Weather on September 22
Renton, WA
55 Years of Data
About This Date
September 22nd in Renton, WA typically brings pleasant fall weather, with average highs around 71°F and lows near 49°F. Over 56 years of records, the warmest September 22nd was in 1999 (73°F average), while the coldest was 1972 (50°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 23% of September 22nd dates historically, with the wettest September 22nd recording 1.02" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for September 22nd in Renton, WA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 55° | 63° | — | — |
| 2025 | 72° | 51° | 61° | — | — |
| 2024 | 73° | 51° | 62° | — | — |
| 2023 | 77° | 50° | 64° | — | — |
| 2022 | 72° | 55° | 63° | — | — |
| 2021 | 67° | 55° | 61° | — | — |
| 2020 | 73° | 61° | 67° | — | — |
| 2019 | 65° | 59° | 62° | 0.13" | — |
| 2018 | 70° | 57° | 63° | 0.04" | — |
| 2017 | 69° | 51° | 60° | — | — |
| 2016 | 67° | 48° | 57° | — | — |
| 2015 | 66° | 44° | 55° | — | — |
| 2014 | 72° | 60° | 66° | 0.04" | — |
| 2013 | 62° | 55° | 59° | 0.44" | — |
| 2012 | 67° | 52° | 59° | 0.18" | — |
| 2011 | 77° | 61° | 69° | — | — |
| 2010 | 67° | 47° | 57° | — | — |
| 2009 | 85° | 51° | 68° | — | — |
| 2008 | 64° | 49° | 56° | — | — |
| 2007 | 64° | 49° | 56° | — | — |
| 2006 | 65° | 48° | 56° | — | — |
| 2005 | 63° | 44° | 53° | — | — |
| 2004 | 59° | 52° | 55° | 0.19" | — |
| 2003 | 76° | 49° | 62° | — | — |
| 2002 | 77° | 51° | 64° | — | — |
| 2001 | 78° | 52° | 65° | — | — |
| 2000 | 66° | 44° | 55° | — | — |
| 1999warmest | 86° | 59° | 73° | — | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 80° | 48° | 64° | — | — |
| 1996 | 59° | 45° | 52° | — | — |
| 1995 | 83° | 51° | 67° | — | — |
| 1994 | 85° | 51° | 68° | — | — |
| 1993 | 67° | 42° | 54° | — | — |
| 1992 | 73° | 58° | 65° | — | — |
| 1991 | 67° | 43° | 55° | — | — |
| 1990 | 92° | 53° | 72° | — | — |
| 1989 | 91° | 53° | 72° | — | — |
| 1988 | 66° | 41° | 54° | — | — |
| 1987 | 81° | 49° | 65° | — | — |
| 1986 | 62° | 42° | 52° | — | — |
| 1985 | 67° | 38° | 52° | — | — |
| 1984 | 62° | 45° | 53° | 0.6" | — |
| 1983 | 80° | 38° | 59° | — | — |
| 1982 | 70° | 54° | 62° | 0.02" | — |
| 1981 | 63° | 43° | 53° | — | — |
| 1980 | — | 41° | — | 0.01" | — |
| 1979 | 69° | 51° | 60° | — | — |
| 1978 | 61° | 53° | 57° | 0.51" | — |
| 1977 | 62° | 44° | 53° | 0.02" | — |
| 1976 | 72° | 57° | 64° | — | — |
| 1975 | 83° | 41° | 62° | — | — |
| 1974 | 88° | 42° | 65° | — | — |
| 1973 | 63° | 51° | 57° | 0.22" | — |
| 1972coldest | 55° | 45° | 50° | 1.02" | — |
| 1971 | 81° | 38° | 59° | — | — |
Renton, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Renton, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Renton, 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 Renton, WA
Most pleasant months in Renton, WA: May, June, July, August, September.
What to expect on September 22nd
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 22nd outlook →