Hottest Septembers in Pennsylvania 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 Pennsylvania 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 2019 (tie)
- Average temperature: 65.1掳F
- Monthly high temperature: 76.9掳F
- Monthly low temperature: 53.4掳F
- Total precipitation: 2.13"
#10. September 1971 (tie)
- Average temperature: 65.1掳F
- Monthly high temperature: 74.1掳F
- Monthly low temperature: 56.1掳F
- Total precipitation: 4.6"
#10. September 1925 (tie)
- Average temperature: 65.1掳F
- Monthly high temperature: 76.4掳F
- Monthly low temperature: 53.8掳F
- Total precipitation: 3.06"
#9. September 1930
- Average temperature: 65.4掳F
- Monthly high temperature: 78.5掳F
- Monthly low temperature: 52.2掳F
- Total precipitation: 2.41"
#8. September 2005
- Average temperature: 65.5掳F
- Monthly high temperature: 78.3掳F
- Monthly low temperature: 52.8掳F
- Total precipitation: 1.82"
#7. September 1900
- Average temperature: 66.1掳F
- Monthly high temperature: 77.7掳F
- Monthly low temperature: 54.4掳F
- Total precipitation: 1.56"
#6. September 2016
- Average temperature: 66.2掳F
- Monthly high temperature: 78.2掳F
- Monthly low temperature: 54.1掳F
- Total precipitation: 3.54"
#5. September 1921
- Average temperature: 66.5掳F
- Monthly high temperature: 77.5掳F
- Monthly low temperature: 55.5掳F
- Total precipitation: 4.75"
#4. September 2015
- Average temperature: 66.6掳F
- Monthly high temperature: 78掳F
- Monthly low temperature: 55.1掳F
- Total precipitation: 4.32"
#3. September 2018
- Average temperature: 66.7掳F
- Monthly high temperature: 74.8掳F
- Monthly low temperature: 58.5掳F
- Total precipitation: 8.88"
#2. September 1931
- Average temperature: 66.8掳F
- Monthly high temperature: 78.4掳F
- Monthly low temperature: 55.1掳F
- Total precipitation: 3.3"
#1. September 1961
- Average temperature: 67.1掳F
- Monthly high temperature: 78.8掳F
- Monthly low temperature: 55.3掳F
- Total precipitation: 1.9"
