September Weather in Cold Spring, United States

Last updated: February 24, 2025

In September, Cold Spring, United States experiences a delightful transition as summer begins to wane. Temperatures typically peak at a maximum of 32°C (90°F), while the average hovers around a comfortable 19°C (67°F), dipping to a minimum of 4°C (39°F) during cooler nights. This month also brings an average precipitation of 115 mm (4.5 in) across roughly 9 days, contributing to the lush landscape. With humidity lingering around 68%, the air feels refreshing, making September a beautiful time to enjoy the vibrant changing scenery.

September Temperature in Cold Spring

In September, temperatures in Cold Spring, United States, usher in a refreshing shift as summer begins to fade. With minimums around 4°C (39°F) and an average temperature of 19°C (67°F), the days remain pleasantly warm yet are tempered by the crispness of approaching autumn. The maximum temperature can reach up to 32°C (90°F), showcasing that while the heat still lingers, the transition is unmistakable. This month marks a harmonious balance between lingering summer warmth and the first hints of cooler weather, inviting both a farewell to the season's extremes and a welcome to the comforting embrace of fall.

September Weather in Cold Spring: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cold Spring, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303339496069757366564234
Data source: Temperature data for Cold Spring generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cold Spring

In September, Cold Spring experiences a significant transition in its precipitation patterns, with 115 mm (4.5 in) of rain falling over the course of just 9 days. This marks a slight decrease compared to the preceding months—most notably July and August, which boast heavier rainfall of 129 mm (5.1 in) and 121 mm (4.8 in) respectively. The early autumn rains contribute to the rich tapestry of colors that begin to emerge as the leaves change, setting the stage for October’s typically wetter climate with 141 mm (5.5 in) expected over 11 days. As summer fades, September serves as a bridge, blending the remnants of warm weather with the freshness of the upcoming fall, highlighting the area’s climatic rhythm.

September Precipitation Trends in Cold Spring

The chart displays monthly precipitation patterns in Cold Spring, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6995881181199512912111514190102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cold Spring

In Cold Spring, United States, September ushers in a slight uptick in humidity, measuring 68%, following the drier months of summer. As the year progresses, this represents a subtle rebound from the 62% humidity seen in July, while August's levels lingered at 65%. The trend reveals a gradual shift from the oppressive moistness of winter to the comfortable dryness of summer, culminating in September's blend of cooler temperatures and moderate humidity. As autumn approaches, the ambiance shifts, hinting at the return of heightened humidity levels by October, which rise again to 74%. This cyclical dance of moisture reveals Cold Spring’s dynamic climate, where each month brings its own unique blend of comfort and humidity.

September Average Humidity in Cold Spring

This chart illustrates the average monthly humidity levels in Cold Spring, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cold Spring

September in Cold Spring sees a UV Index of 8, categorizing it as very high exposure, meaning you should limit unprotected sun exposure to just 15 minutes. As the summer sun begins to wane, September maintains a robust level of UV radiation, echoing the intensity of August. While still significant, this slight decrease from July's consistent 10 indicates a transition into fall, where protection remains crucial. The trend of high UV levels from late spring through summer into early fall highlights the importance of staying vigilant about sun safety during these months. For more detailed information on UV trends and tips for protection, visit Cold Spring UV Index.

Maximum UV Index Levels in Cold Spring for September

The chart shows the monthly maximum UV Index (UVI) for Cold Spring in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Cold Spring September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Cold Spring

In Cold Spring, September shines as a vibrant transition from the peak summer months, boasting 279 hours of sunshine. This figure reflects a slight decrease from August's 319 hours, yet it remains considerably higher than the winter months, exemplifying a lingering warmth as fall approaches. The sunlight in September continues the upward trend seen from the drearier winter offerings of January and February, steadily climbing through spring and hitting a peak in July with 339 hours. As the days shorten and temperatures cool, September offers a beautiful balance, inviting residents and visitors to relish the golden hues of autumn while still soaking up ample sunshine before the gray of winter sets in.

Monthly Sunshine Duration in Cold Spring: September Highlighted

The September sunshine duration represents the total number of hours Cold Spring experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec143h177h251h242h272h314h339h319h279h223h202h169h
Data source: Cold Spring September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cold Spring During September

In Cold Spring, United States, September brings a 41% chance of sunny weather, marking a slight recovery from the dreariness of August's 28%. As the summer months wane, the likelihood of sunshine dips from June's 40% and July's 37%, yet September's figure remains relatively stable compared to earlier months like February's 31%. Interestingly, as we shift into autumn, the chances of sunny days begin to rise again, with November enjoying a more favorable 53%. This trend suggests that while September may not be the sunniest month, it holds promise for those looking to relish the gentle warmth of early fall before the chill of winter sets in.

Percentage of Sunny Days in September in Cold Spring

The chart illustrates the percentage of sunny days in Cold Spring throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cold Spring experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%31%56%43%39%40%37%28%41%36%53%30%
Data source: Cold Spring September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cold Spring in September

As summer fades into autumn, September in Cold Spring, United States, marks a transition with 12 hours of daylight. Following the peak of 15 hours in June, daylight gradually diminishes, reflecting nature's rhythm. The steady decline from July's 14 hours and August's 13 hours signals the onset of shorter days ahead. This pattern continues into October, when daylight shrinks further to 11 hours. Overall, September presents a beautiful blend of lingering summer light while heralding the cooler, shorter days of fall, inviting residents to enjoy the last golden rays before winter's embrace.

Average Daylight Hours in Cold Spring for September

The chart illustrates the variation in daylight duration in Cold Spring throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 37m11h 58m13h 21m14h 31m15h 6m14h 47m13h 44m12h 25m11h 2m9h 50m9h 13m
Data source: Cold Spring daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cold Spring

As September unfolds in Cold Spring, the wind begins to whisper a gentle change, with average speeds reaching 2.6 m/s (6 mph). This slight uptick from the summer months signals a transition, as the winds, previously subdued at 2.1 m/s (5 mph) in July and August, gain a bit more vigor. Interestingly, September’s winds mirror those of October and November, suggesting a consistent pattern as the season shifts further into autumn. This month marks a bridge from the calm, warm breezes of summer to the crisp, invigorating currents of fall, creating a refreshing atmosphere that hints at the approaching chill of winter.

Average September Wind Speed in Cold Spring

The chart displays monthly wind speed patterns in Cold Spring, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.93.42.92.72.42.12.12.6 m/s2.62.72.7
Data source: Cold Spring September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cold Spring Compares to Other Months

The weather in Cold Spring changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Cold Spring and find detailed weather information for every month.

September and January showcase a striking contrast in weather conditions. In September, temperatures vary from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 19°C (67°F) and a relative humidity of 68%. This month also experiences about 115 mm (4.5 in) of precipitation over nine days. In stark contrast, January brings significantly colder temperatures, ranging from a minimum of -22°C (-7°F) to a maximum of 18°C (65°F), with an average temperature of -1°C (31°F). Additionally, January sees lower precipitation levels at 69 mm (2.7 in) over eight days, coupled with a higher humidity of 84%. For a more detailed look at January conditions, you can visit Cold Spring weather in January.

In September, temperatures typically range from a cool 4°C (39°F) at night to a warm 32°C (90°F) during the day, with an average of 19°C (67°F). September sees considerable precipitation at 115 mm (4.5 in) over about 9 days, coupled with a moderate humidity level of 68%. In stark contrast, February presents a much colder climate, with temperatures plunging to a minimum of -21°C (-5°F) and only reaching a maximum of 24°C (76°F), averaging around 1°C (33°F). Despite slightly less precipitation at 95 mm (3.7 in) over 12 days, the humidity in February is higher at 82%. For more details on February weather, you can check out Cold Spring weather in February.

September and March present contrasting weather patterns, reflecting the transition between summer and spring. In September, temperatures range from a mild 4°C (39°F) at night to a warm 32°C (90°F) during the day, with an average of 19°C (67°F). This month sees considerable rainfall, totaling 115 mm (4.5 in) over about 9 days, coupled with a humidity level of 68%. In contrast, March experiences colder conditions, with temperatures dipping to a minimum of -15°C (6°F) and only reaching a high of 25°C (78°F), averaging just around 4°C (39°F). Precipitation in March is slightly lower at 88 mm (3.5 in) over 10 days, but humidity is higher at 81%, which can contribute to an even more brisk feel in the air. For a more detailed look at the weather in March, check out Cold Spring weather in March.

When comparing September and April, it's clear that both months feature a range of temperatures, but they have distinct characteristics. September boasts a milder average temperature of 19°C (67°F) with highs reaching 32°C (90°F), making it generally warmer than April, which has an average temperature of 10°C (50°F) and a maximum of 29°C (85°F). However, September tends to be more humid at 68%, compared to April's higher humidity level of 78%. Precipitation is relatively similar, with September recording 115 mm (4.5 in) over 9 days and April slightly higher at 118 mm (4.6 in) across 13 days. For more insights on the cooler conditions typical of April, visit Cold Spring weather in April.

When comparing the weather in September and May, several notable differences emerge. September generally presents warmer temperatures, with a minimum of 4°C (39°F), an average of 19°C (67°F), and a maximum of 32°C (90°F). In contrast, May tends to be cooler, featuring a minimum of 0°C (32°F), an average of 15°C (60°F), and a maximum of 33°C (92°F). Both months experience similar levels of precipitation, with September receiving 115 mm (4.5 in) over 9 days and May slightly higher at 119 mm (4.7 in) over 13 days. Humidity levels are also comparable, with September at 68% and May slightly higher at 69%. For more details on the typical climate during May, you can check out Cold Spring weather in May.

When comparing the weather in September and June, we notice some interesting differences and similarities. In September, the temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average temperature of 19°C (67°F). In contrast, June tends to be slightly warmer, with a minimum of 7°C (44°F), an average of 20°C (69°F), and a maximum of 35°C (94°F). Additionally, September experiences more precipitation, with 115 mm (4.5 in) over 9 days, compared to June's 95 mm (3.7 in) over 12 days. Humidity levels remain relatively similar, at 68% in September and 69% in June, adding to the overall comfort or discomfort of these months. For a closer look at weather trends, you can check out Cold Spring weather in June.

In comparing the weather between September and July, one can observe distinct differences in temperature and precipitation. September experiences a broader range, with temperatures dipping to a minimum of 4°C (39°F) and peaking at a maximum of 32°C (90°F), while averaging around 19°C (67°F). In contrast, July is consistently warmer, with minimum temperatures of 13°C (56°F) and maximums reaching up to 36°C (97°F), averaging 24°C (75°F).

Precipitation levels are also noteworthy; September records about 115 mm (4.5 in) of rainfall over approximately 9 days, while July sees slightly more precipitation at 129 mm (5.1 in) across 13 days. Additionally, September has higher humidity at 68%, compared to July’s more comfortable 62%. For more specific weather details, you can refer to Cold Spring weather in July.

When comparing the weather in September to that of August, it's clear that September experiences a more significant temperature range, with minimums dropping to 4°C (39°F) compared to August's milder lowest temperature of 10°C (51°F). The average temperature in September is slightly cooler at 19°C (67°F) versus August's 23°C (73°F), while the maximum temperature in September reaches 32°C (90°F), just a couple degrees lower than August's peak of 34°C (94°F). Additionally, September sees a total precipitation of 115 mm (4.5 in) over 9 days, which is slightly less than August's 121 mm (4.8 in) spread over 12 days. Humidity levels are also marginally higher in September at 68%, compared to 65% in August. For more insights on the weather during this month, visit Cold Spring weather in August.

In comparing the weather of September and October, one can observe notable changes. September features a milder temperature range with a minimum of 4°C (39°F) and an average of 19°C (67°F), whereas October sees a drop in average temperatures to around 14°C (57°F) and can even reach a minimum of -1°C (31°F) at times. Both months have similar maximum temperatures, with September peaking at 32°C (90°F) and October slightly lower at 32°C (89°F). Precipitation also increases in October, measuring 141 mm (5.5 in) over 11 days, compared to September's 115 mm (4.5 in) over 9 days. Additionally, October tends to be more humid, with an average of 74% compared to September's 68%. For those interested in more specific details about the weather during this time, check out Cold Spring weather in October.

September typically boasts much warmer temperatures, with minimums around 4°C (39°F) and average highs reaching 32°C (90°F). In contrast, November sees a significant drop in temperature, with minimums plummeting to -13°C (8°F) and average highs only reaching 24°C (75°F). Though September experiences slightly higher precipitation at 115 mm (4.5 in) over about 9 days, November's precipitation is still notable at 90 mm (3.5 in) across 10 days, combined with higher humidity levels of 82%. For those looking to explore typical weather conditions during this time, you can find more information here: Cold Spring weather in November.

September weather is characterized by a warm climate, with temperatures ranging from a cool 4°C (39°F) at night to a hot 32°C (90°F) during the day, and an average temperature of 19°C (67°F). In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -17°C (2°F) and an average of just 1°C (35°F). Although September experiences more precipitation (115 mm) over 9 days, December is not far behind with 102 mm of rainfall over 11 days and a higher humidity level of 80%. This stark contrast in temperatures and overall weather patterns highlights the seasonal shift from the warmth of early autumn to the chill of winter. For more detailed insights into December conditions, check out Cold Spring weather in December.

Compare Cold Spring's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cold Spring

As summer transitions to fall, September in Cold Spring brings a refreshing change in weather, with temperatures that comfortably average around 19°C (67°F). Unlike the stifling heat of July and August, September offers milder days and cooler nights, making outdoor activities more enjoyable. Although the month sees around 115 mm of rainfall across about nine days, this moisture is essential for the vibrant foliage that emerges as autumn approaches. Coupled with a humidity level of 68%, the air carries a crispness that heralds the arrival of fall, setting a beautiful stage for this picturesque town. For more insights on what to expect, check out the detailed information on Cold Spring Climate.