Last updated: February 24, 2025
September in Oak Bluffs, United States, presents a delightful blend of warm temperatures and moderate humidity. With maximum highs reaching 25°C (78°F) and average temperatures around 20°C (67°F), it’s an inviting month for outdoor activities. However, visitors should be prepared for the possibility of rain, as the area experiences around 117 mm (4.6 in) of precipitation over 10 days. The humidity level, averaging 75%, adds a touch of warmth to the air, creating a rich and vibrant atmosphere perfect for exploring the scenic beauty of this charming coastal destination.
In September, Oak Bluffs experiences a delightful transition into autumn, with temperatures reflecting this shift. The minimum temperature settles at a comfortable 14°C (57°F), while the average reaches a pleasant 20°C (67°F), peaking at a high of 25°C (78°F). This pattern marks a gradual decline from the warmth of summer, yet remains inviting for outdoor activities. Compared to the hotter months of July and August, September offers a milder climate, making it an ideal time for visitors to enjoy the scenic beauty of the area without the heat. As the days shorten and leaves begin to change, this month sets the perfect backdrop for the beauty of the coming fall season.
In September, Oak Bluffs experiences an average precipitation of 117 mm (4.6 inches), making it one of the wetter months of the year. This rainfall is distributed over about 10 days, slightly above the summer's drier conditions, reflecting a shift as the region transitions into autumn. The rain in September is comparable to previous months, like May, which sees 119 mm, yet has a more noticeable frequency as summer ends. As the landscape begins to change with the arrival of fall, this increase in precipitation not only nourishes the local flora but also prepares the area for the busier rains of October, which typically brings 168 mm (6.6 inches). This pattern highlights a seasonal rhythm in which late summer dryness gives way to a refreshing surge of rain, signaling nature’s preparation for the cooler months ahead.
In September, Oak Bluffs experiences a gradual decline in humidity, settling at 75%. This marks a continuation of the summer trend, where humidity levels hover around the mid-70s, providing a refreshing respite after the higher readings of late spring and early summer. As temperatures begin to cool, the humidity levels remain consistent with those observed in May and October, suggesting a gentle transition into fall. Overall, the monthly averages indicate a clear trend of decreasing humidity from the peak levels in January and February, gradually shifting towards a more comfortable climate that delights residents and visitors alike.
As summer transitions to fall in Oak Bluffs, September maintains a UV Index of 8, categorizing it as very high exposure. This is slightly lower than the peak summer months of June through August, where the UV Index reached 9, yet the burn time remains brisk at just 15 minutes. The steady UV levels throughout the warmer months highlight a notable trend; despite cooling temperatures, protection from the sun remains crucial during this time. As we anticipate the shift to October, when the UV Index drops to 6 and the burn time lengthens to 25 minutes, it's essential to stay aware of sun safety practices. For more insights on UV levels, visit Oak Bluffs UV Index.
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As September rolls into Oak Bluffs, residents and visitors alike can revel in a glorious transition from summer's peak sunshine to the charming hues of autumn. With 280 hours of sunlight, September marks a slight dip from the sun-drenched days of July and August, yet it still boasts a generous amount of bright days to soak in the beauty of the coastline. This month serves as a gentle reminder of summer's warmth while ushering in the cooler breezes of fall. Following a remarkable stretch of sunny months, the diminishing light in October prepares Oak Bluffs for its seasonal shift, yet the lingering warmth of September keeps spirits high and invites exploration of the picturesque surroundings. In this idyllic setting, every sunbeam feels like a final celebration of summer before the waning light of the year begins its slow descent.
In September, Oak Bluffs enjoys a notable increase in sunny days, with a 50% chance of sunshine, making it one of the brighter months of the year. This uptick comes after a steady decline in sun probability during the summer months, where chances dip to the mid-30s. As the warm hues of summer transition into the cooler tones of fall, September strikes the perfect balance, providing residents and visitors alike with ample opportunities to bask in the mild weather. Compared to the lower percentages observed earlier in the year, this mid-fall month stands out as a delightful time for outdoor activities and enjoying the scenic beauty of Oak Bluffs.
As September unfolds in Oak Bluffs, the days begin to shorten, marking a subtle transition toward autumn. With approximately 12 hours of daylight, the month embodies a perfect balance between the long, sun-drenched days of summer and the impending crispness of winter. This gradual decline from August's 13 hours signals the end of the peak daylight season, yet September still offers ample time to enjoy outdoor activities. As the year progresses, the pattern of diminishing daylight continues, leading into the shorter days of October. This cyclical rhythm of changing daylight serves as a reminder of nature's ever-shifting seasons, inviting residents and visitors alike to savor the fleeting warmth and vibrant colors that September brings.
In September, the winds of Oak Bluffs shift just slightly, averaging 5.9 m/s (13 mph), a gentle rise from the surprisingly calm breezes of summer, which dipped to their lowest in August at 4.9 m/s (11 mph). This shift suggests a transition, as the coastal community begins to embrace the onset of fall. The winds gradually regain strength heading into autumn, with October seeing a notable increase to 6.6 m/s (15 mph). Overall, this trend reflects the natural rhythm of the seasons in Oak Bluffs, where breezy September days invite locals and visitors alike to enjoy the refreshing air before winter settles in.
The weather in Oak Bluffs 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 Oak Bluffs and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a pleasant 25°C (78°F) during the day, with an average of 20°C (67°F). Though the month experiences more rainfall, accumulating 117 mm (4.6 in) over about 10 days, the humidity remains at a comfortable 75%. In stark contrast, January brings much colder temperatures, with nighttime lows plummeting to -16°C (4°F) and daytime highs reaching only 13°C (55°F), averaging just 2°C (35°F). Precipitation is slightly less at 93 mm (3.7 in) over 9 days, but humidity is higher at 84%. For more specific insights on January weather, visit Oak Bluffs weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a pleasant 25°C (78°F) during the day, accompanied by an average humidity of 75%. This month also sees a total precipitation of 117 mm (4.6 in) over about 10 days, indicating a somewhat rainy transitional season. In contrast, February brings much colder temperatures, with nighttime lows dropping to -12°C (11°F) and daytime highs reaching only 12°C (53°F). Although February experiences a similar amount of precipitation at 118 mm (4.6 in) spread over 12 days, the humidity is higher at 84%, which can make the cold feel even more biting. For a more detailed look at what to expect, check out Oak Bluffs weather in February.
September and March present stark contrasts in weather conditions. In September, temperatures are much milder, with averages around 20°C (67°F) and maximums reaching up to 25°C (78°F). The month sees a moderate level of humidity at 75% and experiences about 117 mm (4.6 in) of precipitation over 10 days. In contrast, March is still in the grip of winter chill, with average temperatures dropping to just 3°C (38°F) and maximums only reaching 13°C (55°F). The humidity is slightly higher at 82%, and it also receives roughly the same amount of precipitation at 116 mm (4.6 in) over the same number of days. For specific details about March weather, you can visit Oak Bluffs weather in March.
September typically offers warmer temperatures than April, with averages around 20°C (67°F) compared to April's cooler average of 8°C (46°F). While September enjoys a pleasant climate with maximum temperatures reaching up to 25°C (78°F), April's maximums are much lower at 16°C (61°F). However, both months experience a fair amount of precipitation, with September averaging 117 mm (4.6 in) over about 10 days and April closely following with 133 mm (5.3 in) across 12 days. Humidity levels are also relatively high in both months, with September at 75% and April slightly higher at 79%. For more detailed insights into April weather, you can check Oak Bluffs weather in April.
In September, the weather features milder temperatures with a minimum of 14°C (57°F) and an average of 20°C (67°F), reaching a maximum of 25°C (78°F). It experiences a total precipitation of 117 mm (4.6 in) over about 10 days, maintaining a humidity level of 75%. In contrast, May shows cooler temperatures, starting at a minimum of 4°C (40°F), with an average of 12°C (54°F) and peaking at 20°C (67°F). May also has slightly higher precipitation at 119 mm (4.7 in) spread across 13 days, while humidity remains consistent at 75%. For more details about May weather specifically, you can check Oak Bluffs weather in May.
When comparing the weather in September and June, September tends to be warmer, with average temperatures reaching 20°C (67°F), while June averages at 17°C (63°F). However, June has slightly cooler minimum temperatures, starting at 11°C (52°F), compared to September's 14°C (57°F). In terms of maximum temperatures, September peaks at 25°C (78°F), while June reaches a maximum of 23°C (74°F). Both months experience around 10 days of precipitation, but September receives a higher total rainfall of 117 mm (4.6 in) compared to June's 90 mm (3.5 in). Humidity levels are relatively similar, with September at 75% and June slightly higher at 78%. For more insights, you can check Oak Bluffs weather in June.
In comparison to July, September experiences slightly cooler temperatures, with average highs of 25°C (78°F) compared to July's 27°C (81°F). The minimum temperatures in September are also lower, at 14°C (57°F) versus July's 16°C (61°F). While both months feature similar humidity levels, September tends to be slightly more humid at 75% compared to July's 76%. Additionally, September sees more rainfall, with an average of 117 mm (4.6 in) over 10 days, while July has less precipitation at 84 mm (3.3 in) over 9 days. For more details about July weather, you can visit Oak Bluffs weather in July.
In comparing the weather between September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), compared to August's range of 17°C (63°F) to 26°C (80°F). The month of September also experiences more precipitation, recording 117 mm (4.6 in) over 10 days, while August sees 86 mm (3.4 in) over just 9 days. Humidity levels remain similar, with September at 75% and August at 76%. For a more detailed look at August conditions, you can check Oak Bluffs weather in August.
September typically features milder temperatures, with averages around 20°C (67°F) and highs reaching up to 25°C (78°F). In contrast, October brings a notable drop in temperatures, averaging 15°C (60°F) and peaking at 22°C (72°F), with chilly nights often dipping to 4°C (39°F). Precipitation also increases in October, totaling 168 mm (6.6 in) over about 12 days, compared to 117 mm (4.6 in) across 10 days in September. Despite the change in temperature and rainfall, the humidity remains consistent at 75%. For a closer look at the weather specifics for this time of year, visit Oak Bluffs weather in October.
September typically offers a milder climate with average temperatures ranging from 14°C (57°F) to 25°C (78°F), making it a comfortable month for outdoor activities. In contrast, November sees a significant drop in temperatures, with averages between -6°C (21°F) and 19°C (67°F), ushering in the chill of late autumn. While both months experience approximately 10 days of precipitation, November has slightly lower total rainfall at 103 mm (4.0 in) compared to September’s 117 mm (4.6 in). Humidity levels also rise in November to 80%, slightly increasing from September's 75%. For more detailed insights, check out Oak Bluffs weather in November.
September and December present vastly different weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 25°C (78°F), with an average of 20°C (67°F). The month experiences 117 mm (4.6 in) of precipitation across about 10 days, and humidity levels hover around 75%. In contrast, December sees much colder conditions, with temperatures plummeting to a minimum of -12°C (11°F) and an average of just 4°C (40°F). The maximum temperature in December reaches 16°C (61°F) and brings slightly higher precipitation at 129 mm (5.1 in) over 11 days. Humidity also increases slightly to 80%. For those curious about the wintry conditions, further details are available at Oak Bluffs weather in December.
September in Oak Bluffs marks a delightful transition from the warmth of summer to the cooler embrace of autumn. With comfortable temperatures averaging around 20°C (67°F) and a refreshing average humidity of 75%, the month offers a pleasant environment that stands out from the more scorching summer months. Although the occasional rain is likely, with about ten days seeing precipitation, this should not deter visitors, as the landscape comes alive with vibrant foliage and breathtaking sunsets. For those seeking a unique experience in Oak Bluffs, September provides an ideal blend of warmth and tranquility, making it a perfect time to explore the stunning surroundings. For further insights on seasonal patterns, check out the detailed Oak Bluffs Climate.