Last updated: February 24, 2025
In September, Chesapeake Beach experiences a delightful transition into fall, characterized by a maximum temperature reaching 32°C (90°F) and a comfortable average of 23°C (73°F). Evenings cool down to a refreshing minimum of 12°C (54°F), making outdoor activities enjoyable. This month sees 113 mm (4.4 in) of precipitation, with rain occurring on approximately 10 days, contributing to the lush scenery. With humidity levels averaging around 75%, visitors can expect a mix of warmth and moisture that enhances the coastal charm of this vibrant destination.
As September rolls into Chesapeake Beach, it marks a delightful transition from the sweltering summer months to the more temperate fall season. With temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (90°F), the average temperature settles comfortably at 23°C (73°F), creating a pleasant atmosphere for outdoor activities. This month showcases a gentle decline in warmth, as September's temperatures start to mirror the mildness of October. Compared to the scorching highs of July and August, where temperatures consistently peaked around 35°C (95°F), the cooler evenings and balmy days of September provide a refreshing respite, inviting both locals and visitors to savor the scenic beauty of the area before the chill of autumn settles in.
In September, Chesapeake Beach experiences a significant 113 mm (4.4 in) of rain over an average of 10 days, reflecting a shift from the wetter, summer months. This precipitation amount aligns with the trend seen in both June and October, where rainfall hovers around similar levels, indicating a relatively stable transition into fall. Despite a slight decrease from the heavy rainfalls of July and August, September provides a balanced mix of sunny days and occasional showers, serving as a refreshing precursor to the crisp autumn weather. The rainfall pattern observed in September not only nurtures the local flora but also underscores the region's climatic rhythm as it edges toward the drier months ahead.
In September, Chesapeake Beach experiences a modest humidity level of 75%, reflecting a slight dip from the summer months. This trend of decreasing humidity from August's 72% continues, suggesting a transition towards the cooler, crisper autumn air. Throughout the year, humidity in the region begins high and gradually decreases during the peak of summer, reaching its lowest point in July. However, as the seasons shift, humidity begins to rise again, peaking in the fall and winter months. This pattern highlights Chesapeake Beach's dynamic climate, where warm summers give way to refreshing fall breezes, providing a comfortable backdrop for outdoor activities in September.
In September, the UV Index in Chesapeake Beach remains at a noteworthy 8, classified as very high, which signifies that sun protection is essential for extended outdoor activities with a burn time of just 15 minutes. This trend follows the peak summer months where the UV Index reached its zenith at 10, demonstrating that while conditions may slightly diminish, vigilance against sun exposure is still crucial. Notably, September’s UV Index reflects a gradual decrease from the relentless summer rays but remains significantly higher than the winter months, reinforcing the need for protective measures as we transition into fall. For detailed insights, check out the full UV trends here: Chesapeake Beach UV Index.
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As summer gracefully transitions into fall, September in Chesapeake Beach showcases a delightful balance of warmth and light with approximately 281 hours of sunshine. This month, while shining less than the sun-drenched peaks of July (360 hours) and August (330 hours), still offers plenty of brightness as summer’s lingering warmth combines with the crispness of autumn. The trend reveals a slow decline in sunlight hours from the summer highs, yet September remains a vibrant time for outdoor activities. As the days shorten, locals and visitors alike relish the golden hues of autumn, making this a picturesque month to explore the natural beauty of the region before winter approaches.
September in Chesapeake Beach shows a promising 56% chance of sunny weather, marking it as one of the brighter months of the year. This month stands out with a notable increase in sunshine compared to the summer, where July and August only offered 51% and 36% chances, respectively. As the summer heat begins to wane, September brings a refreshing transition with a higher likelihood of clear skies, positioning it alongside the crisp month of November, which also boasts a 57% chance. This seasonal shift suggests that as we move from the sweltering summer months, September offers an inviting opportunity for outdoor activities under clearer, sunnier conditions.
As September unfolds in Chesapeake Beach, the town experiences a gradual transition from the sun-drenched days of summer to the shorter, brisker days of autumn. With an average daylight duration of 12 hours, September marks a slight dip from the peak summer months, where residents enjoyed up to 14 hours of sunlight from June to August. This decrease in daylight serves as a gentle reminder of the shifting seasons, following the increasing trend of daylight from January's 9 hours to May's peak before it slowly begins to decline again. The warmer days of September still invite outdoor activities, but as the month progresses, the softening light heralds the arrival of cuddly sweaters and warm, cozy evenings ahead.
As September arrives in Chesapeake Beach, the average wind speed picks up slightly from the languid days of summer, registering at 3.6 m/s (8 mph). This marks a subtle increase from August's calm breezes, which languished at 2.7 m/s (6 mph)—the year's lowest. The trend reveals a gentle return to more invigorating winds that typically sweep through the region as autumn approaches. In fact, September's conditions pave the way for a gradual rise in wind speeds that continue through the following months, leading up to November's brisk 4.3 m/s (10 mph). This transition from the softer summer winds to the more spirited gusts of fall invigorates the air, setting a refreshing tone for the changing season.
The weather in Chesapeake Beach 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 Chesapeake Beach and find detailed weather information for every month.
September and January present stark contrasts in weather. September enjoys milder temperatures, with a minimum of 12°C (54°F), an average of 23°C (73°F), and a maximum reaching up to 32°C (90°F). This month sees about 113 mm (4.4 in) of precipitation over approximately 10 days, accompanied by a humidity level of 75%. In contrast, January brings a frigid chill, with temperatures plummeting to a minimum of -12°C (10°F) and averaging just 3°C (38°F). The maximum temperature in January reaches 18°C (64°F), with precipitation totaling 69 mm (2.7 in) over 8 days, and a higher humidity level of 84%. For more specific details on January weather, you can visit Chesapeake Beach weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a comfortable 12°C (54°F) at night to a warm 32°C (90°F) during the day, accompanied by an average humidity of 75% and 113 mm of precipitation over approximately 10 days. In contrast, February experiences much colder temperatures, with a minimum of -12°C (11°F) and a maximum of 21°C (70°F). The winter month has slightly higher humidity at 83% and similar precipitation levels of 113 mm, but over a longer duration of 13 days. For more detailed insights into February weather, you can visit Chesapeake Beach weather in February.
September and March present contrasting weather experiences. In September, temperatures range from a minimum of 12°C (54°F) to a high of 32°C (90°F), with an average of 23°C (73°F), creating a warm, late-summer ambiance. The month sees a substantial amount of rainfall, averaging 113 mm (4.4 in) over 10 days, and a humidity level of 75%. In contrast, March greets us with much cooler temperatures, ranging from a minimum of -4°C (24°F) to a maximum of 25°C (76°F), and an average temperature of only 8°C (46°F). Although it has slightly less precipitation at 91 mm (3.6 in) over the same number of days, the humidity is higher at 83%. For more detailed insights on the climate during March, you can check out Chesapeake Beach weather in March.
When comparing the weather in September and April, notable differences in temperature and precipitation patterns emerge. September typically boasts warmer temperatures, ranging from a minimum of 12°C (54°F) to a comfortable average of 23°C (73°F), peaking at a sweltering 32°C (90°F). In contrast, April starts cooler, with minimum temperatures around 1°C (33°F) and an average of just 13°C (56°F), reaching a maximum of 27°C (81°F). Precipitation levels are relatively similar, with September receiving 113 mm (4.4 in) over about 10 days and April experiencing 100 mm (3.9 in) across 11 days. Interestingly, humidity is slightly higher in April at 81% compared to September’s 75%. For more specifics on April weather, you can visit Chesapeake Beach weather in April.
September and May both exhibit mild temperatures, but with distinct characteristics. In September, average temperatures range from a minimum of 12°C (54°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F), while May features slightly cooler conditions, with a minimum of 4°C (40°F) and an average of 19°C (66°F) peaking at 31°C (88°F). Both months see substantial precipitation, with May experiencing 132 mm (5.2 in) over 12 days, compared to September's 113 mm (4.4 in) over 10 days. Humidity levels are relatively similar, with May recording 78% and September slightly lower at 75%. For a detailed look at the weather patterns in May, you can check Chesapeake Beach weather in May.
In comparing the weather between September and June, both months feature similar minimum temperatures, averaging around 12°C (54°F). However, June tends to be slightly warmer, with an average temperature of 24°C (75°F) compared to September’s average of 23°C (73°F). Additionally, the maximum temperatures peak at 33°C (91°F) in June, just one degree higher than September’s maximum of 32°C (90°F). While precipitation is relatively close, September receives more rainfall at 113 mm (4.4 in) over 10 days, compared to June's 98 mm (3.8 in) over 12 days. Humidity levels are also comparable, with September at 75% and June a bit higher at 79%. For a closer look at June's weather specifics, you can refer to Chesapeake Beach weather in June.
When comparing the weather in September to that of July, we notice a significant difference in temperature and precipitation. September offers a milder climate with minimum temperatures around 12°C (54°F) and an average of 23°C (73°F), whereas July is notably warmer, with minimums at 19°C (66°F) and averages of 27°C (81°F). Additionally, September experiences less rainfall, with 113 mm (4.4 in) over 10 days, compared to July's 172 mm (6.8 in) across 13 days. Both months have similar humidity levels, hovering around 74-75%. For more detail on July's weather, you can check Chesapeake Beach weather in July.
In comparing the weather between August and September, we see notable differences in temperature and precipitation patterns. August typically experiences warmer temperatures, with a minimum of 18°C (64°F) and an average of 26°C (78°F), peaking at 34°C (93°F). In contrast, September sees cooler temperatures, ranging from a minimum of 12°C (54°F) to an average of 23°C (73°F), with a maximum of 32°C (90°F). Precipitation also varies, with August receiving 154 mm (6.1 in) over 15 days, while September has 113 mm (4.4 in) over 10 days, indicating a drier month. Interestingly, September maintains a higher humidity level at 75% compared to August's 72%. For more detailed insights on the August weather, you can visit Chesapeake Beach weather in August.
In September, the weather is typically warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 32°C (90°F) and an average of 23°C (73°F). The month experiences 113 mm (4.4 in) of precipitation over about 10 days, with humidity levels around 75%.
In contrast, October brings cooler temperatures, with lows dropping to 5°C (42°F) and an average of 18°C (64°F). While the maximum temperatures can still reach 32°C (90°F), the overall trend is towards cooler conditions. Precipitation increases slightly to 132 mm (5.2 in) over 9 days, and humidity rises modestly to 81%. For more details on October’s weather, you can check Chesapeake Beach weather in October.
September and November present stark differences in weather patterns. September typically boasts warmer temperatures, with averages around 23°C (73°F) and highs reaching up to 32°C (90°F), while November sees a drop, averaging 10°C (50°F) and maxing out at 24°C (75°F). Precipitation is more frequent in September, with 113 mm (4.4 in) spread over 10 days, compared to November's 86 mm (3.4 in) over just 8 days. Additionally, humidity levels remain higher in November at 85%, compared to 75% in September, contributing to a brisker feel. For more specific details, check out Chesapeake Beach weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a warm 32°C (90°F) during the day, with an average of 23°C (73°F). The month experiences notable humidity at 75% and receives about 113 mm (4.4 in) of precipitation over 10 days. Conversely, December greets us with much cooler temperatures, dipping as low as -8°C (18°F) and averaging around 6°C (43°F), while peaking at a mild 18°C (65°F). Precipitation remains similar at 103 mm (4.1 in) but also over 10 days, with higher humidity at 84%. For more detailed insights into the weather in December, you can check out Chesapeake Beach weather in December.
September in Chesapeake Beach offers a unique blend of summer warmth and the crispness of approaching fall. With temperatures reaching comfortable highs and a pleasant average, this month stands out as a transition from the sweltering heat of summer to the cooler days ahead. However, be prepared for some rainfall, as September experiences its fair share of precipitation, adding to the region's lushness. The humidity lingers at a notable level, creating a sticky yet invigorating atmosphere. For a deeper insight into how September weather shapes the experience in Chesapeake Beach compared to other months, explore more at Chesapeake Beach Climate.