Last updated: February 24, 2025
In September, Boothbay, United States experiences a delightful transition in weather as summer gradually yields to autumn. The maximum temperature can reach a pleasant 30°C (86°F), while the average settles around a comfortable 17°C (64°F). Mornings may greet residents with cooler air, dipping as low as 4°C (39°F). This month sees a total precipitation of 71 mm (2.8 in) over 7 days, contributing to the region's lush surroundings. With an humidity level of 80%, the atmosphere often feels refreshing, making September an ideal time for outdoor activities amidst Boothbay’s natural beauty.
In September, Boothbay experiences a delightful transition as summer slowly gives way to fall. Temperatures hover between a minimum of 4°C (39°F) and a pleasant average of 17°C (64°F), reaching up to a comfortable 30°C (86°F) at their peak. This month showcases some of the warmest weather of the year, matching late summer's warmth while hinting at the cooler days ahead. The shift from the sweltering heights of summer to the crispness of autumn creates a perfect backdrop for outdoor activities, making it an ideal time to explore Boothbay's natural beauty before the chill sets in.
In September, Boothbay experiences a moderate shift in precipitation patterns, with 71 mm (2.8 in) of rainfall measured over just 7 days. This slight decline in both total precipitation and rainfall days from the preceding month marks an easing of summer’s wetter influence. The overall trend suggests a transition into the fall season, as rainfall becomes less frequent yet remains significant enough to sustain the region's lush landscapes. As October approaches, a notable increase in both precipitation amounts and rainy days is anticipated, typically heralding the onset of more pronounced autumn weather.
In Boothbay, United States, September brings a slight dip in humidity to around 80%, marking an easing of the summer's sticky embrace. This month continues the trend of relatively high humidity levels typical of the region, with figures hovering between 79% to 86% throughout the warmer months of June to August. As autumn sets in, humidity gradually decreases, aligning with October's expected drop to 77%. Overall, September serves as a transitional period, where the lingering warmth of summer meets the crispness of fall, making it a unique time to experience the shifting atmospheric conditions in this picturesque coastal town.
As September rolls into Boothbay, the UV Index experiences a shift from the peak summer levels, settling at a moderate high of 7. This change signals a transition back to safer outdoor conditions, yet it remains essential to maintain sun safety, especially with a burn time of just 25 minutes before sensitive skin could be at risk. The previous months of intense UV exposure, peaking at 10 in June and July, emphasize the gradual decrease as fall approaches. While outdoor activities can still be enjoyable under the warm September sun, it’s a reminder that vigilance in UV exposure is crucial year-round. For more insights on UV levels in Boothbay, visit Boothbay UV Index.
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As summer gracefully transitions into autumn, September in Boothbay brings a splendid embrace of sunshine with an impressive 286 hours of daylight. This marks a slight decline from the sun-drenched heights of August, which boasts a notable 336 hours. The month retains a generous share of sunshine, ensuring that the vibrant colors of fall can be fully appreciated under clear skies. Following the peak summer months, September heralds a gradual decrease in sunlight, yet it remains brighter than the earlier months, such as April and October. This trend not only signals the changing seasons but also invites locals and visitors alike to relish the idyllic outdoor experiences that Boothbay has to offer before the chill sets in.
In Boothbay during September, residents can look forward to a 42% chance of sunny weather, offering a glimmer of hope as summer winds down. This is a slight uptick from the previous months, particularly in July and August, where sunny days dropped to 27% and 31%, respectively. Interestingly, September stands out as one of the more promising months for sunshine, aligning closely with the brighter spells of early spring, particularly March, which boasts a 61% chance. As the leaves begin to change, the warmth of late summer lingers, making this month an appealing time for outdoor activities amidst a backdrop of unpredictable weather. Overall, September provides a nice balance of sunshine, hinting at the transition toward autumn while maintaining a splash of summer's charm.
As summer gracefully gives way to fall, September in Boothbay experiences a gentle shift in daylight duration, with the sun gracing the skies for 12 hours each day. This marks a slight reduction from the peak of 15 hours seen in the height of summer but remains more generous than the 10 hours typical in October. The month serves as a bridge between the long, sun-drenched days of summer and the shorter, crisp days of autumn. As nature begins to transition, the subtle ebb of daylight encourages residents and visitors alike to savor the shifting hues of the landscape, while still enjoying ample time outdoors before the days grow noticeably shorter.
As summer transitions into autumn, September's winds in Boothbay reveal a subtle yet refreshing shift in the air. With an average wind speed of 3.1 m/s (7 mph), September marks an increase from the calmest summer months of July and August, which saw speeds dip to 2.7 m/s (6 mph) and 2.4 m/s (5 mph), respectively. This resurgence in wind can be seen as a welcoming embrace of the cooler fall temperatures, setting the stage for the brisk breezes of October. Interestingly, despite fluctuations throughout the year, September maintains a consistent pace akin to early spring months, hinting at a rhythmic pattern in Boothbay’s climatic dance. Overall, the month serves as a gentle reminder that nature’s cycles are ever-present as the vibrant colors of autumn begin to paint the landscape.
The weather in Boothbay 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 Boothbay and find detailed weather information for every month.
September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 4°C (39°F) at night to a warm 30°C (86°F) during the day, with an average of 17°C (64°F). The month sees about 71 mm (2.8 in) of precipitation spread over 7 days, accompanied by a relatively high humidity of 80%. In contrast, January brings frigid temperatures, with lows plummeting to -24°C (-10°F) and daytime highs only reaching 13°C (55°F), averaging around -4°C (26°F). Precipitation increases slightly to 84 mm (3.3 in) over 8 days, and humidity remains high at 85%. For more detailed information, visit Boothbay weather in January.
September and February present a stark contrast in weather dynamics. September boasts much warmer temperatures, with a minimum of 4°C (39°F) and an average of 17°C (64°F), peaking at 30°C (86°F). The month experiences significant humidity at 80% and moderately distributed precipitation totaling 71 mm (2.8 in) over about 7 days. In contrast, February is quite chilly, where temperatures can plunge to a minimum of -20°C (-4°F), with an average of -3°C (27°F) and a maximum reaching only 16°C (62°F). February also sees a higher total precipitation of 85 mm (3.3 in), spread over roughly 10 days, and humidity levels slightly higher at 86%. For a detailed view of February conditions, check out Boothbay weather in February.
September and March present contrasting weather experiences, with September enjoying milder temperatures that range from a minimum of 4°C (39°F) to a maximum of 30°C (86°F) and averaging around 17°C (64°F). In contrast, March is significantly colder, featuring temperatures that drop as low as -17°C (3°F) and average just 1°C (33°F), peaking at 18°C (64°F). Both months share similar precipitation levels, measuring 71 mm (2.8 in), but March sees slightly more rainy days, with precipitation occurring on 8 days compared to 7 in September. Humidity is relatively high in both months, at 80% in September and 84% in March. For a closer look at March weather specifics, you can visit Boothbay weather in March.
When comparing the weather in September and April, we see notable differences. September offers warmer temperatures, with averages around 17°C (64°F) and highs reaching up to 30°C (86°F), while April's average temperature sits at just 7°C (44°F) with maximums of 26°C (79°F). In terms of precipitation, April receives significantly more rain, totaling 118 mm (4.6 in) over about 12 days, compared to September's 71 mm (2.8 in) over 7 days. Interestingly, humidity levels are quite similar, with September at 80% and April slightly lower at 79%. For more specific details on April conditions, you can refer to Boothbay weather in April.
In comparing the weather of September and May, we see distinct characteristics in temperature and precipitation patterns. September boasts a wider temperature range, with minimums at 4°C (39°F) and maximums reaching up to 30°C (86°F), while May's temperatures are cooler, ranging from 2°C (35°F) to a maximum of 29°C (84°F). Despite both months experiencing similar levels of precipitation—71 mm (2.8 in) in September and 73 mm (2.9 in) in May—September witnesses slightly fewer rainy days, averaging 7 days compared to May's 10. Additionally, humidity levels remain relatively high in both months, with September sitting at 80% and May at 79%. For more specific insights, you can check out Boothbay weather in May.
In comparing the weather between September and June, we see some notable differences. September features slightly cooler temperatures, with a minimum of 4°C (39°F) compared to June's 6°C (43°F), and an average high of 30°C (86°F) against June's maximum of 33°C (92°F). Precipitation in September is marginally higher, with 71 mm (2.8 in) falling over 7 days, while June experiences 61 mm (2.4 in) over 9 days, suggesting more frequent but less intense rain. Additionally, humidity levels are relatively high in both months, with September at 80% and June slightly higher at 86%. For a detailed look at the weather conditions specific to June, you can visit Boothbay weather in June.
Comparing the weather between September and July reveals notable differences in temperature and precipitation. September tends to have a wider temperature range, with minimums of 4°C (39°F) and maximums reaching 30°C (86°F), while the average temperature sits at a moderate 17°C (64°F). In contrast, July is typically warmer, featuring minimums of 8°C (47°F) and maximums up to 34°C (94°F), with an average of 21°C (71°F). Additionally, July experiences higher precipitation at 110 mm (4.3 in) over 10 days, compared to September's 71 mm (2.8 in) across 7 days. Humidity levels are slightly higher in July at 85%, compared to September's 80%. For more detailed insights, you can check Boothbay weather in July.
In comparing the weather of September to August, September experiences a wider temperature range, with minimums dropping to 4°C (39°F) and maximums reaching 30°C (86°F), resulting in an average temperature of 17°C (64°F). In contrast, August is generally warmer, with minimum temperatures at 11°C (52°F), an average of 21°C (71°F), and maximums peaking at 33°C (91°F). Precipitation levels are fairly close, with September receiving 71 mm (2.8 in) over 7 days, while August has slightly higher precipitation at 74 mm (2.9 in) over 9 days. Humidity also remains high in both months, but is slightly lower in September at 80%, compared to 83% in August. For more detailed weather insights, you can check Boothbay weather in August.
September tends to be warmer, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), while October sees a drop in temperatures, hovering between 0°C (32°F) and 25°C (77°F) with an average of 12°C (53°F). October also experiences more precipitation, totaling 128 mm (5.1 in) over 11 days, compared to September's 71 mm (2.8 in) across 7 days. Additionally, October's humidity is slightly lower at 77%, compared to September's 80%. For more detailed weather information, you can visit Boothbay weather in October.
In September, the weather is generally warm, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 30°C (86°F), averaging around 17°C (64°F). The month sees about 71 mm (2.8 in) of precipitation over approximately 7 days, and the humidity remains high at 80%.
In contrast, November brings significantly cooler temperatures, with a minimum of -13°C (8°F) and a maximum of 19°C (66°F), averaging just 4°C (40°F). The precipitation increases to 111 mm (4.4 in) over 11 days, while humidity stays consistent at 80%. For a more detailed look at November weather, check Boothbay weather in November.
The transition from September to November highlights a stark shift from warm and humid conditions to cold and damp weather.
In September, the weather is generally warm and pleasant, with average temperatures hovering around 17°C (64°F) and a maximum of 30°C (86°F). However, it often experiences high humidity levels of about 80% and some precipitation, totaling 71 mm (2.8 in) over approximately 7 days. In contrast, December brings a starkly different climate, characterized by significantly colder temperatures ranging from a minimum of -23°C (-9°F) to a maximum of 15°C (60°F), with an average temperature of -1°C (30°F). The month also sees increased precipitation, reaching 121 mm (4.8 in), and slightly more frequent wet days at 10. For more information about the December weather specifics, you can check out Boothbay weather in December.
As September rolls into Boothbay, the weather begins to shift, offering a unique blend of warmth and coolness that stands apart from the sultry summer months. With an average temperature that is significantly cooler than August yet still occasionally flirting with highs of 30°C, September is a delightful transition into fall. The month experiences a moderate amount of precipitation, including several days of light rain, which nourishes the vibrant foliage preparing for its autumnal display. With humidity levels hovering around 80%, the air feels crisp yet refreshing, contrasting sharply with the muggy conditions of peak summer. This month not only marks a change in temperature but also invites you to embrace the beauty of nature as it subtly transforms. For more detailed insights into how these changes affect the region, check out Boothbay Climate.