Hottest Septembers in Maryland since 1895

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September 26, 2025
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Hottest Septembers in Maryland 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 Maryland 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 2005 (tie)
- Average temperature: 71.1°F
- Monthly high temperature: 83°F
- Monthly low temperature: 59.1°F
- Total precipitation: 0.6"

#10. September 1925 (tie)
- Average temperature: 71.1°F
- Monthly high temperature: 81.6°F
- Monthly low temperature: 60.5°F
- Total precipitation: 1.74"

#9. September 2019
- Average temperature: 71.4°F
- Monthly high temperature: 82.7°F
- Monthly low temperature: 60.1°F
- Total precipitation: 0.71"

#7. September 2016 (tie)
- Average temperature: 71.5°F
- Monthly high temperature: 81°F
- Monthly low temperature: 62°F
- Total precipitation: 6.59"

#7. September 1998 (tie)
- Average temperature: 71.5°F
- Monthly high temperature: 83.1°F
- Monthly low temperature: 59.8°F
- Total precipitation: 1.78"

#5. September 1961 (tie)
- Average temperature: 71.7°F
- Monthly high temperature: 82.4°F
- Monthly low temperature: 60.9°F
- Total precipitation: 1.57"

#5. September 1931 (tie)
- Average temperature: 71.7°F
- Monthly high temperature: 82.7°F
- Monthly low temperature: 60.7°F
- Total precipitation: 2.71"

#4. September 1900
- Average temperature: 71.8°F
- Monthly high temperature: 81.9°F
- Monthly low temperature: 61.8°F
- Total precipitation: 4.02"

#3. September 1921
- Average temperature: 72.3°F
- Monthly high temperature: 82.8°F
- Monthly low temperature: 61.8°F
- Total precipitation: 2.98"

#2. September 1930
- Average temperature: 72.6°F
- Monthly high temperature: 84.9°F
- Monthly low temperature: 60.3°F
- Total precipitation: 1.36"

#1. September 2018
- Average temperature: 72.7°F
- Monthly high temperature: 79.8°F
- Monthly low temperature: 65.6°F
- Total precipitation: 9.14"

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