Last updated: February 24, 2025
In September 2023, New Paltz experiences a delightful transition from the heat of summer to the cooler autumn days. The maximum temperature reaches a sizzling 33°C (91°F), while the average hovers around a comfortable 19°C (66°F), and the minimum dips to a cool 3°C (38°F). With a total precipitation of 102 mm (4.0 in) spread over 9 days, the month witnesses a refreshing blend of sunshine and occasional rain, contributing to an overall humidity level of 68%. Whether you're enjoying warm afternoons or crisp evenings, September in New Paltz offers a captivating mix of seasonal charm.
In September, New Paltz experiences a gentle transition from summer to autumn, characterized by mild temperatures that invite outdoor activities. The month begins with a minimum temperature of 3°C (38°F), while daytime averages rise to a comfortable 19°C (66°F). This warmth is accompanied by peak highs reaching up to 33°C (91°F), providing a last taste of summer's heat. As the month progresses, the evenings gradually cool down, hinting at the approaching fall. With a blend of warm days and cooler nights, September offers a perfect opportunity to enjoy the vibrant foliage and outdoor adventures before the chill of autumn sets in.
In September, New Paltz experiences a notable shift in its precipitation patterns, receiving an average of 102 mm (4.0 in) of rainfall over 9 days. This month's rainfall slightly decreases compared to the heavier downpours of August, which brought 113 mm (4.5 in) across 11 days. September's precipitation marks a transitional phase, setting the stage for the wetter October, which typically delivers 140 mm (5.5 in) over about 11 days. While September isn't one of the wettest months, the consistent rainfall helps nourish the local environment as summer fades into fall, highlighting the region's dynamic climate and emphasizing the importance of this month's contributions to overall annual precipitation.
As September rolls into New Paltz, there's a subtle yet noticeable shift in the humidity levels, which stand at 68%. This marks a slight increase from the drier months of July and August, where humidity dipped to 62% and 65%, respectively. Interestingly, this uptick is part of an overall trend that witnesses humidity gradually rising from summer's low point toward the more humid autumn months, as October's levels climb to 74%. Observing the year as a whole, September sits comfortably between the summer's peak dryness and winter's enveloping moisture, highlighting its transitional nature. It serves as a reminder that as the seasons change, so too does the atmosphere, creating a dynamic climate experience in this picturesque region.
As September rolls into New Paltz, the UV Index remains high at 8, indicating a very high risk of harm from unprotected sun exposure. This reflects a trend from the previous months, where the UV Index peaked at 10 during the summer, particularly in May through August. Although the burn time slightly increases to 15 minutes, vigilance is still essential, as the risk of skin damage remains significant. This month's drop from the summer extremes signals the approach of autumn, but sun protection should still be a priority. For a detailed look at hourly UV levels throughout the month, explore the data at New Paltz UV Index.
UV Risk Categories
September in New Paltz is a delightful transition from the sun-drenched days of summer to the more temperate vibes of autumn, offering a commendable 279 hours of sunshine. This month, while not as radiant as the peak of July—with its impressive 339 hours—still showcases a robust amount of daylight, suggesting that the warm embrace of summer lingers just a bit longer. Following the lush glories of August, which boasts 319 hours, September maintains a notable brightness, making it a perfect time for outdoor activities amid the changing leaves. As we move into October with a reduction to 223 hours, it’s clear that September serves as a gentle reminder of summer's warmth before the crisp chill sets in, allowing residents and visitors to revel in the golden light of early fall.
In September, New Paltz enjoys a moderate 41% chance of sunny weather, marking a slight uptick from the summer months, where sunshine chances drop to their lowest. This trend of typically lower sunlight continues from July and August, suggesting that as summer ebbs, the likelihood of sunny days begins to stabilize. Notably, September's sunshine probability aligns closely with April and October, highlighting an overall trend of fluctuating but fairly consistent chances throughout the year, with winter months generally featuring lower prospects for sun. As autumn approaches, residents can expect a balance of sunny days—a perfect invitation to enjoy the beautiful fall foliage and outdoor activities.
As summer gracefully transitions into autumn, September in New Paltz sees a mild reduction in daylight hours, offering about 12 hours of sunlight. This marks a noticeable shift from the peak of 15 hours in June, as nature begins to cozy up for the cooler months ahead. The rhythm of the seasons is evident as daylight decreases steadily; following September, October will bring even less light, with only 11 hours on the horizon. This trend reflects the gradual winding down of summer’s vibrancy, inviting residents to embrace the beauty of early fall's golden hues. As day length narrows, the landscape evolves, hinting at the crispness that the upcoming months promise.
As September arrives in New Paltz, the wind begins to pick up slightly, averaging 2.4 m/s (5 mph). This month serves as a gentle transition from the stillness of summer, where July and August recorded their lowest averages of 1.9 m/s (4 mph). Though September’s breeze is mild, it hints at the crispness of autumn to come, aligning with a gradual trend of increasing wind speeds as the year progresses into the fall months. Notably, the wind speed in September is a fraction higher than the 2.3 m/s (5 mph) average of June and July, creating an inviting atmosphere for outdoor activities amidst the vibrant changing foliage. As the landscape transforms, the refreshing winds signal the shift from the heat of summer to the cooler embrace of autumn.
The weather in New Paltz 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 New Paltz and find detailed weather information for every month.
September and January present strikingly different weather patterns. In September, temperatures range from a mild 3°C (38°F) to a high of 33°C (91°F), with an average of 19°C (66°F), making it a warm month with notable humidity at 68%. The area experiences about 102 mm (4.0 in) of precipitation over 9 days. In contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -24°C (-11°F) and an average of -1°C (30°F), peaking at 18°C (64°F). It is drier in terms of total precipitation, as only 71 mm (2.8 in) falls over 8 days, though humidity is higher at 84%. For a detailed look at January conditions, visit New Paltz weather in January.
September and February present stark contrasts in weather. September features a much warmer climate, with average temperatures around 19°C (66°F) and maximums reaching up to 33°C (91°F), alongside noticeable humidity at 68%. This month also sees around 102 mm (4.0 in) of precipitation over about 9 days. In sharp contrast, February experiences significantly colder conditions, with average temperatures hovering around 0°C (33°F) and lows plummeting to -22°C (-7°F). February also experiences high humidity at 82%, along with approximately 94 mm (3.7 in) of precipitation over 12 days. For more detailed insights into what to expect, check out New Paltz weather in February.
In comparing the weather of September and March, it is evident that these months present contrasting climates. September offers a warmer experience, with average temperatures around 19°C (66°F) and highs reaching up to 33°C (91°F), while March remains significantly cooler, averaging just 3°C (38°F) and peaking at 25°C (77°F). Precipitation is quite similar in both months, with September experiencing 102 mm (4.0 in) over 9 days and March seeing slightly less at 88 mm (3.5 in) across 10 days. Additionally, March has a higher humidity level at 81% compared to September's 68%. For a deeper dive into the weather patterns, you can view New Paltz weather in March.
In comparing September and April weather, notable differences emerge in temperature and precipitation patterns. September enjoys a more temperate climate with average temperatures reaching 19°C (66°F) and maximums peaking at 33°C (91°F), while April's average temperature is considerably lower at 10°C (49°F), with a maximum of 29°C (85°F). Precipitation is slightly higher in April, with 128 mm (5.0 in) falling over 13 days compared to September’s 102 mm (4.0 in) spread across 9 days. Additionally, April tends to have higher humidity at 78%, whereas September's humidity sits at 68%. For a detailed look at April weather, you can visit New Paltz weather in April.
In comparing the weather of September and May, both months exhibit significant temperature ranges, with maximum temperatures peaking at a similar 33°C (91°F in September and 92°F in May). However, September tends to be slightly warmer on average, with an average temperature of 19°C (66°F) compared to May's 15°C (60°F). Precipitation is notably present in both months, with September receiving 102 mm (4.0 in) over 9 days, while May has a slightly higher total of 115 mm (4.5 in) over 12 days. Additionally, the humidity levels are quite similar, with September at 68% and May at 69%, creating a generally moist atmosphere in both months. For more detailed weather insights, you can check New Paltz weather in May.
When comparing the weather in September and June, a few notable differences emerge. September typically sees a wider temperature range, with minimums dropping to 3°C (38°F) and maximums reaching 33°C (91°F), while June maintains slightly warmer temperatures, ranging from a minimum of 6°C (42°F) to a maximum of 35°C (95°F). Both months experience a similar amount of precipitation, with September receiving 102 mm (4.0 in) over 9 days and June slightly less at 87 mm (3.4 in) across 10 days. Humidity levels are comparable as well, with September at 68% and June at 69%. For more details on June weather, visit New Paltz weather in June.
In comparing the weather between July and September, July generally provides a warmer and more humid experience. With average temperatures peaking at 24°C (75°F) and reaching a maximum of 37°C (98°F), it features milder nighttime lows of 13°C (55°F). In contrast, September experiences a broader temperature range, with minimums dropping to 3°C (38°F) and maximums hitting 33°C (91°F). Despite slightly higher precipitation in July at 118 mm (4.6 in) over 13 days, September’s rainfall totals 102 mm (4.0 in) across 9 days, reflecting drier conditions. Additionally, September has higher humidity levels at 68% compared to July's 62%. For more specific details on July weather, visit New Paltz weather in July.
In comparing the weather of September and August, September experiences a noticeable shift, with average temperatures dropping from 23°C (73°F) in August to 19°C (66°F). The minimum temperature in September also dips to 3°C (38°F), compared to August's cooler minimum of 9°C (48°F). While both months see a similar amount of precipitation, September records slightly less with 102 mm (4.0 in) over 9 days, compared to August's 113 mm (4.5 in) over 11 days. Additionally, humidity in September is slightly higher at 68%, while August remains lower at 65%. For more details on August weather, check out New Paltz weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F). The month sees around 102 mm (4.0 in) of precipitation over nine days, and the humidity sits at 68%. In contrast, October brings cooler temperatures, with a minimum dipping to -1°C (31°F) and an average of 13°C (56°F), while still reaching a maximum of 31°C (87°F). Precipitation increases to 140 mm (5.5 in) over eleven days, contributing to a slightly higher humidity level of 74%. For more information on October weather, check out New Paltz weather in October.
September and November present stark contrasts in weather conditions. September enjoys warmer temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), with an average of 19°C (66°F). The month also sees relatively high humidity at 68% and experiences about 102 mm (4.0 in) of precipitation over 9 days. In contrast, November brings much colder weather, with temperatures dipping to as low as -14°C (7°F) and averaging just 5°C (42°F). The maximum temperature in November reaches 24°C (75°F), but overall, it has a higher humidity level of 82% and slightly less precipitation at 91 mm (3.6 in) over 10 days. To learn more about the specific weather patterns during this time, check out New Paltz weather in November.
In comparing the weather between September and December, notable contrasts emerge. September boasts a comfortable average temperature of 19°C (66°F), with a maximum reaching 33°C (91°F), making it a warm, humid month with a significant average humidity of 68%. In contrast, December sees a dramatic drop in temperatures, with an average hovering around 1°C (34°F), and lows plummeting to -19°C (-1°F). Although both months experience similar precipitation levels—102 mm (4.0 in)—December has slightly more rainy days, totaling 10. The increased humidity in December, at 80%, further emphasizes the colder, more overcast conditions typical of winter. For a closer look at December weather specifics, you can click here: New Paltz weather in December.
September in New Paltz ushers in a delightful transition from the warmth of summer to the crispness of fall. With average temperatures hovering comfortably around 19°C, the month offers a pleasant reprieve from the sweltering heat of July and August. While daytime highs can still reach a balmy 33°C, the nights invite you to bundle up a bit more, dipping down to cooler temps that can drop to 3°C. This month also brings a touch of moisture, with almost a week of rain to nourish the changing foliage, contributing to the region's stunning autumn colors. Humidity levels remain moderate, making for a refreshing outdoor experience. For a deeper dive into the patterns and variations of weather throughout the year, visit New Paltz Climate.