Last updated: February 24, 2025
September in Vineyard Haven offers a delightful experience with temperatures averaging 20°C (67°F), gently rising to a maximum of 25°C (78°F), while dipping to a comfortable minimum of 14°C (57°F). This month also sees 117 mm (4.6 in) of rainfall over 10 days, contributing to the region's lush landscapes. With humidity levels around 75%, the air is pleasantly balmy, making it an ideal time for outdoor activities and exploration. Whether you're strolling along the picturesque shores or indulging in local flavors, September’s weather sets the perfect backdrop for memorable experiences in this charming coastal town.
In September, Vineyard Haven experiences a delightful transition as summer gives way to autumn. With minimum temperatures at 14°C (57°F) and average highs reaching 25°C (78°F), the weather remains comfortably warm, striking a perfect balance for outdoor activities. This month showcases a noticeable dip in temperatures compared to the sizzling heat of August, yet it retains a pleasant vibe that invites both locals and visitors to enjoy the picturesque scenery. As the days grow shorter and the leaves begin to change, September's mild 20°C (67°F) average makes it an ideal time for scenic walks, beach outings, and harvest festivals, embodying the gentle charm of early fall in New England.
In September, Vineyard Haven experiences a notable increase in precipitation, with 117 mm (4.6 in) of rain falling over 10 days. This marks a shift from the drier summer months, as both July and August recorded lower totals of 84 mm (3.3 in) and 86 mm (3.4 in), respectively. The autumn transition brings a mix of both moisture and cooler temperatures, preparing the region for the rainier October, which sees a significant uptick to 168 mm (6.6 in). Overall, September serves as a bridge between the dry heat of summer and the wetter conditions of fall, creating a dynamic climate that supports the lushness of Vineyard Haven.
As summer gives way to autumn, September in Vineyard Haven sees a notable shift in humidity levels, landing at a comfortable 75%. This marks a gradual decline from the higher averages of the previous months, where humidity hovered around 76% in both July and August. The steady drop from January’s 84% to September’s levels highlights a trend toward drier conditions as the year progresses. Following the humidity peak in the early months, this transition signals the approach of fall, offering a refreshing reprieve before the humidity rises again in late autumn. Overall, September's mild humidity creates an inviting atmosphere for enjoying the beauty of the changing season.
In Vineyard Haven, September ushers in a UV Index of 8, indicating very high exposure levels that require caution. As summer wanes, the intensity of UV radiation remains significant, matching August's peak levels. Interestingly, the burn time stays at a brisk 15 minutes, reflecting a consistent need for sun protection even as temperatures begin to cool. This trend showcases how late summer sun can still pose a risk, emphasizing the importance of vigilance in skin protection. As we move into October, the UV Index dips to 6, hinting at a gradual decrease in sun intensity. For more insights on UV levels throughout the year, check out Vineyard Haven UV Index.
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As summer gracefully transitions into autumn, September in Vineyard Haven continues to bask in a generous 280 hours of sunshine, making it a splendid month for outdoor activities. Following the peak of 346 hours in July, the sunlight begins to soften, yet remains abundant, outshining the earlier months of the year like January and February. This impressive total shows that while days grow shorter, the warmth of summer lingers, inviting locals and visitors alike to savor the beauty of the vineyard under a golden sun. The gradual decline in sunshine hours through the season might hint at the approach of fall, but September still radiates a vibrant warmth that encourages exploration and enjoyment of the region's breathtaking landscapes.
In Vineyard Haven, the likelihood of sunny weather in September presents a delightful opportunity, boasting a 50% chance of sunshine. This marks a notable increase compared to the summer months, where the prospects linger around the low to mid-30s, indicating that as the season transitions, the chances of bright skies become more favorable. Interestingly, September's probability also surpasses that of October and maintains a competitive edge over the preceding months of the year, except for March and November. This trend highlights September as a sweet spot for enjoying outdoor activities, perfectly balancing pleasant weather before the chill of autumn fully sets in.
As September unfolds in Vineyard Haven, the days begin to gradually shorten, with 12 hours of daylight marking a gentle transition from the lively summer months. This reduction follows a peak of 15 hours in June and reflects a consistent trend of diminishing sunlight, leading down to 9 hours by December. Throughout the year, daylight duration dances in harmony with the changing seasons, starting at 9 hours in January, then steadily increasing to a delightful 14 hours in May, before tapering off once again. This ebb and flow not only shapes the natural rhythm of the area but also paints a beautiful canvas for the vibrant autumn landscapes that are soon to arrive.
As summer winds down, September in Vineyard Haven experiences a slight revival in wind speed, averaging 5.9 m/s (13 mph). This marks a gentle increase from the languid breezes of August, which dipped to their lowest at 4.9 m/s (11 mph). Interestingly, September's winds reflect a seasonal transition, suggesting a freshening touch as autumn approaches. While the month does not reclaim the brisk winds of earlier in the year, it signals a shift from the quieter summer months, setting the stage for the steadier gusts of October and November, both returning to 6.6 m/s (15 mph). This subtle rise underscores the region's dynamic climate, where each month offers its unique atmospheric character.
The weather in Vineyard Haven 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 Vineyard Haven and find detailed weather information for every month.
September and January exhibit strikingly different weather patterns. In September, temperatures range from a mild 14°C (57°F) to a warm 25°C (78°F), accompanied by an average humidity of 75% and considerable rainfall of 117 mm (4.6 in) over approximately 10 days. In contrast, January presents a stark chill, with temperatures plummeting between -16°C (4°F) and a maximum of just 13°C (55°F). The month sees less precipitation at 93 mm (3.7 in) over 9 days, but the humidity rises to 84%, creating a crisp and cold atmosphere. For a closer look at how Vineyard Haven's January weather specifically unfolds, you can find details here: Vineyard Haven weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a warm 25°C (78°F) during the day, with an average of 20°C (67°F). However, this month also sees significant precipitation, totaling 117 mm (4.6 in) over about 10 days, accompanied by a humidity level of 75%. In contrast, February experiences much colder temperatures, with lows plummeting to -12°C (11°F) and daytime highs peaking at 12°C (53°F), averaging just 2°C (36°F). Despite the chilly climate, February has a similar overall precipitation level at 118 mm (4.6 in), spread across about 12 days, and a higher humidity rate of 84%. For a detailed look at February weather specifics, you can explore Vineyard Haven weather in February.
When comparing the weather in September and March, we see a stark contrast in temperatures and overall conditions. September boasts a mild climate, with average temperatures ranging from a minimum of 14°C (57°F) to a comfortable maximum of 25°C (78°F), accompanied by a lower humidity of 75%. In contrast, March is much cooler, with temperatures dipping as low as -9°C (17°F) and averaging just 3°C (38°F), resulting in a chilly atmosphere with higher humidity at 82%. Both months experience similar precipitation levels, with rainfall occurring on about 10 days. For a more detailed look at March weather, you can visit Vineyard Haven weather in March.
When comparing the weather in September and April, a noticeable difference in temperature is evident. September tends to be much warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 25°C (78°F). In contrast, April's cooler temperatures range from a minimum of 1°C (33°F) to a maximum of 16°C (61°F), making it feel significantly chillier. Additionally, precipitation levels are fairly similar, with September receiving about 117 mm (4.6 in) over 10 days and April having slightly more at 133 mm (5.3 in) over 12 days. Humidity levels are also comparable, with September at 75% and April slightly higher at 79%. For more detailed insights, you can explore Vineyard Haven weather in April.
When comparing the weather in September and May, September boasts a warmer climate with average temperatures reaching 20°C (67°F) and highs of 25°C (78°F), while May features cooler conditions, with average temperatures only at 12°C (54°F) and a maximum of 20°C (67°F). Both months experience similar levels of precipitation, with September seeing 117 mm (4.6 in) over about 10 days and May slightly wetter at 119 mm (4.7 in) over 13 days. Interestingly, humidity remains constant between the two months at 75%, making both September and May feel similarly muggy despite the temperature differences. For a closer look at May's weather specifics, check out Vineyard Haven weather in May.
When comparing the weather in September and June, September tends to be slightly warmer, with average temperatures reaching around 20°C (67°F) compared to June's average of 17°C (63°F). Additionally, September sees higher maximum temperatures, peaking at 25°C (78°F), while June's maximum is 23°C (74°F). While both months experience precipitation on about 10 days, September receives more rainfall, totaling 117 mm (4.6 in) compared to June's 90 mm (3.5 in). Humidity levels are also comparable, with September at 75% and June at 78%. For more detailed insights about June's weather specifically, you can check out Vineyard Haven weather in June.
In comparing the weather of September and July, 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), while July features warmer averages, with minimum temperatures at 16°C (61°F) and maximums reaching 27°C (81°F). September also sees a higher amount of precipitation, with 117 mm (4.6 in) over approximately 10 days, compared to July's 84 mm (3.3 in) across 9 days, making it a slightly wetter month. Humidity levels remain comparable, with September at 75% and July at 76%. For more detailed insights into July weather, you can check this link: Vineyard Haven weather in July.
In comparing the weather of September to August, we see a notable shift in temperatures and precipitation patterns. September typically experiences slightly cooler temperatures, with a minimum of 14°C (57°F) and an average of 20°C (67°F), compared to August's minimum of 17°C (63°F) and average of 22°C (73°F). Additionally, September tends to be a wetter month, receiving 117 mm (4.6 in) of precipitation over 10 days, compared to August's 86 mm (3.4 in) over 9 days. Humidity levels remain quite similar, with September recording 75% and August slightly higher at 76%. For those interested in a detailed look at August's weather, visit Vineyard Haven weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a comfortable 25°C (78°F) during the day, with an average of 20°C (67°F). The month experiences about 117 mm (4.6 in) of precipitation over approximately 10 days, while humidity remains at 75%. In contrast, October brings cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (60°F), peaking at 22°C (72°F). Precipitation increases to 168 mm (6.6 in) over 12 days, maintaining the same humidity level of 75%. For those interested in a deeper dive into October weather specifics, you can check out Vineyard Haven weather in October.
September generally offers milder temperatures, with averages around 20°C (67°F) and highs reaching up to 25°C (78°F). In contrast, November sees a significant drop in temperatures, with average highs around 9°C (49°F) and minimum lows dipping to -6°C (21°F). While both months feature rainfall over approximately 10 days, September experiences more precipitation at 117 mm (4.6 in) compared to November's 103 mm (4.0 in). Humidity levels are relatively similar, with September at 75% and November slightly higher at 80%. For a detailed look at November’s weather, you can check out Vineyard Haven weather in November.
September and December present striking contrasts in weather. September enjoys milder temperatures, with averages around 20°C (67°F) and highs reaching up to 25°C (78°F), alongside a relatively high humidity of 75%. However, it's also marked by considerable rainfall, totaling 117 mm (4.6 in) over approximately 10 days. In contrast, December brings a significant drop in temperature, with an average of just 4°C (40°F) and lows plunging to -12°C (11°F). December also sees a slightly higher precipitation level of 129 mm (5.1 in) spread over 11 days, coupled with a humidity increase to 80%. For more details on the weather in December, check out Vineyard Haven weather in December.
As September unfolds in Vineyard Haven, the weather shifts into a pleasant rhythm, offering a delightful blend of warm days and cool evenings. With an average temperature that hovers around a comfortable 20°C (67°F), this month stands out as a transitional period, marking a gentle departure from the warm summer months. The increased humidity at 75% often brings a refreshing feel, although it can lead to occasional rain, with about 10 days of precipitation and a total of 117 mm for the month. Compared to the hotter summer, September’s temperatures create a perfect backdrop for enjoying the beautiful coastal scenery as nature prepares for fall. For a deeper understanding of how September fits into the yearly climate profile, visit Vineyard Haven Climate.