — |
| 2003 | 67° | 48° | 57° | — | — |
| 2002 | 67° | 41° | 54° | — | — |
| 2001 | 69° | 55° | 62° | — | — |
| 2000 | 65° | 56° | 60° | — | — |
| 1999 | 79° | 52° | 65° | — | — |
| 1998 | 70° | 48° | 59° | — | — |
| 1997 | 71° | 46° | 59° | — | — |
| 1996 | 60° | 51° | 56° | 0.03" | — |
| 1995 | 81° | 49° | 65° | — | — |
| 1994 | 76° | 56° | 66° | — | — |
| 1993coldest | 61° | 40° | 50° | — | — |
| 1992 | 71° | 59° | 65° | — | — |
| 1991 | 80° | 52° | 66° | — | — |
| 1990 | 74° | 49° | 61° | — | — |
| 1989 | 72° | 47° | 59° | — | — |
| 1988 | 65° | 50° | 57° | — | — |
| 1987 | 80° | 49° | 64° | — | — |
| 1986 | 63° | 54° | 58° | — | — |
| 1985 | 65° | 54° | 59° | — | — |
| 1984 | 67° | 55° | 61° | — | — |
| 1983 | 74° | 42° | 58° | — | — |
| 1982 | 71° | 52° | 61° | — | — |
| 1981 | 66° | 49° | 57° | 1.63" | — |
| 1980 | 65° | 50° | 57° | 0.18" | — |
| 1979 | 72° | 55° | 63° | — | — |
| 1978 | 62° | 50° | 56° | 0.69" | — |
| 1977 | 63° | 50° | 56° | 0.13" | — |
| 1976 | 83° | 57° | 70° | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974warmest | 85° | 57° | 71° | — | — |
| 1973 | — | 53° | — | 0.28" | — |
| 1972 | 60° | 49° | 54° | 3.86" | — |
| 1971 | 72° | 46° | 59° | — | — |
55 years of data from TACOMA CITY HALL