Coldest Septembers in Washington since 1895
compiled a ranking of the coldest Septembers in Washington since 1895 using data from the . Rankings are based on the lowest average temperature in each month. For each of the coldest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.
#9. September 1971 (tie)
- Average temperature: 53.4掳F
- Monthly high temperature: 64.9掳F
- Monthly low temperature: 41.8掳F
- Total precipitation: 2.97"
#9. September 1941 (tie)
- Average temperature: 53.4掳F
- Monthly high temperature: 62.4掳F
- Monthly low temperature: 44.4掳F
- Total precipitation: 3.85"
#8. September 1970
- Average temperature: 53.2掳F
- Monthly high temperature: 64.8掳F
- Monthly low temperature: 41.5掳F
- Total precipitation: 2.45"
#7. September 1985
- Average temperature: 53.1掳F
- Monthly high temperature: 63.5掳F
- Monthly low temperature: 42.6掳F
- Total precipitation: 2.76"
#5. September 1972 (tie)
- Average temperature: 53掳F
- Monthly high temperature: 64.5掳F
- Monthly low temperature: 41.6掳F
- Total precipitation: 3.39"
#5. September 1933 (tie)
- Average temperature: 53掳F
- Monthly high temperature: 63.5掳F
- Monthly low temperature: 42.5掳F
- Total precipitation: 4"
#4. September 1901
- Average temperature: 52.9掳F
- Monthly high temperature: 63.3掳F
- Monthly low temperature: 42.4掳F
- Total precipitation: 2.97"
#3. September 1921
- Average temperature: 52.2掳F
- Monthly high temperature: 63.2掳F
- Monthly low temperature: 41.1掳F
- Total precipitation: 2.88"
#2. September 1926
- Average temperature: 52.1掳F
- Monthly high temperature: 63.6掳F
- Monthly low temperature: 40.7掳F
- Total precipitation: 2.7"
#1. September 1895
- Average temperature: 51掳F
- Monthly high temperature: 60.7掳F
- Monthly low temperature: 41.3掳F
- Total precipitation: 2.49"
