Hottest Septembers in Delaware since 1895
In 2022, the continental United States experienced its , according to data from the National Oceanic and Atmospheric Administration, while 20 states saw one of their in the same month. The year prior, July marked the .
Climate change is driving rising temperatures and more record heat. The has climbed each decade since 1880 by about .14 degrees Fahrenheit, or roughly 2 degrees Fahrenheit total.
compiled a ranking of the hottest Septembers in Delaware since 1895 using data from the . Rankings are based on the highest average temperature in each month. For each of the hottest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.
#10. September 2010 (tie)
- Average temperature: 71.4掳F
- Monthly high temperature: 82.5掳F
- Monthly low temperature: 60.3掳F
- Total precipitation: 3.71"
#10. September 1900 (tie)
- Average temperature: 71.4掳F
- Monthly high temperature: 80.9掳F
- Monthly low temperature: 61.9掳F
- Total precipitation: 4.71"
#9. September 2019
- Average temperature: 71.6掳F
- Monthly high temperature: 82.4掳F
- Monthly low temperature: 60.8掳F
- Total precipitation: 1.32"
#8. September 2005
- Average temperature: 71.9掳F
- Monthly high temperature: 83.7掳F
- Monthly low temperature: 60.2掳F
- Total precipitation: 0.59"
#5. September 2016 (tie)
- Average temperature: 72掳F
- Monthly high temperature: 80.9掳F
- Monthly low temperature: 63.2掳F
- Total precipitation: 9.98"
#5. September 2015 (tie)
- Average temperature: 72掳F
- Monthly high temperature: 81.7掳F
- Monthly low temperature: 62.2掳F
- Total precipitation: 3.2"
#5. September 1931 (tie)
- Average temperature: 72掳F
- Monthly high temperature: 82.5掳F
- Monthly low temperature: 61.4掳F
- Total precipitation: 2.32"
#4. September 1961
- Average temperature: 72.1掳F
- Monthly high temperature: 82.1掳F
- Monthly low temperature: 62.2掳F
- Total precipitation: 2.54"
#3. September 1921
- Average temperature: 72.4掳F
- Monthly high temperature: 83.1掳F
- Monthly low temperature: 61.7掳F
- Total precipitation: 2.34"
#2. September 1930
- Average temperature: 72.6掳F
- Monthly high temperature: 84.2掳F
- Monthly low temperature: 61掳F
- Total precipitation: 2.32"
#1. September 2018
- Average temperature: 73.6掳F
- Monthly high temperature: 80.7掳F
- Monthly low temperature: 66.4掳F
- Total precipitation: 6.61"
