Coldest Septembers in Massachusetts since 1895

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September 30, 2025
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Coldest Septembers in Massachusetts since 1895

compiled a ranking of the coldest Septembers in Massachusetts 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 1924
- Average temperature: 58°F
- Monthly high temperature: 69.2°F
- Monthly low temperature: 46.8°F
- Total precipitation: 5.45"

#8. September 1962 (tie)
- Average temperature: 57.9°F
- Monthly high temperature: 68.9°F
- Monthly low temperature: 46.8°F
- Total precipitation: 3.68"

#8. September 1913 (tie)
- Average temperature: 57.9°F
- Monthly high temperature: 68.7°F
- Monthly low temperature: 47°F
- Total precipitation: 3.17"

#7. September 1928
- Average temperature: 57.6°F
- Monthly high temperature: 67.5°F
- Monthly low temperature: 47.7°F
- Total precipitation: 3.98"

#5. September 1978 (tie)
- Average temperature: 57.3°F
- Monthly high temperature: 69.5°F
- Monthly low temperature: 45°F
- Total precipitation: 1.69"

#5. September 1950 (tie)
- Average temperature: 57.3°F
- Monthly high temperature: 67.7°F
- Monthly low temperature: 46.9°F
- Total precipitation: 2.17"

#4. September 1956
- Average temperature: 56.9°F
- Monthly high temperature: 67.2°F
- Monthly low temperature: 46.7°F
- Total precipitation: 4.79"

#3. September 1918
- Average temperature: 56.8°F
- Monthly high temperature: 67.1°F
- Monthly low temperature: 46.5°F
- Total precipitation: 7.2"

#2. September 1963
- Average temperature: 56.7°F
- Monthly high temperature: 68°F
- Monthly low temperature: 45.3°F
- Total precipitation: 3.86"

#1. September 1917
- Average temperature: 56.1°F
- Monthly high temperature: 67.6°F
- Monthly low temperature: 44.6°F
- Total precipitation: 1.63"

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