Last updated: February 24, 2025
In Hampton Bays, United States, September offers a delightful blend of mild temperatures and vibrant fall scenery. With a maximum temperature peaking at 26°C (80°F) and an average hovering around 20°C (69°F), the early days of autumn provide a comfortable climate for outdoor activities. However, as the month progresses, the minimum temperatures can drop to 13°C (56°F), reminding us of the changing seasons. Expect about 93 mm (3.7 in) of rainfall over 10 days, contributing to the region's lush landscapes and crisp air. The humidity level stays at a moderate 68%, making September a versatile month for enjoying the beauty of Hampton Bays.
In September, Hampton Bays transitions into the warmth of early autumn, offering a delightful reprieve from the summer heat. With minimum temperatures averaging around 13°C (56°F), the region retains a touch of summer warmth, while the average temperature rises to a comfortable 20°C (69°F). The maximum highs can soar to 26°C (80°F), making it an ideal time for outdoor activities and enjoying the beautiful landscapes. This month marks a gradual decline from the sweltering summer, yet still provides plenty of pleasant days, hinting at the cooler weather to come in October. Overall, September in Hampton Bays is characterized by mild and inviting days, setting the stage for the beautiful fall foliage that follows.
In September, Hampton Bays experiences a moderate rainfall of 93 mm (3.7 inches) spread over 10 days, maintaining the trend of relatively steady precipitation that defines the month. This level of rain is slightly less than the prior months, signaling a transition as summer draws to a close. Compared to August's 103 mm (4.0 inches), September offers a subtle dip in moisture, yet the frequency of rainy days remains consistent. As autumn approaches, the shift in precipitation patterns hints at the coming wetter conditions typical of October and December, which historically see higher totals. With September's climate ripe for change, it sets the stage for the seasonal transformation that characterizes the rest of the year.
In Hampton Bays, September marks a subtle transition in humidity, averaging around 68%. This slight uptick from the summer months, where humidity dipped to 62% in July and rose slightly to 65% in August, indicates the onset of fall. Throughout the year, humidity peaks in the colder months with January at a steamy 84%, while the summer reveals a gradual decrease, hitting its lowest in July. Following September, October brings a rise to 74%, suggesting that while the air begins to dry out with the changing seasons, it still retains a lingering warmth. Overall, the trend showcases a dynamic interplay between seasonal shifts and humidity levels, providing a unique atmosphere in this coastal locale.
As September rolls in, the UV Index in Hampton Bays remains notably high with an index of 8, indicating a very high level of exposure. This trend follows the peak summer months of June through August, where the UV Index consistently hit the maximum of 10. With burn times becoming immediate at just 15 minutes, it’s crucial for residents and visitors alike to remain vigilant about sun protection. Compared to the earlier months of the year, where the UV Index was substantially lower, September signals a transition but still commands respect for sun safety. For more detailed information, check the Hampton Bays UV Index to plan your outdoor activities wisely.
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As summer fades into autumn, September in Hampton Bays shines with a delightful 278 hours of sunshine, making it the perfect time to enjoy outdoor activities before the cooler months set in. The sunshine hours dip from the peak seen in July and August, reflecting a gradual transition that invites visitors to savor the picturesque landscapes and coastal beauty. Compared to the earlier months, September still boasts abundant sunlight that can inspire happy memories at the beach or leisurely strolls, while hinting at the cozy, colorful days of fall that lie ahead. It's a month where you can bask in the warmth of late summer while embracing the subtle changes that make Hampton Bays a charming destination year-round.
In Hampton Bays, September enjoys a 50% chance of sunny weather, marking a notable rise compared to the summer months that precede it. While July and August hover around the mid-40s, September's sunny prospects reflect a slight rebound, aligning closely with the overall averages seen in the spring. In fact, this transitional month stands out in the autumn lineup, as the likelihood of sunshine surpasses both the earlier summer months and the cooler days of October, which drops to 46%. As fall begins to set in, September not only offers a pleasant mix of warmth and brightness but also hints at the cycles of weather that play out through the seasons in this charming locale.
As September unfolds in Hampton Bays, daylight begins to wane, offering 12 hours of light—just a notch below the vibrant summer months. This marks a gentle decline from the 14 hours enjoyed in May and June, reflecting the transition from the long, sunlit days of summer to the shorter, cozy autumn evenings. The pattern is clear: as the year progresses, daylight gradually decreases, with October expected to deliver only 11 hours. This rhythmic change in daylight serves as a beautiful reminder of nature’s cycles, encouraging residents and visitors alike to savor the warm hues of early fall before the days grow even shorter in November and December.
As September arrives in Hampton Bays, the winds begin to transition from the calm of summer to a refreshing breeze, averaging around 6.0 m/s (13 mph). This month marks a subtle uptick compared to the waning summer months of July and August, which recorded their lowest speeds of 5.0 m/s (11 mph) and 4.9 m/s (11 mph), respectively. The gentle winds of September create a perfect backdrop for outdoor activities, as the energy in the air hints at the changing seasons ahead. Notably, as autumn settles in, wind speeds are set to rise again in October, reaching 6.6 m/s (15 mph), continuing a fascinating trend where the transition from summer to fall often brings an invigorating gustiness that residents and visitors alike have come to cherish.
The weather in Hampton Bays 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 Hampton Bays and find detailed weather information for every month.
In September, the weather is generally milder, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (80°F), and an average humidity of 68%. With around 93 mm (3.7 in) of precipitation over 10 days, it often feels warm and pleasant. In contrast, January experiences significantly colder temperatures, with averages dipping to a minimum of -13°C (10°F) and a maximum of 13°C (56°F). The humidity in January is higher at 84%, and precipitation is similar at about 90 mm (3.6 in) over 9 days, contributing to a much chillier and more bitter atmosphere. For more details on January weather, visit Hampton Bays weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a mild 13°C (56°F) to a warm 26°C (80°F), with an average of 20°C (69°F), making it a pleasant time of year. The month sees a moderate amount of rainfall, totaling 93 mm (3.7 in) over about 10 days, with humidity averaging 68%. In contrast, February brings much colder conditions, with temperatures dipping as low as -12°C (11°F) and averaging only 3°C (38°F). Precipitation is slightly higher at 124 mm (4.9 in) spread across 12 days, accompanied by a higher humidity level of 82%. For a detailed look at February's weather, you can visit Hampton Bays weather in February.
When comparing the weather in September and March, it’s clear that the two months offer vastly different climates. September enjoys milder temperatures with an average of 20°C (69°F) and highs reaching up to 26°C (80°F), while March is significantly cooler, with an average temperature of only 4°C (40°F) and a maximum of 15°C (59°F). Additionally, September experiences lower humidity at 68%, compared to March's higher humidity level of 81%. In terms of precipitation, both months see about 10 days of rain, but March has slightly more rainfall, totaling 115 mm (4.5 in) compared to September's 93 mm (3.7 in). For a more detailed look at weather conditions specific to March, you can check this link: Hampton Bays weather in March.
September and April offer distinctly different weather experiences. In September, temperatures are typically milder, ranging from a minimum of 13°C (56°F) to a comfortable maximum of 26°C (80°F), with an average around 20°C (69°F). The month sees about 93 mm (3.7 in) of precipitation over approximately 10 days, accompanied by a humidity level of 68%. In contrast, April is much cooler, with temperatures ranging from a chilly minimum of 0°C (33°F) to a maximum of 16°C (61°F), averaging just 8°C (47°F). Precipitation is slightly higher at 132 mm (5.2 in) spread over 12 days, and humidity levels are also elevated at 78%. For those interested in more specifics, you can learn more about Hampton Bays weather in April.
September generally offers warmer temperatures compared to May, with average highs reaching 26°C (80°F) while May peaks at 21°C (70°F). In September, the minimum temperature is noticeably higher at 13°C (56°F), compared to May's cooler minimum of 4°C (39°F). However, September experiences slightly less rainfall than May, receiving 93 mm (3.7 in) over about 10 days, while May sees 130 mm (5.1 in) over 12 days. Both months share similar humidity levels, hovering around 68-69%. For a detailed look at May weather specifics, you can visit Hampton Bays weather in May.
September and June present distinct yet mild weather patterns, making both months enjoyable for outdoor activities. In September, temperatures range from a minimum of 13°C (56°F) to a comfortable average of 20°C (69°F), peaking at around 26°C (80°F). The month typically sees about 93 mm (3.7 in) of precipitation over approximately 10 days, with humidity levels at 68%. Conversely, June starts slightly cooler with temperatures dipping to a minimum of 11°C (52°F) and averaging 18°C (65°F), reaching a maximum of 24°C (76°F). Rainfall is lighter in June, totaling around 64 mm (2.5 in) over about 8 days, with a similar humidity level of 69%. For a detailed look at June's weather, you can visit Hampton Bays weather in June.
The weather in September tends to be slightly cooler than in July, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 26°C (80°F) compared to July's range of 17°C (62°F) to 28°C (82°F). Both months feature similar levels of precipitation, with September receiving 93 mm (3.7 in) over 10 days and July slightly less at 89 mm (3.5 in) over the same number of days. However, September has a higher humidity level at 68%, while July remains a bit drier at 62%. For more specific insights, you can check the Hampton Bays weather in July.
In comparing the weather between August and September, we see notable differences in temperature and precipitation. August tends to be warmer, with an average temperature of 23°C (74°F), peaking at 27°C (81°F), while September cools down slightly, with an average of 20°C (69°F) and a maximum of 26°C (80°F). Both months experience similar levels of precipitation, with September receiving 93 mm (3.7 in) and August slightly higher at 103 mm (4.0 in), each with precipitation occurring on about 10 days. Humidity levels are also comparable, with September at 68% and August at 65%. For more details, you can check out Hampton Bays weather in August.
September typically experiences milder temperatures with an average of 20°C (69°F), while October sees a noticeable drop, bringing the average down to 16°C (62°F). The maximum temperatures in September can reach up to 26°C (80°F), compared to October's high of 24°C (75°F). However, October is generally wetter, receiving 156 mm (6.1 in) of precipitation over 13 days, compared to September's 93 mm (3.7 in) over 10 days. Additionally, October has slightly higher humidity at 74%, compared to September's 68%. For more detailed information, check Hampton Bays weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures range from a mild 13°C (56°F) to a warm 26°C (80°F), with an average of 20°C (69°F), and a relatively low humidity of 68%. The month experiences about 93 mm (3.7 in) of precipitation over 10 days. By November, however, temperatures drop significantly, with a minimum of -4°C (25°F) and a maximum of 19°C (67°F), averaging just 10°C (51°F). This month sees an increase in precipitation to 110 mm (4.3 in), while humidity rises to 82%. For detailed information, you can check out Hampton Bays weather in November.
In September, the weather is typically mild, with temperatures ranging from a comfortable 13°C (56°F) at night to a pleasant 26°C (80°F) during the day, accompanied by an average humidity of 68%. There's also a moderate amount of rainfall, averaging 93 mm (3.7 in) over about 10 days. In contrast, December brings much colder conditions, with minimum temperatures dropping to -8°C (18°F) and average highs of only 16°C (61°F). This month also sees increased precipitation at 146 mm (5.7 in) over 11 days, along with higher humidity at 80%. For more detailed information, you can check Hampton Bays weather in December.
As summer transitions to fall, September in Hampton Bays brings a welcome shift in weather patterns, offering a delightful balance between warmth and coolness. With daytime temperatures averaging around 20°C (69°F), it’s warmer than many other autumn months, yet the cooler evenings, dipping to 13°C (56°F), remind us of the changing seasons. This month also sees a slight uptick in precipitation, with about 93 mm (3.7 in) falling over 10 days, creating lush landscapes in the aftermath. The increased humidity at 68% contributes to a refreshing atmosphere, making September an ideal time for outdoor activities and enjoying the stunning natural beauty of the area. For a more detailed look at how September compares to other months, visit Hampton Bays Climate.