Historical Climate Data Reveals the Coldest Septembers Across Ten States Since 1895

The Tennessee article presents the ranking as a Stacker compilation focused specifically on Tennessee, rather than as a national comparison across states.
The Vermont article likewise frames its findings as a state-specific ranking of Vermont’s coldest Septembers, using the lowest average temperature for each month as the ordering criterion.
The North Dakota article indicates that the ranking includes a month-by-month presentation of statewide temperature and precipitation statistics, allowing each unusually cold September to be compared beyond its average temperature alone.
The Pennsylvania article specifies that each listed September is accompanied by both statewide high and low temperatures, adding a measure of the month’s temperature range to the ranking.
The South Carolina article identifies total precipitation as an additional statistic reported for every ranked September, providing weather context alongside the temperature results.
Stacker has compiled rankings of the coldest Septembers across 10 states since 1895 using data from the National Centers for Environmental Information. The analysis examined 130 years of historical weather records from Tennessee, Vermont, North Dakota, Pennsylvania, South Carolina, Nevada, New Hampshire, Georgia, Delaware, and Alabama. Each ranking includes the lowest average September temperature along with statewide highs, lows, and total precipitation for context.
The research used National Centers for Environmental Information records dating back to 1895 as its primary source. Stacker sorted each state's Septembers by lowest average temperature, then compiled additional weather details for each ranked month. The rankings show statewide high and low temperatures to capture the full range of conditions. Total precipitation was also included to provide context about rain and storm activity during those cold periods.
The analysis focused on Tennessee, Vermont, North Dakota, Pennsylvania, South Carolina, Nevada, New Hampshire, Georgia, Delaware, and Alabama. These states represent a mix of regions across the United States. Local news outlets in each state then published the findings as state-specific rankings rather than as national comparisons. This approach let readers see how their own state's cold Septembers compared within that state's history.
Regional news partners like WSOC-TV, Action News Jax, and the Elko Daily Free Press published the Stacker data with local angles. Tennessee outlets presented the research as a state-specific deep dive into autumn temperature drops. North Dakota coverage emphasized month-by-month temperature and precipitation details to show how sudden cold snaps compared to monthly averages. South Carolina reporting combined temperature data with precipitation figures to illustrate how tropical weather patterns affected historical September cold spells.
By examining 130 years of September temperature data, the rankings help local weather services and farming communities understand how current cold snaps fit into long-term patterns. Local meteorologists use these NOAA benchmarks to predict early freezes and their impact on crops. The historical records also help residents separate short-term cold weather from broader climate trends. When a September feels unusually cool, the data shows whether it ranks among the coldest in recorded history or falls within normal variation.
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