Last updated: February 24, 2025
In September, Biloxi, United States, experiences a vibrant transition as summer lingers with maximum temperatures reaching 36°C (97°F) and an average of 26°C (79°F). The warm days are often punctuated by humidity levels around 80%, creating a sultry atmosphere that invites both locals and visitors to enjoy the outdoors. However, the month also sees a significant increase in precipitation, totaling 135 mm (5.3 in) over approximately 14 rainy days, adding a refreshing twist to the coastal charm. Whether basking in the sun or embracing the occasional shower, September in Biloxi offers a unique blend of heat and moisture, perfect for summer enthusiasts and adventure seekers alike.
In September, Biloxi experiences a warm transition from summer to autumn, with temperatures typically ranging from a minimum of 14°C (57°F) to a maximum of 36°C (97°F). The average temperature hovers around 26°C (79°F), making it a pleasant time for beachgoers and outdoor enthusiasts alike. Compared to the peak summer months of July and August, where both the minimum and average temperatures are slightly higher, September offers a bit of relief while still providing ample warmth. The gradual dip in temperature signals the onset of fall, though it still maintains the vibrant energy characteristic of Biloxi's late-summer charm. As days grow shorter, visitors can relish the lingering warmth before cooler weather sets in.
In September, Biloxi experiences a notable shift in precipitation patterns, with 135 mm (5.3 in) of rainfall spread over 14 days. This represents a slight decrease from the torrential deluges of June and August, which recorded 251 mm and 220 mm, respectively. September's rainfall is significant, yet it marks the transition towards drier months, as the city prepares for the upcoming fall. While the number of rainy days remains substantial, down from the high counts in summer, the consistent precipitation continues to nourish the lush landscapes of the Gulf Coast, contributing to the region's vibrant ecosystem. As the temperatures begin to cool, this balance of moisture sets the stage for a beautiful autumn in Biloxi.
In September, Biloxi experiences a noticeable shift in humidity, resting at 80%, which is on par with earlier months like January and February. As the summer heat transitions into fall, the humidity shows a slight dip from the peak of 79% in July and 78% in August. This levels off with a gradual decrease as the year progresses, leading to 76% in October. Notably, the humidity tends to rise again by late autumn and winter, peaking at 87% in December. Overall, the trend showcases Biloxi's characteristic high humidity, creating a tropical feel that persists even as cooler months approach.
In September, Biloxi experiences a UV Index of 10, categorizing exposure as very high with a burn time of just 15 minutes. This month marks a slight dip from the extreme levels seen in the height of summer, specifically in July when the UV Index peaked at 12. As temperatures begin to cool, September still demands caution, continuing the trend of high UV exposure prevalent from the spring months onward. With the sea breeze and outdoor activities beckoning, it’s essential to stay protected. For more details on UV levels throughout the year, visit Biloxi UV Index.
UV Risk Categories
As September unfolds in Biloxi, United States, the sun shines with 283 hours of radiance, marking a gentle decline from the vibrant peaks of summer. This month bridges the gap between the sweltering heat of July and August, which boast over 300 hours each, and the milder days of autumn that follow. While September may see less sunlight than its summer predecessors, it still offers a generous warmth that invites beachgoers and outdoor enthusiasts to relish the pleasant temperatures. As the year progresses, the overall trend suggests a gradual tapering of sunshine hours, yet September stands out as a vibrant transition, echoing the lingering energy of summer while ushering in the softer hues of fall.
September in Biloxi, United States, offers a promising 45% chance of sunny weather, making it one of the more favorable months for outdoor activities as summer transitions to fall. As we examine the yearly trends, it’s clear that September presents a slight improvement from the sweltering summer months, where chances plummet to 25% in July and only 34% in August. This uptick suggests a shift towards more pleasant weather, although the month still lags behind the sunnier late fall and early winter months, such as November, which boasts an impressive 66% chance of sunshine. So, if you're planning to soak up some rays in Biloxi, September offers a delightful opportunity to enjoy the outdoors before the cooler air sets in.
As September rolls into Biloxi, the vibrant summer days begin to wane, with daylight lasting around 12 hours—a slight decrease from the peak of 14 hours in June. This month marks the transition from the sun-drenched heights of summer to the softer light of autumn. The gradual shortening of days hints at the seasonal shift, yet September still retains a generous amount of daylight, allowing for plenty of outdoor activities and lingering evenings. Following a trend established in the preceding months, this balanced daylight duration serves as a bridge between the lively summer and the calmer fall, reminding us of nature's rhythmic cycle.
As September rolls into Biloxi, the average wind speed gently declines to 2.4 m/s (5 mph), marking a subtle shift from the summer breezes. Following the peak winds typically seen in the spring, where speeds hover around 3.6 m/s (8 mph), the late summer months present a noticeable lull, with July and August experiencing the calmest conditions of the year. This trend of decreasing wind speeds continues into the early fall, creating a serene atmosphere that contrasts sharply with the more turbulent months that precede it. Overall, September's gentle winds invite a moment of tranquility as the bustling summer crowds begin to dissipate, promising a peaceful transition into the autumn season.
The weather in Biloxi 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 Biloxi and find detailed weather information for every month.
September and January present strikingly different weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a scorching 36°C (97°F) during the day, with an average of 26°C (79°F). The month is characterized by significant humidity at 80% and frequent rainfall, totaling 135 mm (5.3 in) over about 14 days. In stark contrast, January experiences much colder temperatures, with a minimum of -7°C (20°F) and a maximum of 26°C (78°F), averaging around 12°C (53°F). During this winter month, precipitation is lighter, at 97 mm (3.8 in), falling over just 7 days, and humidity is slightly higher at 82%. For a detailed look at January weather in Biloxi, check out Biloxi weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 36°C (97°F), with an average of 26°C (79°F), accompanied by high humidity at 80%. The month experiences significant rainfall, totaling 135 mm (5.3 in) over about 14 days. In contrast, February sees much cooler temperatures, with lows of -5°C (23°F) and highs reaching 27°C (80°F), averaging around 15°C (59°F). The precipitation in February is slightly lower at 111 mm (4.4 in), spread across 13 days, while humidity remains consistent at 80%. For more details on February weather, you can visit Biloxi weather in February.
September and March present distinct contrasts in weather patterns. In September, temperatures can range from a mild 14°C (57°F) at night to a scorching 36°C (97°F) during the day, with an average temperature of 26°C (79°F). This month also sees significant rainfall, totaling 135 mm (5.3 in) over about 14 days, contributing to a consistently high humidity level of 80%.
In contrast, March offers a much cooler climate, with temperatures starting from a low of 1°C (33°F) and peaking at 30°C (85°F), resulting in an average of 18°C (64°F). The month is also drier, receiving 89 mm (3.5 in) of precipitation over approximately 11 days, while maintaining the same humidity level of 80%. For a more detailed look at March weather, check out Biloxi weather in March.
In comparing the weather of September and April, September presents a much warmer climate, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (97°F), while April's temperatures are cooler, peaking at 31°C (89°F) with a minimum of 5°C (42°F). Despite being slightly wetter, September sees higher humidity levels at 80%, compared to April's 78%. Both months experience significant rainfall, with September totaling 135 mm (5.3 in) over 14 days, whereas April receives 121 mm (4.7 in) over just 10 days. For a detailed view of April's weather, you can check Biloxi weather in April.
In comparing the weather between September and May, we observe that September tends to be warmer overall, with average temperatures reaching 26°C (79°F) compared to May's 24°C (76°F). The maximum temperature in September can soar up to 36°C (97°F), while May peaks at a slightly lower 35°C (94°F). Both months experience substantial precipitation, with September receiving 135 mm (5.3 in) over 14 days, slightly more than May's 130 mm (5.1 in) over 12 days. Additionally, September has higher humidity levels at 80%, compared to May's 73%. For more details on May's climate, you can check Biloxi weather in May.
In comparing the weather between September and June, we see some notable differences. September tends to have slightly lower minimum temperatures, averaging 14°C (57°F) compared to June's 17°C (63°F), but the average temperatures are quite similar, with September at 26°C (79°F) and June at 27°C (81°F). While the maximum temperatures are comparable as well, with September reaching up to 36°C (97°F) and June slightly lower at 35°C (96°F), September is marked by higher humidity at 80%, compared to June’s 71%. Additionally, precipitation levels are significantly different, with September experiencing 135 mm (5.3 in) of rain over 14 days, while June receives a much heftier 251 mm (9.9 in) over 20 days, making June a wetter month overall. For a more detailed look at June's weather, you can check out Biloxi weather in June.
When comparing the weather in September to that of July, September tends to present slightly more moderate temperatures, with a minimum of 14°C (57°F) and an average of 26°C (79°F), in contrast to July’s higher minimum of 21°C (70°F) and average of 28°C (82°F). Both months experience high maximum temperatures, with July peaking at 37°C (99°F) and September reaching up to 36°C (97°F). However, July sees significantly more precipitation, totaling 194 mm (7.6 in) over 22 days, compared to September’s 135 mm (5.3 in) over 14 days, leading to a somewhat drier atmosphere in September despite its slightly higher humidity of 80% compared to July's 79%. For more specific details about July's weather, you can check Biloxi weather in July.
In comparing the weather of September to August, we see notable differences in temperature and precipitation. September features cooler minimum temperatures, dipping to 14°C (57°F), while August maintains a warmer minimum of 21°C (71°F). The average temperatures are more moderate in September, at 26°C (79°F), compared to August's warmer 28°C (82°F). However, both months share a maximum temperature cap of 36°C (97°F for September and 98°F for August).
Precipitation is a significant factor in this comparison, as September receives 135 mm (5.3 in) of rain over 14 days, while August experiences heavier rainfall of 220 mm (8.7 in) over 23 days, indicating that August is both wetter and has more rainy days. This results in September being slightly less humid at 80%, compared to August's relatively high humidity of 78%. For more detailed weather patterns, check out Biloxi weather in August.
September and October showcase notable differences in weather patterns. In September, temperatures reach a minimum of 14°C (57°F) and an average of 26°C (79°F), with highs soaring to 36°C (97°F). The month sees significant humidity at 80% and experiences 135 mm (5.3 in) of rainfall over 14 days. In contrast, October begins to cool down, with minimum temperatures dropping to 4°C (40°F) and an average of 22°C (73°F), peaking at 34°C (94°F). Although precipitation remains similar at 129 mm (5.1 in), it occurs over fewer days (11), and humidity decreases slightly to 76%. For more detailed insights, you can check Biloxi weather in October.
September weather tends to be much warmer, with temperatures ranging from a minimum of 14°C (57°F) to a scorching maximum of 36°C (97°F) and an average of 26°C (79°F). The month sees significant rainfall, totaling 135 mm (5.3 in) over approximately 14 days, coupled with a high humidity of 80%. In contrast, November brings a noticeable drop in temperatures, with a minimum of -3°C (27°F) and a maximum of 28°C (83°F), resulting in a cooler average of 15°C (60°F). Rainfall is also reduced to 61 mm (2.4 in) over just 6 days, while humidity remains relatively high at 83%. For more details on the weather in Biloxi during November, you can visit Biloxi weather in November.
In September, the weather is warm and humid, with average temperatures peaking at around 26°C (79°F) and maximums reaching up to 36°C (97°F). During this month, the region experiences significant precipitation, totaling 135 mm (5.3 in) over 14 days. In contrast, December brings a much cooler climate, with average temperatures dropping to 13°C (56°F) and minimums falling to -1°C (30°F). Although precipitation is slightly lower at 113 mm (4.4 in) over 11 days, the humidity remains high at 87%. This stark contrast marks a shift from the heat and moisture of September to the chillier and drier days of December. For more details on December weather, you can check out Biloxi weather in December.
As September rolls in, Biloxi experiences a notable transition in weather that sets it apart from the sweltering summer months. With an average temperature of 26°C, it offers a more temperate yet still warm ambiance, contrasting sharply with the peaks of summer heat. The humidity remains high at 80%, providing that characteristic subtropical feel, but the increased rainfall, spread over about 14 days, brings a refreshing break from the relentless sunshine. This blend of warmth and moisture creates a unique environment, making September a dynamic time to enjoy the scenic beauty of Biloxi. For more detailed insights, explore the Biloxi Climate.