Last updated: February 24, 2025
In September, Bay Harbor experiences a delightful transition as summer gives way to fall, with temperatures ranging from a comfortable minimum of 5°C (41°F) to a warm maximum of 28°C (82°F). The average temperature settles at 16°C (62°F), inviting both locals and visitors to enjoy the mild days. However, this month also sees 90 mm (3.5 in) of precipitation over approximately 12 rainy days, contributing to the area's 79% humidity. Embrace the refreshing breezes and scenic views, making September a unique time to explore the coastal beauty of Bay Harbor.
As September arrives in Bay Harbor, temperatures begin to reflect the transition from summer warmth to the crispness of fall. With a minimum of 5°C (41°F) and an average of 16°C (62°F), the days remain comfortably mild, peaking at a pleasant maximum of 28°C (82°F). This month marks a gentle decline from the balmy summer days of August, serving as a refreshing precursor to the cooler months ahead. Witnessing an average temperature drop of around 4°C from the preceding month, September invites residents and visitors to enjoy outdoor activities while basking in the last glimmers of warmth before autumn casts its cooler shadows.
In September, Bay Harbor experiences a notable precipitation total of 90 mm (3.5 in), indicating a slight dip compared to the preceding months of summer, yet maintaining a steady rhythm within the yearly pattern. With rain spread over 12 days, this marks a continuation of the wetter conditions characterized by previous months, particularly the heavier downpours of April and May. Interestingly, September serves as a transitional month, where the lingering warmth of summer gradually gives way to the crispness of autumn. The rainfall during this time not only nourishes the local landscape but also sets the stage for the significantly wetter months ahead, such as October, which typically receives an average of 159 mm (6.3 in). Overall, September's precipitation highlights the ongoing environmental shift and prepares Bay Harbor for the seasonal changes that follow.
In September, Bay Harbor experiences a slight increase in humidity, rising to 79% after the summer months. This marks a transition from the lower humidity levels seen in July and August, which hovered around 75% and 76%, respectively. The trend suggests a gradual return to the more humid conditions typical of fall, as indicated by the higher levels in October and onwards. Overall, September serves as a pivotal month, balancing the drier summer air with the approaching moisture of fall, making it a uniquely vibrant time in Bay Harbor.
As September rolls in Bay Harbor, the UV Index stands at a high rating of 7, signaling a shift from the very high levels experienced during the summer months. With a burn time of 25 minutes, it's a reminder that although summer is winding down, sun safety remains crucial. The trend reveals a gradual decrease in both UV intensity and skin exposure risk from May through September, aligning with the changing seasons. This month, residents and visitors alike should remain vigilant and consider appropriate sun protection strategies, especially during peak hours. For more detailed information on UV levels throughout the year in this region, visit the Bay Harbor UV Index.
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As the summer fades, September in Bay Harbor continues to bask in the glow of sunshine with 279 hours of daylight, marking a gentle transition from the vibrant, sun-drenched months of summer. The peak sunlight is reflected in July's impressive 363 hours, creating a warm backdrop for the summer activities that thrive in this charming locale. While September's hours dim compared to the sweltering heights of June and July, they still offer ample opportunity for outdoor adventures and leisurely strolls, particularly as the warmth begins to cool into autumn. This month serves as a poignant reminder that while the days may grow shorter, the allure of the lingering sunshine and the picturesque scenery remain, inviting locals and visitors alike to embrace the beauty of seasonal change.
As summer transitions into fall, September in Bay Harbor holds an exciting promise for sunny days, boasting a 52% chance of sunshine—a continuation of the summer's favorable weather. This saturated rate mirrors the sunny spells of July and August, highlighting a trend where the warmest months typically offer the most sun. As the daylight begins to wane, September's consistent brightness sets it apart from the cooler months to come, making it an ideal time to enjoy outdoor activities before autumn shades take over. With sunshine lingering in the air, September invites residents and visitors alike to revel in the beauty of the season while it lasts.
As summer transitions into autumn, September in Bay Harbor brings a gentle decrease in daylight hours, averaging 12 hours of sunlight. This gradual decline from the peak of 15 hours in June and July mirrors the shifting seasons, highlighting a consistent pattern where daylight length peaks in the heart of summer before tapering off. Following the vibrant energy of summer, September’s light invites a more tranquil atmosphere, signaling the approach of cozy autumn days. With each passing month, as daylight reduces to 10 hours by October and further dwindles to 8 hours in December, residents can embrace the crisp, changing landscape while cherishing the fleeting warmth of early fall.
As September arrives in Bay Harbor, the wind begins to pick up, echoing the dynamic shifts of the changing seasons. With an average wind speed of 4.6 m/s (10 mph), September mirrors the calm of January and April, creating a refreshing breeze that invites residents and visitors alike to enjoy outdoor activities. This gentle resurgence follows a warmer summer, where winds tapered off to 3.5 m/s (8 mph) in July and August. As fall approaches, the anticipation of stronger gusts hints at the increasing winds slated for the coming months—particularly November, which boasts a brisk 5.5 m/s (12 mph). This seamless transition from summer's warmth to autumn's spirited breath underscores the unique charm of Bay Harbor's weather patterns, blending tranquility with the promise of invigorating change.
The weather in Bay Harbor 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 Bay Harbor and find detailed weather information for every month.
September and January present strikingly contrasting weather conditions. In September, temperatures range from a mild 5°C (41°F) at night to a comfortable average of 16°C (62°F) during the day, with maximums reaching up to 28°C (82°F). The month experiences about 90 mm (3.5 in) of precipitation over roughly 12 days, coupled with a humidity level of 79%. In contrast, January is markedly colder, with minimum temperatures plummeting to -20°C (-4°F) and an average of -5°C (23°F) during the day, peaking at only 8°C (47°F). Precipitation in January totals around 65 mm (2.6 in) over 14 days, and humidity rises slightly to 91%. For a deeper look into January conditions, check out Bay Harbor weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a mild 5°C (41°F) at night to a warm 28°C (82°F) during the day, with an average of 16°C (62°F). The month sees about 90 mm (3.5 in) of precipitation over approximately 12 days, and humidity levels hover around 79%. In contrast, February experiences chillier conditions, with temperatures dipping as low as -18°C (1°F) and averaging -5°C (23°F). The maximum temperature only reaches 10°C (51°F), and while precipitation is slightly lower at 76 mm (3.0 in), it occurs over more days—approximately 16. The humidity in February is higher at 91%, adding to the overall cold and damp feeling. For a closer look at weather patterns during this month, you can check out Bay Harbor weather in February.
When comparing the weather in September and March, striking differences emerge. September showcases a comfortable climate with an average temperature of 16°C (62°F) and maximum highs reaching 28°C (82°F), while precipitation averages around 90 mm (3.5 in) over 12 days, accompanied by a humidity level of 79%. In contrast, March experiences a much chillier atmosphere, with average temperatures around -1°C (30°F) and lows dipping as low as -17°C (2°F). Although precipitation is lower at 63 mm (2.5 in) over the same number of days, humidity is slightly higher at 87%. For a more detailed breakdown of March weather, visit Bay Harbor weather in March.
In September, the weather in Bay Harbor is generally warmer, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F) and an average of 16°C (62°F). While there is some precipitation, totaling around 90 mm (3.5 inches) over approximately 12 days, the humidity is slightly lower at 79%. In contrast, April experiences cooler temperatures, with a minimum of -9°C (16°F) and an average of 4°C (39°F). The maximum temperature reaches 20°C (68°F), but precipitation is slightly higher at 99 mm (3.9 inches) over 14 days, accompanied by increased humidity of 87%. For more details on April weather, you can check out Bay Harbor weather in April.
September and May present distinct weather profiles, with May typically experiencing cooler temperatures ranging from a minimum of -2°C (29°F) to a maximum of 29°C (84°F), while September boasts a milder range, from a minimum of 5°C (41°F) to a maximum of 28°C (82°F). Rainfall is slightly higher in May, totaling 108 mm (4.3 in) over 11 days, compared to September's 90 mm (3.5 in) across 12 days. Humidity levels are similar, with September at 79% and May at 82%, creating a relatively moist atmosphere in both months. For a more detailed look at May weather, you can visit Bay Harbor weather in May.
When comparing the weather in September and June, both months feature similar temperature ranges, with minimums of 5°C (41°F) in September and 4°C (39°F) in June, and maximums peaking at 28°C (82°F) for both months. The average temperature remains steady at around 16°C (60°F) to 16°C (62°F). However, June tends to be slightly wetter, with 103 mm (4.1 in) of precipitation compared to September's 90 mm (3.5 in), although both months experience precipitation on 12 days. Humidity levels are consistent at 79% for both months, creating a muggy feel. For more detailed insights on June weather, check this link: Bay Harbor weather in June.
In comparing the weather of September and July, September generally offers cooler temperatures, with a minimum of 5°C (41°F) and an average of 16°C (62°F), while July has warmer temperatures, with a minimum of 12°C (53°F) and an average of 20°C (68°F). Both months experience similar precipitation levels, with September recording 90 mm (3.5 in) over 12 days, and July slightly lower at 89 mm (3.5 in) over 9 days. Additionally, humidity is a bit higher in September at 79%, compared to 75% in July. For more detailed information on July weather, you can refer to Bay Harbor weather in July.
In comparing the weather between August and September, September experiences a notable drop in minimum temperatures, with lows averaging around 5°C (41°F) compared to August's 10°C (50°F). While both months see similar maximum temperatures that peak at around 28°C (82°F), September's average temperature is slightly cooler at 16°C (62°F) versus August's 20°C (68°F). Precipitation levels are fairly comparable, with September recording 90 mm (3.5 in) across 12 days and August with 97 mm (3.8 in) over 10 days. Interestingly, September's humidity is slightly higher at 79%, compared to August's 76%, contributing to the overall feeling of mugginess. For more detailed insights on August weather, check out Bay Harbor weather in August.
September and October show a notable transition in weather patterns. In September, temperatures range from a mild 5°C (41°F) at night to a warm 28°C (82°F) during the day, while October brings cooler averages, with minimums dropping to -1°C (30°F) and maximums peaking at 24°C (75°F). Precipitation also increases in October, totaling 159 mm (6.3 in) over 18 days compared to September's 90 mm (3.5 in) over 12 days. This shift corresponds with a slight rise in humidity from 79% in September to 83% in October, reflecting the often wetter conditions of the latter month. For more detailed insights, check Bay Harbor weather in October.
September typically features a warmer climate, with average temperatures around 16°C (62°F) and maximums reaching up to 28°C (82°F), whereas November brings a significant drop in temperature, averaging just 3°C (37°F) and dipping to a minimum of -13°C (10°F). Both months experience considerable precipitation, with September receiving 90 mm (3.5 in) over 12 days and November slightly higher at 97 mm (3.8 in) over 18 days. Humidity levels also increase from September's 79% to November's 86%, contributing to a chillier and more overcast atmosphere as the seasons transition. For a detailed breakdown of November's weather specifics, you can visit Bay Harbor weather in November.
In September, temperatures in Bay Harbor range from a mild minimum of 5°C (41°F) to a warm maximum of 28°C (82°F), with an average of 16°C (62°F). The month experiences about 90 mm (3.5 in) of precipitation over 12 days, accompanied by a humidity level of 79%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -17°C (2°F) and an average of -2°C (29°F), peaking at a maximum of 14°C (57°F). The precipitation remains similar at 91 mm (3.6 in) but occurs over 17 days, resulting in a higher humidity level of 87%. For a more detailed look at December's weather patterns, check out Bay Harbor weather in December.
As September unfolds in Bay Harbor, the weather begins to shift dramatically compared to the summer months, offering a refreshing blend of warmth and crispness. With temperatures ranging from pleasant highs to cooler lows, this month showcases a unique transitional climate that invites both outdoor exploration and cozy indoor gatherings. While humidity remains relatively high, the frequent, albeit moderate, precipitation introduces a refreshing change to the scenery, enhancing the vibrant colors of early autumn. This blend of warmth and moisture sets the perfect stage for experiencing the natural beauty of the area. For a deeper understanding of the seasonal variations, explore our detailed page on Bay Harbor Climate.