Last updated: February 24, 2025
In September, Gloucester, United States, experiences a mild climate characterized by an average temperature of 18°C (65°F), with highs reaching a comfortable 26°C (80°F) and lows dipping to 11°C (53°F). The month sees an accumulation of 97 mm (3.8 in) of rain spread across approximately 8 days, contributing to a humidity level of 71%. This combination of warmth and moisture creates a pleasant, albeit slightly damp, atmosphere, making September an inviting time to explore the charm of Gloucester's landscape.
In September, Gloucester, United States, bids farewell to summer's heat while embracing the crispness of early autumn. With temperatures ranging from a minimum of 11°C (53°F) to a maximum of 26°C (80°F), the month showcases a pleasant average of 18°C (65°F). This transitional period brings a striking balance, as the peak warmth still allows for outdoor activities, while the cooler nights hint at the approaching fall. The trend from the previous months reveals a gentle decline in temperatures, setting the stage for the seasonal changes to come, making September a truly enchanting time in Gloucester.
In September, Gloucester experiences a moderate rainfall of 97 mm (3.8 in) spread over 8 days. This marks a slight increase from the drier month of August, which recorded only 62 mm (2.5 in) of precipitation. As summer gives way to fall, the rainfall begins to set the stage for the more significant downpours of October, which averages a noteworthy 177 mm (7.0 in). Despite September's relatively low precipitation days compared to other months, it plays a crucial role in replenishing local water sources as the region transitions into autumn, demonstrating a consistent rhythm in Gloucester's seasonal weather patterns.
In September, Gloucester experiences a rise in humidity, averaging around 71%. This marks a subtle increase from the low of 66% seen in August, signaling a shift as summer transitions to fall. Overall, the data reveals a clear trend: humidity is generally higher during the colder months, peaking in January at 86% and gradually decreasing as the year progresses toward summer. However, as autumn approaches, humidity bounces back somewhat, indicating a return of moisture in the air. This cyclical pattern highlights how September serves as a bridge between the drier summer and the wetter conditions of late autumn, making it a unique month in Gloucester's climatic landscape.
As summer transitions into fall in Gloucester, September brings a UV Index of 7, categorizing exposure as high and reducing burn time to 25 minutes. This marks a slight decrease from the peak levels experienced during the heart of summer, where the UV Index soared to 10 in June. The trend reflects an overall downward shift in UV intensity as the year progresses, yet it's essential to remain vigilant about sun safety, as September still poses significant risks. As you enjoy the changing seasons, remember to protect your skin. For more details, check out the comprehensive guide on the Gloucester UV Index.
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As the summer days ease into early autumn, September in Gloucester offers a delightful transition, basking in an impressive 280 hours of sunshine. This month stands out as a bridge between the blazing heat of July and August, which each boast 340 hours, and the cooler, cloudier days of October, with only 228 hours of sunlight. The trend throughout the year reveals a steady increase in sunlight from the winter months, starting with a modest 152 hours in January and peaking during the summer. This gradual accumulation of sunshine not only enhances the vibrancy of Gloucester's coastal landscape but also sets the perfect backdrop for outdoor activities and community gatherings as the leaves begin to change. In September, the warmth of summer mingles with the crisp air of fall, inviting both locals and visitors to savor the last golden rays before the season shifts.
As September rolls in, Gloucester experiences a notable uptick in the likelihood of sunny weather, boasting a 46% chance of sunshine. This increase stands out against the generally lower probabilities seen during the summer months, where July and August dip to 34% and 32%, respectively. Interestingly, September’s sunny prospects are a refreshing change compared to the inconsistent lighting of earlier months like April and May, which yield 42% and 39% chances. Additionally, the onset of autumn brings a slight anticipation for clearer skies as the chances of sun surpass the averages of the preceding months. As we transition into fall, it seems that September offers a sweet spot for those seeking warmth and brightness before the cooler days set in.
In September, Gloucester experiences a noticeable shift in daylight duration as summer comes to a close, providing 12 hours of sunlight. This is a gradual decrease from the 14 hours enjoyed in May and June, reflecting the seasonal transition toward autumn. As the days shorten, the warmth and vibrancy of summer fade, yet the crispness of early fall introduces a different charm to the landscape. Following September, daylight will continue to dwindle, dropping to 10 hours by October, highlighting the cyclical nature of the seasons in this picturesque region. The steady pattern of increasing and then decreasing daylight underscores Gloucester’s dance with nature, where each month brings its own unique atmosphere and experience.
As September arrives in Gloucester, the average wind speed experiences a slight rebound to 5.0 m/s (11 mph), a modest uptick following the summer's gentle breezes. This month serves as a transition, where winds gradually regain strength after the calmest summer months of July and August, which saw speeds drop to 4.4 m/s and 4.3 m/s, respectively. Looking ahead, the wind patterns are expected to pick up momentum, with October and November boasting increases to 5.9 m/s (13 mph) and 6.0 m/s (14 mph), signaling the onset of a brisker fall season. The trends illustrate a clear dynamic of ebb and flow in wind speeds, punctuating the seasonal transition with a reminder of nature's ever-changing rhythm.
The weather in Gloucester 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 Gloucester and find detailed weather information for every month.
In comparing the weather between September and January, a stark contrast becomes evident. September generally enjoys milder temperatures, with average highs around 18°C (65°F) and highs reaching 26°C (80°F), accompanied by moderate humidity at 71%. In contrast, January plunges into the cold, featuring an average temperature of just 1°C (33°F) and minimum lows that can plummet to -17°C (2°F). While both months have similar precipitation levels, September typically experiences its rainfall over 8 days, while January sees it over 9 days. Humidity in January rises to a higher 86%, contributing to the chilly atmosphere. For more detailed insights, you can check the Gloucester weather in January.
In September, the weather is generally mild and pleasant, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 26°C (80°F). The month experiences around 97 mm (3.8 in) of precipitation over approximately 8 days, coupled with a humidity level of 71%. In contrast, February presents a starkly different climate, with much colder temperatures averaging around 1°C (34°F), where lows can drop to -14°C (8°F) and highs reach only 12°C (55°F). This winter month witnesses more precipitation at 118 mm (4.6 in) across about 11 days, and higher humidity levels at 84%. For a deeper look into February's chilly conditions in Gloucester, visit Gloucester weather in February.
September and March present notably contrasting weather conditions. In September, temperatures are generally mild, ranging from a minimum of 11°C (53°F) to a maximum of 26°C (80°F), with an average of 18°C (65°F). The month sees about 97 mm (3.8 inches) of precipitation over 8 days, and humidity levels are at 71%. In stark contrast, March experiences much colder temperatures, with a minimum of -11°C (13°F) and a maximum of 14°C (57°F), leading to an average temperature of only 3°C (37°F). Additionally, March has higher precipitation levels at 111 mm (4.4 inches) over 11 days, along with increased humidity at 82%. For a detailed look at temperatures and conditions, check out Gloucester weather in March.
When comparing the weather in September and April, we see significant differences in temperature, precipitation, and humidity. September enjoys milder temperatures, with an average of 18°C (65°F) and a maximum of 26°C (80°F), while April is much cooler, with an average of just 7°C (45°F) and a maximum of 18°C (65°F). April also experiences higher precipitation, with 165 mm (6.5 in) falling over 13 days, compared to September's 97 mm (3.8 in) over just 8 days. Furthermore, April's humidity rises to 80%, slightly above September's 71%. For a deeper look into the specific weather patterns, you can check out Gloucester weather in April.
September and May feature quite different weather patterns. In September, temperatures typically range from a cool 11°C (53°F) to a warm 26°C (80°F), with an average of 18°C (65°F). In contrast, May sees a lower temperature range, with minimums around 4°C (39°F) and maximums reaching 22°C (72°F), averaging just 11°C (53°F). While September enjoys slightly less precipitation at 97 mm (3.8 in) over about 8 days, May has a higher total of 104 mm (4.1 in) across roughly 10 days. Both months exhibit high humidity levels, with September and May registering at 71% and 72%, respectively. For a detailed look at May's weather conditions, you can visit Gloucester weather in May.
In comparing the weather of September and June, we can see some similarities and slight differences. Both months experience a minimum temperature around 10°C (50°F), but September has a slightly higher average temperature of 18°C (65°F) compared to June's 16°C (62°F). Interestingly, while the maximum temperature reaches the same level of 26°C (79°F) in both months, September tends to be a bit wetter, with 97 mm (3.8 in) of precipitation over 8 days compared to June's 90 mm (3.6 in) over 9 days. Humidity levels are also comparable, with September at 71% and June slightly higher at 72%. For more insights into June weather in Gloucester, you can check out Gloucester weather in June.
In comparing the weather of September and July, we observe some notable differences. September tends to be slightly cooler, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 26°C (80°F), while July is warmer, averaging between 15°C (59°F) and 28°C (83°F). Precipitation levels are fairly similar, with September receiving 97 mm (3.8 in) over 8 days, whereas July experiences a bit more rain at 105 mm (4.1 in) across 11 days. Interestingly, humidity is slightly higher in September, recorded at 71% compared to July's 67%. For more detailed information about the weather in July, you can visit this link: Gloucester weather in July.
In comparison to August, September experiences cooler temperatures, with a minimum of 11°C (53°F) and an average of 18°C (65°F), whereas August has a minimum of 16°C (60°F) and an average of 21°C (70°F). The maximum temperatures also drop slightly in September, reaching 26°C (80°F) compared to August's 28°C (82°F). Additionally, September sees increased precipitation with 97 mm (3.8 in) over 8 days, while August has only 62 mm (2.5 in) also over 8 days. Humidity levels are slightly higher in September at 71%, compared to 66% in August, contributing to a more muggy feel as the season transitions. For more details, you can check Gloucester weather in August.
September and October exhibit notable contrasts in weather conditions. In September, temperatures range from a mild minimum of 11°C (53°F) to a warm maximum of 26°C (80°F), with an average of 18°C (65°F). Rainfall is moderate, with 97 mm (3.8 in) of precipitation over about 8 days, and humidity hovers around 71%. In contrast, October sees a significant drop in the minimum temperature to 3°C (37°F), with an average of 14°C (57°F) and a maximum of 22°C (72°F). The month is also wetter, with precipitation totaling 177 mm (7.0 in) over 12 days and humidity rising to 78%. For a closer look at the weather specifics, check out Gloucester weather in October.
September and November showcase a notable shift in weather patterns. In September, temperatures range from a mild 11°C (53°F) to a warm 26°C (80°F), with an average of 18°C (65°F), accompanied by 97 mm (3.8 in) of precipitation over 8 days and a humidity level of 71%. In contrast, November sees much cooler temperatures, with a minimum of -9°C (16°F) and an average of 7°C (46°F), peaking at 19°C (67°F). Precipitation increases slightly to 115 mm (4.5 in) over 11 days, while humidity rises to 84%. This transition highlights the distinct differences in climate as fall progresses into late autumn. For more information, visit Gloucester weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a mild 11°C (53°F) at night to a warm 26°C (80°F) during the day, with an average temperature of 18°C (65°F). The month is also relatively dry, with 97 mm (3.8 in) of precipitation over about 8 days, and humidity sits at 71%. In contrast, December ushers in much colder conditions, with temperatures plummeting to as low as -16°C (4°F) and averaging just 3°C (38°F). Precipitation increases to 150 mm (5.9 in) over about 10 days, and humidity rises to 81%, making it feel even chillier. For a comprehensive look at what December brings, check out Gloucester weather in December.
As summer gracefully transitions into fall, September in Gloucester offers a refreshingly mild climate that stands out from the sweltering heat of earlier months. With temperatures averaging around 18°C (65°F), this month brings a welcome chill, making outdoor activities particularly enjoyable. Although there is an uptick in humidity at 71%, the occasional showers, with 97 mm of precipitation over about 8 days, keep the landscape lush and vibrant. This sets September apart, as the combination of moderate temperatures and reduced rainfall compared to peak summer months creates an ideal backdrop for exploring the scenic beauty of Gloucester. For a deeper understanding of the seasonal changes, visit Gloucester Climate.