Weather on September 1
Spokane, WA
55 Years of Data
Avg High
80°F
Avg Low
51°F
Warmest
2025
82°F avg
Coldest
1971
49°F avg
About This Date
September 1st in Spokane, WA typically brings warm fall weather, with average highs around 80°F and lows near 51°F — a 29°F daily swing. Over 55 years of records, the warmest September 1st was in 2025 (82°F average), while the coldest was 1971 (49°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 1st dates historically, with the wettest September 1st recording 0.76" of rain. The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Spokane, WA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 102° | 63° | 82° | — | — |
| 2024 | 100° | 56° | 78° | — | — |
| 2023 | 79° | 54° | 66° | — | — |
| 2022 | 95° | 64° | 80° | — | — |
| 2021 | 73° | 45° | 59° | — | — |
| 2020 | 87° | 56° | 71° | — | — |
| 2019 | 89° | 59° | 74° | — | — |
| 2018 | 76° | 52° | 64° | — | — |
| 2017 | 91° | 55° | 73° | — | — |
| 2016 | 76° | 56° | 66° | — | — |
| 2015 | 78° | 51° | 65° | — | — |
| 2014 | 76° | 50° | 63° | — | — |
| 2013 | 94° | 52° | 73° | — | — |
| 2012 | 77° | 53° | 65° | — | — |
| 2011 | 75° | 47° | 61° | 0.03" | — |
| 2010 | 72° | 48° | 60° | — | — |
| 2009 | 94° | 58° | 76° | 0.2" | — |
| 2008 | 70° | 41° | 55° | — | — |
| 2007 | 81° | 52° | 66° | — | — |
| 2006 | 80° | 41° | 61° | — | — |
| 2005 | 83° | 47° | 65° | — | — |
| 2004 | 81° | 52° | 66° | — | — |
| 2003 | 88° | 52° | 70° | — | — |
| 2002 | 81° | 60° | 70° | — | — |
| 2001 | 79° | 55° | 67° | — | — |
| 2000 | 63° | 50° | 56° | — | — |
| 1999 | 69° | 37° | 53° | — | — |
| 1998 | 96° | 60° | 78° | — | — |
| 1997 | 93° | 50° | 72° | — | — |
| 1996 | 73° | 41° | 57° | — | — |
| 1995 | 88° | 50° | 69° | — | — |
| 1994 | 83° | 54° | 68° | — | — |
| 1993 | 79° | 50° | 64° | — | — |
| 1992 | 79° | 51° | 65° | — | — |
| 1991 | 73° | 52° | 62° | — | — |
| 1990 | 79° | 45° | 62° | — | — |
| 1989 | 75° | 48° | 62° | — | — |
| 1988 | 90° | 45° | 67° | — | — |
| 1987 | 94° | 62° | 78° | — | — |
| 1986 | 71° | 53° | 62° | — | — |
| 1985 | 67° | 48° | 57° | 0.18" | — |
| 1984 | 72° | 50° | 61° | — | — |
| 1983 | 75° | 64° | 70° | 0.13" | — |
| 1982 | 79° | 50° | 64° | — | — |
| 1981 | 75° | 55° | 65° | 0.66" | — |
| 1980 | 65° | 45° | 55° | 0.76" | — |
| 1979 | 83° | 51° | 67° | — | — |
| 1978 | 73° | 50° | 62° | 0.56" | — |
| 1977 | 74° | 44° | 59° | — | — |
| 1976 | 95° | 59° | 77° | — | — |
| 1975 | 64° | 38° | 51° | 0.08" | — |
| 1974 | 70° | 52° | 61° | — | — |
| 1973 | 70° | 44° | 57° | — | — |
| 1972 | 78° | 53° | 66° | — | — |
| 1971coldest | 53° | 45° | 49° | 0.13" | — |
55 years of data from SPOKANE FELTS FLD