Last updated: February 24, 2025
In September, the United States Naval Academy experiences a dynamic climate, marked by a maximum temperature reaching 32°C (90°F) and an average of 23°C (73°F). The month features a varied range, with minimum temperatures dipping to 11°C (52°F), creating a cool contrast. With 113 mm (4.5 in) of precipitation spread over 10 days, the air is often laden with a 75% humidity, contributing to a muggy atmosphere. This transitional period invites students and visitors alike to enjoy a blend of warm sunny days and refreshing showers, setting the stage for the vibrant autumnal changes ahead.
In September, temperatures at the Naval Academy in the United States begin to show a significant transition from the sweltering summer months to the more temperate fall season. With a minimum temperature of 11°C (52°F) and a comfortable average of 23°C (73°F), the warmth of summer lingers. The month peaks with a maximum of 32°C (90°F), providing plenty of pleasant days for outdoor activities. This gradual cooldown from the high heat of July and August reflects a steady shift towards milder weather, as the academy prepares for the upcoming changes that autumn brings. Overall, September strikes a delightful balance, allowing for warm days and cool evenings, ideal for cadets to enjoy the stunning surroundings.
In September, the Naval Academy experiences a moderate precipitation level of 113 mm (4.5 in), accompanied by about 10 days of rain. This amount marks a slight decrease compared to the wetter summer months of July and August, which see notable peaks at 174 mm (6.9 in) and 159 mm (6.3 in), respectively. As fall begins to set in, September's rainfall reflects a transition towards drier conditions, aligning with the trend seen in October and November, where precipitation averages around 127 mm (5.0 in) and 86 mm (3.4 in). This gradual decline not only suggests a shift in the weather dynamics but also signals a change in the atmosphere on campus as students and faculty prepare for the crisp days of autumn.
As we transition into September at the Naval Academy in the United States, humidity levels settle at 75%, marking a subtle shift in the weather patterns. After experiencing a gradual decline from the high humidity of January (84%) down to August's lowest point (72%), September sees a slight uptick that hints at the approaching fall. This modest increase serves as a reminder of the lingering summer warmth before autumn's arrival. Notably, this month maintains a more comfortable atmosphere compared to the heavy humidity of late spring and early summer, setting the stage for the crisp days of October when levels rise again to 81%. Overall, September acts as a bridge, balancing the fading summer humidity with the promise of a more refreshing season ahead.
In September, the UV Index at the Naval Academy reaches 8, categorizing exposure as very high. This marks a slight decline from the peak summer months of June through August, where the UV Index consistently hit 10. Despite this reduction, the effective burn time remains a quick 15 minutes, urging sun safety awareness as the transition into autumn begins. As the year progresses, a notable trend emerges: winter months show a drop to moderate exposure levels, with January and December at 3. Awareness of these shifts is crucial for effective sun protection, making it important to stay informed year-round. For more insights on UV levels, visit Naval Academy UV Index.
UV Risk Categories
As summer wanes and the crispness of autumn approaches, September at the Naval Academy continues to bask in generous sunshine, with 281 hours gracing the month. This marks a notable shift from the peak brightness of summer, particularly July, which logged an impressive 359 hours. While September sees a reduction compared to the sun-drenched days of June and July, it still outshines the earlier months of the year, reinforcing a trend of increasing daylight as the academic year kicks off. This gradual fading of sunlight not only heralds the arrival of fall but also offers a serene backdrop for the Academy’s vibrant community as they prepare to embrace the changing season.
In September, the Naval Academy enjoys a promising 55% chance of sunny weather, marking it as one of the more favorable months for sunshine. This seasonal shift is notable compared to the preceding summer months, where the likelihood hovers around 39% to 51%. As the year progresses, September stands out not only for the warmth of summer's waning days but also for the increased probability of clear skies, uncommonly high as we transition into autumn. This trend continues into October, where the chance of sun dips slightly to 42%, yet September remains a reliable beacon of brightness in the latter part of the year, inviting both locals and visitors to seize the sunny days while they last.
As September sets in at the Naval Academy, daylight begins to wane, offering a gentle transition from the sun-soaked months of summer. With an average of 12 hours of daylight, the changing light serves as a reminder that the golden days of July and August, which enjoyed a peak of 14 hours, are now giving way to the crisp autumn air. This gradual decrease, starting from 14 hours in June, marks a steady decline, leading us toward winter. As daylight dwindles in October to 11 hours and further to 9 hours in December, September's moderate sunlight allows for outdoor activities to linger just a little longer, making it a perfect time for cadets to savor the remaining warmth before the days grow shorter.
As September rolls into the Naval Academy, a gentle breeze sweeps through the campus with an average wind speed of 3.6 m/s (8 mph), bringing a refreshing change that signals the arrival of autumn. This month marks a slight uptick from the diminutive summer winds of August, which recorded the lowest speed of 2.7 m/s (6 mph). The wind speeds in September, while not the highest of the year, contribute to a comfortable environment that enhances outdoor activities and harbors the promise of seasonal transitions. Following September, October sees a modest increase to 3.8 m/s (8 mph), demonstrating a trend where the winds begin to pick up again as the cooler months approach, creating an invigorating atmosphere for students and visitors alike. As the year unfolds into late fall, the winds will continue to fluctuate, but September offers a perfect blend of mild breezes and vibrant campus life.
The weather in Naval Academy 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 Naval Academy and find detailed weather information for every month.
September and January present contrasting weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a warm 32°C (90°F) during the day, with an average of 23°C (73°F). The month experiences considerable rainfall, with 113 mm (4.5 in) spread over about 10 days and a humidity level of 75%. In contrast, January is much colder, with temperatures dipping as low as -13°C (10°F) and reaching a modest high of 17°C (63°F), averaging just 3°C (37°F). Precipitation is less frequent, totaling 70 mm (2.7 in) over 8 days, but the humidity is slightly higher at 84%. For a closer look at the winter conditions, check out the detailed insights on Naval Academy weather in January.
September and February present stark contrasts in weather. September typically enjoys warmer temperatures with a range from a minimum of 11°C (52°F) to a maximum of 32°C (90°F), averaging around 23°C (73°F). This month experiences an average of 113 mm (4.5 in) of precipitation over about 10 days, accompanied by moderate humidity levels at 75%. In contrast, February brings much colder conditions, with temperatures dipping as low as -13°C (10°F) and peaking at 21°C (69°F), averaging just 5°C (40°F). Precipitation slightly increases to 116 mm (4.6 in) over around 12 days, with humidity rising to 83%. For more detailed insights into February weather, you can visit Naval Academy weather in February.
In September, the weather is typically warmer, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (90°F). In contrast, March experiences cooler temperatures, starting at a minimum of -5°C (23°F) and peaking at 24°C (76°F). Although both months receive a similar number of rainy days—about 10—the overall precipitation is slightly higher in September at 113 mm (4.5 in) compared to March's 95 mm (3.7 in). Additionally, September has a lower humidity level of 75% compared to March's 83%, giving September a more comfortable feel despite the warmth. For a more detailed look at the weather during March, check out Naval Academy weather in March.
In comparing the weather of September and April, September tends to be warmer, showcasing a temperature range with a minimum of 11°C (52°F) and an average high of 32°C (90°F). In contrast, April has a cooler profile, with temperatures dipping to a minimum of 1°C (33°F) and an average high of 27°C (82°F). Both months experience similar levels of precipitation, with September recording 113 mm (4.5 in) over about 10 days, while April sees slightly less at 110 mm (4.3 in) over 11 days. Humidity levels are comparable as well, with September at 75% and April slightly higher at 81%. For more details about weather conditions during April, visit Naval Academy weather in April.
September weather features warmer temperatures with a minimum of 11°C (52°F) and an average of 23°C (73°F), peaking at a comfortable 32°C (90°F). In contrast, May tends to be slightly cooler, with temperatures ranging from a minimum of 4°C (39°F) to an average of 18°C (65°F), and a maximum of 31°C (88°F). Both months experience significant rainfall, with September receiving 113 mm (4.5 in) over approximately 10 days, while May sees a bit more with 138 mm (5.4 in) over 13 days. Humidity remains relatively high in both months, at 75% in September and 78% in May, indicating a sticky atmosphere during both periods. For more detailed information, you can explore Naval Academy weather in May.
In comparing the weather of September and June, we find that both months experience similar maximum temperatures, with September peaking at 32°C (90°F) and June slightly higher at 32°C (91°F). However, September tends to have a slightly lower average temperature of 23°C (73°F) compared to June's 24°C (75°F). Precipitation is fairly comparable as well, with September receiving 113 mm (4.5 in) over about 10 days, while June has slightly less at 102 mm (4.0 in) over 13 days. Humidity levels are quite close, with September at 75% and June at 79%, indicating a generally moist atmosphere in both months. For more detailed insights about the weather during June, check out the Naval Academy weather in June.
When comparing the weather in September and July, we see notable differences. September generally enjoys milder temperatures with a minimum of 11°C (52°F) and an average of 23°C (73°F), while July tends to be warmer, with a minimum of 19°C (66°F) and an average of 27°C (81°F). Additionally, July experiences higher maximum temperatures, reaching up to 35°C (95°F) compared to September's peak of 32°C (90°F). Precipitation is also more significant in July, totaling 174 mm (6.9 in) over 14 days, whereas September sees 113 mm (4.5 in) across 10 days. Interestingly, humidity levels are quite similar in both months, hovering around 75% in September and 74% in July. For a more detailed look at the July weather, you can refer to the Naval Academy weather in July.
In comparing the weather of September and August, September generally presents a cooler climate with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 32°C (90°F). This is a notable decrease from August's temperatures, which have a minimum of 17°C (63°F) and reach up to 33°C (92°F) on average. Additionally, September experiences less precipitation, totaling 113 mm (4.5 in) over 10 days, compared to August's 159 mm (6.3 in) across 15 days, indicating a drier month. Humidity levels also show a subtle difference, with September at 75% compared to August's 72%. For more detailed information, you can check this link: Naval Academy weather in August.
September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to an average of 23°C (73°F), with maximums reaching 32°C (90°F). The month experiences around 113 mm (4.5 in) of precipitation over 10 days and maintains a humidity level of 75%. In contrast, October sees a drop in the average temperature to 17°C (64°F), with minimums dropping to 5°C (41°F); however, maximums can still reach 32°C (90°F) on warmer days. Rainfall increases slightly to 127 mm (5.0 in) and persists over the same number of days, but humidity also rises to 81%. For more details on the weather patterns in this month, check out Naval Academy weather in October.
In September, the weather is typically warm, with average temperatures around 23°C (73°F) and maximums reaching up to 32°C (90°F), accompanied by higher humidity at 75%. Though there is considerable precipitation of 113 mm (4.5 in) over about 10 days, the overall climate feels summery. By contrast, November brings a notable chill, with average temperatures dropping to 9°C (49°F) and a minimum of -3°C (27°F). The month boasts a milder precipitation level of 86 mm (3.4 in) over 8 days, but the humidity rises slightly to 85%. For more details on weather patterns during this month, you can refer to Naval Academy weather in November.
In September, the weather is noticeably warmer, with average temperatures reaching a comfortable 23°C (73°F) and highs of up to 32°C (90°F). The month sees moderate humidity at 75% and experiences about 113 mm (4.5 in) of precipitation over approximately 10 days. In contrast, December brings much colder conditions, with average temperatures dropping to just 5°C (42°F) and maximums reaching 18°C (65°F). The humidity increases to 84%, and while precipitation remains similar at 109 mm (4.3 in) over 10 days, the overall chill is palpable. For more details on the winter climate, you can explore Naval Academy weather in December.
As September rolls in, the weather at the Naval Academy transitions into a unique blend of warmth and moisture, setting itself apart from the more extreme temperatures of summer and the chillier months that follow. With an average temperature around a comfortable 23°C (73°F), this month serves as a gentle reminder of summer's fading warmth, while still allowing for a few hotter days. The increased humidity not only enhances the feeling of warmth but also contributes to significant precipitation, often bringing refreshing rains that may disrupt activities. This combination of factors creates a vivid tapestry of September weather that is distinct from the rest of the year. For those interested in a deeper understanding of the local climate, you can explore more at Naval Academy Climate.