Last updated: February 24, 2025
Experience the vibrant weather of Dauphin Island in September, where the maximum temperature can reach a toasty 32°C (90°F) while the average lingers at a comfortable 27°C (81°F). Nights offer a pleasant respite with minimums around 20°C (68°F). This month also brings significant precipitation, totaling 218 mm (8.6 in) over approximately 13 days, contributing to the lush landscape. With an average humidity of 80%, September promises a warm and occasionally wet retreat, perfect for those seeking both relaxation and adventure on this charming island!
In September, Dauphin Island continues to bask in the warmth of late summer, with temperatures displaying a delightful progression. The minimum temperature rises to 20°C (68°F), providing a comfortable start to each day. As the month unfolds, the average temperature settles at a pleasant 27°C (81°F), making afternoons ideal for outdoor activities. Encapsulating the season's essence, the maximum temperature peaks at 32°C (90°F), ensuring plenty of sunshine and warmth for those eager to enjoy the beach. This transition into fall showcases a noticeable warmth that invites both residents and visitors to relish the last golden days of summer, before the cooler autumn breezes begin to set in.
September brings a notable shift in precipitation patterns for Dauphin Island, with 218 mm (8.6 in) of rain falling over 13 days. This month ranks among the wetter periods, following the peak of the summer season in August, which recorded the highest rainfall of the year at 243 mm (9.6 in). The transition into fall is marked by a decrease in precipitation frequency compared to the summer months, yet September maintains a robust total, reflecting the lingering humidity and potential storms characteristic of the region. As the island prepares for dryer months ahead, the rainfall this month serves as a reminder of summer's final hurrah, bridging the vibrant summer landscape to the more tranquil autumn days.
In September, Dauphin Island experiences a return to a more humid atmosphere, with levels reaching around 80%, marking a slight uptick from the summer months. This increase in humidity reflects a broader trend observed throughout the year, where humidity levels gradually diminish from a peak in the winter, down to their lowest in June at 71%. As the island transitions from late summer to early autumn, September's humidity is a reminder of the lingering influences of the warm season, creating a climate that's both inviting and slightly sticky. This pattern continues into the fall, with October showing a drop to 76%, but the annual cycle culminates with sharply increasing humidity levels in the late fall and winter months, reaching their highest point of 87% in December.
In September, Dauphin Island experiences a UV Index of 10, categorizing it as very high with a burn time of just 15 minutes. This slight dip from the summer months, where the UV index peaked at 12, still signals the importance of sun protection for outdoor activities. As fall approaches, the UV levels begin to stabilize, yet it remains crucial to stay vigilant against overexposure, especially during midday. Notably, the UV Index has generally trended higher throughout the year, with extremes in the summer months, highlighting the region's intense sun exposure patterns. For more detailed information on UV levels and safety measures, check out Dauphin Island UV Index.
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As summer gracefully transitions into autumn, September in Dauphin Island continues to bask in warmth with an impressive 282 hours of sunshine. This delightful month feels the gentle ebb of daylight, echoing the peak summer months but hinting at the cooler days ahead. While it sees a decrease from the sun-soaked heights of May and July, it's still a vibrant time to soak in the coastal beauty. June and July boast a higher average with 300 and 322 hours respectively, yet September maintains a respectable glow, making it an enticing option for beach lovers eager to enjoy softer crowds and a lingering summer feel. As the season changes, the island’s rich sunsets and warm days invite all to experience the beauty of fall, where the sun shines a little less but remains undeniably inviting.
In Dauphin Island, September marks a gradual transition from the sweltering summer months to more pleasant fall temperatures, with a 44% chance of sunny weather. This statistic showcases a slight resurgence in sunshine after the peak summer, where the likelihood of sunny days dipped to its lowest in July (26%) and August (35%). The favorable weather in September is a precursor to October’s 48% chance of sun, indicating that while summer’s grip is weakening, the island still enjoys a good share of clear skies before the more pronounced sunny months of late fall arrive. With autumn beckoning, September is an inviting time for visitors seeking to soak up those warm, sunlit days before winter sets in.
As summer transitions into fall, September in Dauphin Island marks a gentle decline in daylight, offering about 12 hours of sunshine each day. This is a notable shift from the longer days of June, which boasted a peak of 14 hours, and the consistent 13 hours seen in both July and August. As the days grow shorter, September creates a balance, hinting at the cooler months ahead, while still providing ample time for outdoor enjoyment. Observing this gradual tapering of daylight reminds us that, although summer is fading, the natural beauty of the island continues to thrive, inviting exploration and relaxation in these pleasantly warm days.
As September arrives in Dauphin Island, the winds begin to calm, with an average speed of 4.6 m/s (10 mph), a noticeable dip from the summer months. This gentle breeze contrasts sharply with the peak winds of previous months, particularly July, which saw gusts of only 3.9 m/s (9 mph). Following the highs of May and June, where winds consistently reached around 5.9 m/s (13 mph), the transition into fall reveals a shift toward more relaxed, inviting conditions. With October bringing a slight increase to 5.3 m/s (12 mph), the rhythmic ebb and flow of the winds throughout the year highlights the island's unique coastal climate, making September an ideal time for serene beach strolls and tranquil moments by the shore.
The weather in Dauphin Island 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 Dauphin Island and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). The month is also characterized by significant rainfall, totaling 218 mm (8.6 in) over 13 days, and high humidity at 80%. Conversely, January experiences much cooler weather, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 23°C (73°F), averaging just 13°C (56°F). Precipitation is notably lower at 95 mm (3.7 in) over 9 days, although humidity remains relatively high at 82%. For those interested in a closer look at the January climate, check out Dauphin Island weather in January.
When comparing the weather in September and February, there is a stark contrast in temperatures and precipitation. September enjoys much warmer conditions, with average temperatures reaching 27°C (81°F) and highs peaking at 32°C (90°F), while February experiences a much cooler climate, with an average temperature of 16°C (60°F) and maximums of only 23°C (73°F). In terms of rainfall, September is notably wetter, receiving 218 mm (8.6 in) over 13 days, compared to February's 114 mm (4.5 in) over just 11 days. Despite the differences in temperature and precipitation, both months maintain a humidity level of 80%. For more detailed insights into February's climate, you can check Dauphin Island weather in February.
In comparing the weather between September and March, a striking contrast emerges. September experiences much warmer temperatures, with an average of 27°C (81°F) and highs reaching up to 32°C (90°F), making it a significantly hotter month. In contrast, March offers cooler conditions, with an average temperature of 18°C (64°F) and a maximum of 25°C (77°F). Additionally, September sees considerably more rainfall, averaging 218 mm (8.6 in) over about 13 days, compared to March's 74 mm (2.9 in) across just 9 days. Both months have similar humidity levels at 80%, but the overall experience of warmth and precipitation in September makes it feel distinctly different from the milder and drier March. For more details, you can check Dauphin Island weather in March.
When comparing the weather in September and April, it's clear that September is considerably warmer and more humid. With average temperatures reaching 27°C (81°F) and maximums soaring up to 32°C (90°F), the month is characterized by tropical warmth. In contrast, April experiences milder conditions, with average temperatures around 20°C (69°F) and maximums at 25°C (77°F). September also sees higher precipitation levels, averaging 218 mm (8.6 in) over 13 rainy days, compared to April's 119 mm (4.7 in) spread across 9 days. Humidity is slightly higher in September at 80%, while April maintains a comfortable 78%. For more details, you can explore Dauphin Island weather in April.
When comparing the weather in September and May, it's clear that September tends to be warmer and wetter. September boasts temperatures ranging from a minimum of 20°C (68°F) to a maximum of 32°C (90°F), with an average of 27°C (81°F). It also experiences significant rainfall, with 218 mm (8.6 in) over 13 days and high humidity of 80%. In contrast, May presents a slightly cooler climate, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), averaging 24°C (76°F). May's precipitation is notably lower at 104 mm (4.1 in) across 9 days, along with reduced humidity at 73%. For more insights, you can check out the full details in Dauphin Island weather in May.
When comparing the weather in September and June, both months feature similar average temperatures, around 27°C (81°F). However, September tends to be slightly hotter, with maximum temperatures reaching up to 32°C (90°F), compared to June's maximum of 31°C (88°F). Precipitation levels are also notable, with September experiencing 218 mm (8.6 in) over 13 days, while June sees a bit more rainfall at 232 mm (9.2 in) across 16 days. Additionally, humidity is higher in September at 80%, compared to June's 71%. For more insights on June weather, you can visit Dauphin Island weather in June.
When comparing the weather in September and July, one notes that September generally has slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 27°C (81°F), compared to July's minimum of 24°C (76°F) and average of 28°C (83°F). Interestingly, while July experiences a bit less precipitation at 159 mm (6.3 in) over 18 days, September sees an increase with 218 mm (8.6 in) across 13 days. Humidity levels are quite similar, with September at 80% and July at 79%. For more detailed information about July weather specifically, check out Dauphin Island weather in July.
In comparing the weather between August and September, we see some notable differences. September experiences a slight decrease in minimum temperature, averaging 20°C (68°F), while August holds a warmer minimum of 24°C (76°F). The average temperatures are fairly comparable, with September averaging 27°C (81°F) and August slightly warmer at 28°C (83°F). Precipitation is higher in August with 243 mm (9.6 in) over 20 days, compared to September's 218 mm (8.6 in) over 13 days, indicating that September is relatively drier. Humidity remains similar, slightly higher in September at 80% compared to August's 78%. For more details, you can check Dauphin Island weather in August.
In September, temperatures are warmer with a minimum of 20°C (68°F) and an average of 27°C (81°F), reaching a maximum of 32°C (90°F). The month experiences substantial rainfall, with 218 mm (8.6 in) of precipitation over 13 days, coupled with high humidity at 80%. In contrast, October brings a noticeable drop in temperatures, with a minimum of 10°C (51°F) and an average of 24°C (76°F), peaking at 30°C (86°F). Precipitation decreases to 134 mm (5.3 in) over 11 days, and humidity also declines slightly to 76%. For those considering a visit, more details can be found at Dauphin Island weather in October.
In comparing the weather patterns of September and November, a striking contrast is evident. September boasts warmer temperatures, with a minimum of 20°C (68°F), an average of 27°C (81°F), and a maximum of 32°C (90°F). The month is also characterized by higher precipitation, totaling 218 mm (8.6 in) over 13 days, and humidity levels around 80%.
In contrast, November experiences significantly cooler temperatures, with a low of 4°C (40°F), an average of 18°C (65°F), and a high of 25°C (78°F). Precipitation drops to 49 mm (1.9 in) over just 6 days, while humidity remains relatively high at 83%. This shift from the warm, humid conditions of September to the cooler, drier climate of November highlights the transitional nature of fall weather. For more details, you can explore Dauphin Island weather in November.
In comparing the weather of September and December, significant differences emerge. September boasts warmer temperatures with a minimum of 20°C (68°F), averaging 27°C (81°F), and a maximum of 32°C (90°F), while December sees much cooler conditions with a minimum of 5°C (42°F), averaging 16°C (60°F), and a maximum of 22°C (72°F). Precipitation is also more pronounced in September, totaling 218 mm (8.6 in) over 13 days, compared to December’s 142 mm (5.6 in) across 12 days. Interestingly, while December has slightly higher humidity at 87%, September's humidity sits at a lower 80%. For a closer look at December weather specifics, visit Dauphin Island weather in December.
As summer gently gives way to fall, September on Dauphin Island offers a striking transformation in weather. Expect warm days with average temperatures hovering around 27°C (81°F), providing a pleasant atmosphere for outdoor activities. The island's humidity remains notably high at 80%, creating a tropical feel, yet the briskness of autumn begins to subtly emerge. However, September is also characterized by increased rainfall, averaging 218 mm (8.6 in) over about 13 days, making it one of the wetter months of the year. Compared to the drier summer months, September brings a unique blend of warmth and moisture, inviting visitors to revel in the lush, vibrant landscape. For more details on weather patterns, visit Dauphin Island Climate.