Last updated: February 24, 2025
Experience the charming weather of Montauk, United States, in September, where temperatures range from a comfortable 13°C (55°F) at night to a pleasant maximum of 25°C (77°F) during the day. With an average temperature of 20°C (68°F), this coastal haven offers a delightful mix of warmth and cool breezes. Be prepared for occasional rainfall, as 96 mm (3.8 in) of precipitation over 10 days adds to the region's lush beauty, while humidity levels hover around 75%, creating a refreshing atmosphere. Whether you're enjoying outdoor activities or relaxing by the shore, September in Montauk promises a perfect blend of sun and sea.
As summer gracefully transitions into autumn, Montauk experiences a delightful September, characterized by mild temperatures and a refreshing breeze. With a minimum temperature of 13°C (55°F) and an average of 20°C (68°F), the days remain warm yet comfortable, peaking at a pleasant 25°C (77°F). This gradual cool down from the hotter summer months invites both locals and visitors to revel in outdoor activities, making it a splendid time for beach walks, hiking, or simply enjoying the scenic beauty of the area. September's warmth acts as a gentle reminder of summer's lingering charm, creating an ideal setting for those looking to savor the last moments of the season before the chill of fall sets in.
September in Montauk witnesses a moderate shift in precipitation, with 96 mm (3.8 in) of rainfall spread over 10 days. This aligns closely with the summer months, exhibiting a slight increase from August’s 100 mm (3.9 in). As the summer fades, the transition into autumn begins to reveal itself through consistent precipitation levels, yet September remains a relatively dry month when compared to October's expected peak of 165 mm (6.5 in). Overall, while September sees a gradual uptick in rainfall, it maintains a balance between the warmth of summer and the impending chill of fall, making it an intriguing time for weather patterns in this coastal haven.
As the summer fades into fall, September brings a subtle shift in humidity levels in Montauk, settling at 75%, a slight dip from the preceding months. This marks a continuation of the gradual decline in humidity that began in late spring. Since May, when humidity peaked at 75%, this decrease reflects a welcome transition towards the cooler autumn months. Notably, September's conditions mirror those of October, suggesting a stable atmospheric pattern as the region prepares for the upcoming seasonal changes. With breezy days and comfortable evenings, September in Montauk offers a refreshing respite from the humid summer, making it an ideal time for outdoor activities by the coast.
In September, Montauk experiences a UV Index of 8, categorized as very high, which means sun protection is essential to avoid burns in just 15 minutes of exposure. This month, the UV index begins to taper off slightly from the summer peak—but it still signifies the need for vigilance. After several months of extremely high UV readings in the summer, particularly in June and July which both reached a maximum of 10, September serves as a reminder that sun safety remains critical as we transition into autumn. As you plan your beach outings or outdoor activities in Montauk, be sure to stay informed and protect your skin against those lingering rays. For more details, check out the comprehensive Montauk UV Index guide Montauk UV Index.
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As summer gently fades into autumn, September in Montauk offers a delightful balance of lingering warmth and vibrant sunshine, capturing the essence of early fall. With 282 hours of sun, September shines brightly compared to the earlier months of the year, though it marks a slight decrease from the sun-drenched days of July and August. This transitional month maintains a golden glow, still significantly outperforming the gloomier winter months, like January, which barely scratches 152 hours. With sunshine gradually tapering off into October's 232 hours, September serves as a perfect reminder of summer's embrace, inviting residents and visitors alike to savor the last rays before the chill sets in.
As summer gives way to autumn, the likelihood of sunny weather in September in Montauk shows a promising ratio of 50%. This marks a notable increase from the drearier summer months, particularly August, which lags behind at 36%. Interestingly, September's sunshine probability not only rivals the sunny streaks of such spring months as March (59%) but also offers a pleasant balance between the transition to fall and lingering warmth. Following a series of inconsistent summer statistics, with chances dipping as low as 31% in February, September emerges as a month of potential, inviting visitors to savor the beautiful seaside vistas before the crispness of October sets in—at 47% sunshine likelihood. Enjoying Montauk's scenic charm during this month is a delightful opportunity for sun-seekers!
As summer transitions into fall in Montauk, September offers a gentle shift in daylight that mirrors the changing season. With 12 hours of daylight, the month marks a gradual decrease from the sun-drenched days of summer, where July peaked at 14 hours. This decline continues as the days grow shorter, trailing into October's 11 hours. Notably, September retains a richness of light that captures the essence of early autumn, allowing for enjoyable outdoor activities while foreshadowing the cozy, shorter days of winter. The dance of daylight through the months reflects a rhythm of nature, inviting residents and visitors alike to savor the unique beauty of Montauk's September sunsets.
As the summer fades into autumn, September in Montauk brings a refreshing shift in the wind. With an average wind speed of 6.4 m/s (14 mph), it's noticeable how the breezes start to gain a bit more presence compared to the calm of July and August, which both recorded lower speeds of 5.2 m/s (12 mph). This subtle uptick suggests a seasonal transition, hinting at the brisker winds that characterize the approaching fall months. Looking ahead, October and November see a rise in wind speeds again, reaching 7.2 m/s (16 mph) and 7.4 m/s (17 mph), respectively, as Montauk prepares for the cool embrace of autumn. Thus, September serves as a gentle herald of the more vigorous winds that are on the horizon.
The weather in Montauk 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 Montauk and find detailed weather information for every month.
In September, Montauk experiences relatively mild weather, with average temperatures ranging from 13°C (55°F) during the night to a pleasant 25°C (77°F) at its peak during the day. The month sees about 96 mm (3.8 in) of precipitation spread over approximately 10 days, accompanied by a comfortable humidity level of 75%.
In stark contrast, January brings a much colder climate, with average temperatures plummeting to around 3°C (37°F) and nighttime lows dipping as low as -13°C (9°F). Despite slightly less precipitation at 90 mm (3.5 in) over 9 days, the humidity rises to 84%, creating a brisk and frosty atmosphere. For more detailed information on January weather, check out Montauk weather in January.
September and February present strikingly contrasting weather conditions. In September, the temperatures range from a mild 13°C (55°F) to a comfortable maximum of 25°C (77°F), making it a pleasant time of year with an average temperature of 20°C (68°F). However, this month also sees considerable precipitation, totaling 96 mm (3.8 in) spread over 10 days, accompanied by a humidity level of 75%.
In contrast, February experiences much colder temperatures, with a minimum of -11°C (13°F) and an average of just 3°C (38°F), peaking at 12°C (54°F). The month is wetter, with precipitation amounting to 114 mm (4.5 in) over 11 days, but the humidity is slightly higher at 84%. To learn more about Montauk weather during this chilly month, visit Montauk weather in February.
September and March present contrasting weather conditions. In September, temperatures are relatively mild, with a minimum of 13°C (55°F) and an average of 20°C (68°F), peaking at a comfortable 25°C (77°F). The month experiences 96 mm (3.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 75%. In contrast, March is much colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of just 13°C (56°F), averaging around 4°C (40°F). This month sees even higher precipitation at 114 mm (4.5 in) across 10 days and a slightly higher humidity of 82%. For more details on Montauk's climate during this time, check out Montauk weather in March.
When comparing the weather in September to that of April, significant differences are evident. In September, temperatures are notably warmer, with average highs reaching 25°C (77°F) compared to April's maximum of just 15°C (59°F). Additionally, September experiences less precipitation, totaling 96 mm (3.8 in) over about 10 days, while April sees higher rainfall at 128 mm (5.1 in) across approximately 12 days. Humidity levels are relatively similar, with September at 75% and April slightly higher at 79%. For more details on April weather specifics, check out Montauk weather in April.
In September, the weather is generally warmer than in May, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 25°C (77°F), compared to May's cooler minimum of 4°C (39°F) and a maximum of 20°C (68°F). Both months experience similar humidity levels of 75%, but September sees slightly less precipitation at 96 mm (3.8 in) over 10 days, while May has more rainfall, totaling 125 mm (4.9 in) across 12 days. For more details on weather conditions in May, you can visit Montauk weather in May.
September and June exhibit notable differences in weather patterns. In September, the average temperature rises to 20°C (68°F), peaking at 25°C (77°F), while June averages a cooler 17°C (63°F) with a maximum of 22°C (73°F). Precipitation is higher in September, with 96 mm (3.8 in) spread over 10 days, compared to June's 71 mm (2.8 in) over 8 days. Humidity levels are also slightly elevated in June at 78%, compared to September’s 75%. For a detailed look at weather conditions during June, visit Montauk weather in June.
When comparing the weather in September and July, September tends to be slightly cooler with average temperatures around 20°C (68°F), while July sees a higher average of 22°C (71°F). July also boasts a higher minimum temperature of 16°C (61°F) compared to September’s 13°C (55°F). In terms of precipitation, September receives a bit more rain, totaling 96 mm (3.8 in) over about 10 days, whereas July has 90 mm (3.6 in) spread over 9 days, leading to similar humidity levels at 75% and 76% respectively. For more detailed information, you can explore Montauk weather in July.
When comparing the weather in September to August, we see a noticeable shift in temperatures and conditions. September experiences cooler temperatures, with a minimum of 13°C (55°F) and an average of 20°C (68°F), compared to August's warmer minimum of 17°C (63°F) and average of 22°C (73°F). Precipitation levels are similar, with September seeing 96 mm (3.8 in) over 10 days, slightly less than August's 100 mm (3.9 in) over 9 days. Additionally, humidity remains relatively constant, with September at 75% and August at 76%. Those interested in more details can check out Montauk weather in August.
September tends to be milder, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 25°C (77°F) and an average of 20°C (68°F). In contrast, October sees a noticeable drop in temperatures, with lows reaching 5°C (42°F) and an average of only 16°C (61°F). While September experiences about 96 mm (3.8 in) of precipitation over 10 days, October is wetter, recording 165 mm (6.5 in) across 12 days. Interestingly, both months share the same humidity level of 75%, creating a consistently moist atmosphere. For more detailed information, check out Montauk weather in October.
In September, Montauk enjoys milder temperatures with a minimum of 13°C (55°F) and an average of 20°C (68°F), making it a pleasant transition into fall. The humidity sits at 75%, and while there is some rainfall, with 96 mm (3.8 in) over about 10 days, it typically feels quite comfortable. In contrast, November brings a significant drop in temperature, with a minimum of -4°C (24°F) and an average of just 10°C (51°F). Although the maximum temperature only reaches 19°C (67°F), November experiences slightly more precipitation at 112 mm (4.4 in) over 11 days, coupled with a higher humidity level of 80%. For more detailed information, check out Montauk weather in November.
In September, Montauk experiences mild temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 25°C (77°F), with an average of 20°C (68°F). The month sees a moderate amount of precipitation at 96 mm (3.8 in) over approximately 10 days, accompanied by a humidity level of 75%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -9°C (17°F) and averaging only 6°C (43°F); the maximum temperature reaches 16°C (62°F). Precipitation increases to 136 mm (5.4 in) over 12 days, and humidity rises slightly to 80%. For more detailed weather information, you can check Montauk weather in December.
September in Montauk ushers in a delightful transition from the summer heat, with mild temperatures that create a comfortable atmosphere for outdoor activities. While the maximums reach a pleasant 25°C, evenings can cool down to a refreshing 13°C. This month also sees a slight uptick in precipitation, with around 10 days of rain contributing to the lush landscape, making it a vivid backdrop for exploring the stunning coastlines. The humidity hovers around 75%, providing a tropical feel, yet without the sweltering conditions typical of July and August. Overall, September offers a unique blend of warmth and freshness, perfect for those looking to enjoy the beauty of Montauk. For more insights, check out the Montauk Climate.