Coldest Septembers in New Jersey since 1895

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September 30, 2025
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Coldest Septembers in New Jersey since 1895

compiled a ranking of the coldest Septembers in New Jersey 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.

#10. September 1940
- Average temperature: 62.3°F
- Monthly high temperature: 73.9°F
- Monthly low temperature: 50.6°F
- Total precipitation: 4.12"

#8. September 1975 (tie)
- Average temperature: 62.2°F
- Monthly high temperature: 71.7°F
- Monthly low temperature: 52.8°F
- Total precipitation: 8.05"

#8. September 1937 (tie)
- Average temperature: 62.2°F
- Monthly high temperature: 74°F
- Monthly low temperature: 50.3°F
- Total precipitation: 2.23"

#7. September 1950
- Average temperature: 61.7°F
- Monthly high temperature: 70.8°F
- Monthly low temperature: 52.6°F
- Total precipitation: 3.62"

#5. September 1962 (tie)
- Average temperature: 61.4°F
- Monthly high temperature: 71.9°F
- Monthly low temperature: 50.9°F
- Total precipitation: 3.54"

#5. September 1928 (tie)
- Average temperature: 61.4°F
- Monthly high temperature: 70.8°F
- Monthly low temperature: 52.1°F
- Total precipitation: 4.58"

#4. September 1963
- Average temperature: 61°F
- Monthly high temperature: 72.1°F
- Monthly low temperature: 49.8°F
- Total precipitation: 4.59"

#3. September 1918
- Average temperature: 60.9°F
- Monthly high temperature: 71.9°F
- Monthly low temperature: 49.9°F
- Total precipitation: 3.85"

#2. September 1924
- Average temperature: 60.8°F
- Monthly high temperature: 71.2°F
- Monthly low temperature: 50.5°F
- Total precipitation: 5.41"

#1. September 1917
- Average temperature: 60.2°F
- Monthly high temperature: 70.9°F
- Monthly low temperature: 49.5°F
- Total precipitation: 3.06"

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