Hottest Septembers in New Jersey since 1895

Written by:
September 26, 2025
Andrzej Kubik // Shutterstock

Hottest Septembers in New Jersey 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 New Jersey 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 2011
- Average temperature: 68.9掳F
- Monthly high temperature: 76.8掳F
- Monthly low temperature: 61掳F
- Total precipitation: 7.12"

#9. September 2019
- Average temperature: 69掳F
- Monthly high temperature: 80.1掳F
- Monthly low temperature: 57.8掳F
- Total precipitation: 1.25"

#8. September 1921
- Average temperature: 69.1掳F
- Monthly high temperature: 79.9掳F
- Monthly low temperature: 58.2掳F
- Total precipitation: 2.39"

#7. September 2010
- Average temperature: 69.2掳F
- Monthly high temperature: 80.4掳F
- Monthly low temperature: 57.9掳F
- Total precipitation: 3.18"

#6. September 1931
- Average temperature: 69.6掳F
- Monthly high temperature: 80.5掳F
- Monthly low temperature: 58.6掳F
- Total precipitation: 1.91"

#5. September 2016
- Average temperature: 69.7掳F
- Monthly high temperature: 80.4掳F
- Monthly low temperature: 59.1掳F
- Total precipitation: 3.45"

#3. September 2018 (tie)
- Average temperature: 70.2掳F
- Monthly high temperature: 77.6掳F
- Monthly low temperature: 62.8掳F
- Total precipitation: 7.57"

#3. September 2005 (tie)
- Average temperature: 70.2掳F
- Monthly high temperature: 82.5掳F
- Monthly low temperature: 57.9掳F
- Total precipitation: 1.19"

#2. September 2015
- Average temperature: 70.7掳F
- Monthly high temperature: 81.6掳F
- Monthly low temperature: 59.8掳F
- Total precipitation: 3.6"

#1. September 1961
- Average temperature: 70.8掳F
- Monthly high temperature: 81.2掳F
- Monthly low temperature: 60.4掳F
- Total precipitation: 2.6"

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