Last updated: February 24, 2025
Experience the vibrant September weather of Fort Myers Beach, United States, where temperatures reach a maximum of 33°C (92°F) and hover around an average of 28°C (82°F). Although the nights can feel pleasant with minimum temperatures dropping to 23°C (74°F), the month boasts a notable humidity level of 83%, creating a tropical atmosphere. With a total precipitation of 169 mm (6.7 in) spread over 20 rainy days, visitors can expect some refreshing showers, making this period ideal for experiencing the lush, natural beauty of the area. Embrace the warmth and occasional rainfall as you soak in the charm of Fort Myers Beach this September!
September in Fort Myers Beach welcomes the onset of autumn with warm temperatures that reflect the lingering summer vibes. With minimums averaging 23°C (74°F), an average of 28°C (82°F), and maximums peaking at 33°C (92°F), the month showcases a pleasant warmth that invites beachgoers and outdoor enthusiasts alike. This trend of mild evenings and balmy days continues from August, maintaining the tropical charm of the area as summer begins to cede to cooler fall weather. Expect sunny skies and a comfortable atmosphere, making September an ideal time to enjoy the beautiful beaches and vibrant local culture before the temperatures dip further in October.
In September, Fort Myers Beach experiences a significant rainfall trend, receiving an average of 169 mm (6.7 in) across 20 precipitation days. This places September among the wetter months, following the heavy downpours of July and August. The rainfall, while substantial, reflects a slight decrease from the peak summer months, showing that the wet season is beginning to ease yet still maintains a vibrant backdrop for the lush landscapes. As October approaches, the precipitation levels will notably drop, suggesting a transition to drier weather in the coming months. This pattern underscores the tropical climate's distinct wet-season cycle, which is characterized by a peak in summer rain followed by gradual tapering as fall sets in.
In September, Fort Myers Beach experiences a notable rise in humidity, reaching 83%, which is on par with the levels seen in both January and October. This month serves as a transitional point, where the lingering warmth of summer meets the onset of fall. Interestingly, prior to September, humidity levels start at a relatively lower 65% in May, gradually climbing throughout the summer months, peaking in both August and September. Following this high, humidity remains consistent through the fall, emphasizing Fort Myers Beach’s tropical climate. Overall, the trend showcases a dynamic shift from the drier conditions of spring to the more humid embrace of late summer and early autumn, making it essential for visitors to prepare for the potential stickiness of September days.
As summer transitions into fall, September in Fort Myers Beach maintains a strikingly high UV Index of 11, placing it in the extreme exposure category. With a burn time of just 10 minutes, it's crucial for sunbathers to stay vigilant and practice sun safety. This slight dip from the sweltering peak of 12 observed from May to August still necessitates caution, as the region continues to experience intense sun exposure. Notably, the UV Index begins its gradual decline after this month, dropping to 10 in October. For more information on sun safety and UV exposure trends in Fort Myers Beach, visit Fort Myers Beach UV Index.
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September in Fort Myers Beach shines brightly with 313 hours of sunshine, continuing the trend of high summer sunlight. As the year transitions from the sweltering summer months, where July peaks at 332 hours, September maintains a cozy ambiance with just a modest dip. This month’s sunshine reflects the region’s overall tendency towards abundant light, with only a slight decrease from the summer highs. As autumn approaches, the lingering warmth of September’s sunshine blends perfectly with the balmy beach atmosphere, promising delightful outdoor moments before the days start to shorten further in October, which sees a decrease to 301 hours. This seamless flow of sunshine not only highlights the inviting nature of Fort Myers Beach but also enhances its charm as a year-round getaway.
As summer wanes, September in Fort Myers Beach brings a drop in the likelihood of sunny weather, with a 35% chance of sunshine. This decline follows a pattern established during the low-sun months of June, July, and August, where sunny days plummet to between 18% and 21%. However, September's sunshine levels are a slight improvement compared to the summer peak, hinting at the possibility of clearer skies as autumn approaches. Despite the increased cloud cover, the month transitions towards more favorable conditions, with October's chances rebounding to 49%. Thus, while sunshine may be less frequent in September, it marks the beginning of a shift back to brighter days in the near future.
As September arrives in Fort Myers Beach, the daylight hours begin to gently wane, offering about 12 hours of sunshine each day. This marks a subtle transition from the long, bright days of summer, where August basked in 13 hours of daylight. A notable trend throughout the year reveals that daylight reaches its peak in the warmer months, beginning in May and continuing through August. However, as fall approaches, the days gradually shorten, leading into October's 11 hours of light. This rhythmic ebb and flow of daylight not only highlights the changing seasons but also enhances the charm of this coastal paradise, encouraging visitors to relish every luminous moment before the quieter days of winter set in.
As summer transitions to autumn, September in Fort Myers Beach experiences the lowest average wind speed of the year at just 2.7 m/s (6 mph). This gentle breeze contrasts with the earlier months, where winds hovered around 4.3 m/s (10 mph) in the spring and early summer. The gradual decline in wind speed is characteristic of the seasonal shift, as the calm September atmosphere invites beachgoers to enjoy the soothing sounds of the surf. In fact, the cooling breezes of fall begin to pick up once more in October, hinting at a return to a more lively coastal experience. This subtle dance between rising and falling wind speeds not only marks the passage of seasons but also enriches the idyllic charm of the beachfront during this tranquil month.
The weather in Fort Myers 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 Fort Myers Beach and find detailed weather information for every month.
September and January present stark contrasts in weather patterns. September boasts warm temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (92°F), accompanied by significant rainfall of 169 mm (6.7 in) over 20 days, resulting in high humidity levels of 83%. In contrast, January offers much cooler conditions, with a minimum of 3°C (38°F) and a maximum of 27°C (81°F). Rainfall is minimal, totaling just 36 mm (1.4 in) over only 4 days, while humidity remains stable at 83%. For more details on January weather, check out Fort Myers Beach weather in January.
September and February showcase distinct weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), with an average temperature of 28°C (82°F). This month is characterized by high humidity at 83% and significant rainfall, receiving about 169 mm (6.7 in) over approximately 20 days.
Conversely, February presents a much cooler climate, with temperatures ranging from a low of 7°C (45°F) to a high of 28°C (83°F) and an average of 21°C (69°F). The month is considerably drier, accumulating only 36 mm (1.4 in) of precipitation over just 4 days, and maintaining a slightly lower humidity level of 80%. For a closer look at February's climate specifics, you can explore Fort Myers Beach weather in February.
In September, the weather is characterized by higher temperatures and significant humidity, featuring a minimum of 23°C (74°F) and an average of 28°C (82°F), peaking at 33°C (92°F). With 169 mm (6.7 in) of precipitation over 20 days, the month tends to be quite wet, making it a less predictable time for outdoor activities. In contrast, March offers a much cooler climate with a minimum temperature of 9°C (48°F) and an average of 21°C (71°F), reaching a maximum of 28°C (83°F). The precipitation during March is notably lower, at just 22 mm (0.9 in) over 2 days, and humidity levels are also more manageable at 75%. For those interested in a deeper look into March weather, you can check out Fort Myers Beach weather in March.
September and April present contrasting weather characteristics. In September, temperatures are significantly warmer, with a minimum of 23°C (74°F) and an average of 28°C (82°F), peaking at a maximum of 33°C (92°F). This month also experiences high humidity at 83% and substantial precipitation, averaging 169 mm (6.7 in) over 20 days. In contrast, April offers milder conditions, with temperatures ranging from a minimum of 13°C (56°F) to an average of 24°C (76°F), reaching a maximum of 31°C (88°F). The humidity in April is notably lower at 68%, and rainfall is minimal, averaging only 42 mm (1.7 in) across just 7 days. For a more detailed look at April weather, check out Fort Myers Beach weather in April.
In comparison between September and May weather, September tends to be warmer with average temperatures reaching 28°C (82°F) and maximums hitting 33°C (92°F), while May has slightly cooler averages at 26°C (79°F) and maximums of 32°C (90°F). Additionally, September experiences a higher level of humidity at 83%, compared to May's 65%. Rainfall is more frequent in September, with 169 mm (6.7 in) over 20 days, while May sees less precipitation at 122 mm (4.8 in) over just 12 days. For more detailed insights, you can check Fort Myers Beach weather in May.
In comparing the weather in September and June, both months exhibit similar temperature ranges, with minimums of 23°C (74°F) and maximums reaching 33°C (92°F). However, September experiences a slightly higher average temperature of 28°C (82°F) compared to June's average of 27°C (82°F). Precipitation levels are also comparable, with September receiving 169 mm (6.7 in) over 20 days and June totaling 170 mm (6.7 in) across 22 days. Notably, humidity is higher in September at 83%, while June maintains a more comfortable level of 73%. For more specifics on June weather patterns, you can check out Fort Myers Beach weather in June.
In comparing the weather between July and September, both months exhibit warm temperatures, with September's average temperature slightly lower at 28°C (82°F) compared to July's 28°C (83°F). July boasts a minimum temperature of 24°C (75°F), while September starts a little warmer at 23°C (74°F). Precipitation levels are notably higher in July, with 195 mm (7.7 inches) over 26 days, compared to September's 169 mm (6.7 inches) spread over 20 days. Additionally, September has a higher humidity level at 83%, contrasting with July's 77%. For more detailed information about the weather, check out Fort Myers Beach weather in July.
In comparing the weather of September and August, we see a slight decrease in minimum temperatures, with September starting at a minimum of 23°C (74°F) compared to August's 24°C (76°F). Both months have similar average highs of 33°C (91°F to 92°F), but August registers a slightly higher average temperature at 28°C (83°F), while September's average is 28°C (82°F). Precipitation also differs; September experiences 169 mm (6.7 in) of rainfall over 20 days, while August sees a higher total of 206 mm (8.1 in) across 26 days. Humidity is a bit higher in September at 83% compared to August's 80%. For more details about weather patterns, check Fort Myers Beach weather in August.
In September, temperatures in Fort Myers Beach are generally warmer, with a minimum of 23°C (74°F) and an average around 28°C (82°F), peaking at a maximum of 33°C (92°F). The month is also characterized by significant rainfall, experiencing around 169 mm (6.7 in) across 20 days, maintaining high humidity at 83%. In contrast, October brings a noticeable drop in the minimum temperature to 14°C (58°F), while the average temperature decreases slightly to 26°C (80°F). The maximum temperature hovers around 32°C (90°F). Additionally, October sees a reduction in precipitation to 76 mm (3.0 in) over just 12 days, with humidity remaining steady at 83%. For more details on the weather during this month, you can check the full report here: Fort Myers Beach weather in October.
September and November weather exhibits notable differences in temperature and precipitation. September is characterized by warmer temperatures, with a minimum of 23°C (74°F) and a high of 33°C (92°F), while November sees cooler temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 31°C (89°F). Additionally, September experiences significantly more rainfall, with an average precipitation of 169 mm (6.7 in) across 20 days, compared to November's lighter rainfall of 44 mm (1.7 in) over just 6 days. Despite the reduction in rainfall and cooler temperatures, humidity remains consistent at 83% in both months. For more details, you can check Fort Myers Beach weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 28°C (82°F), peaking at 33°C (92°F). This month also sees significant rainfall, with 169 mm (6.7 in) spread over 20 days, resulting in a humidity level of 83%. In contrast, December brings a much cooler atmosphere, where temperatures drop to a minimum of 8°C (46°F) and average 20°C (68°F), reaching a maximum of 27°C (81°F). Precipitation is notably lower in December, with only 52 mm (2.1 in) over 6 days, and humidity remains similar at 84%. For more detailed information, you can check Fort Myers Beach weather in December.
As September rolls in, Fort Myers Beach experiences a significant shift in weather, characterized by its warm temperatures and high humidity. With average temperatures hovering around a balmy 28°C (82°F), the month offers a comforting warmth, contrasting with the cooler breezes of late winter. However, September also ushers in increased rainfall, with precipitation occurring on nearly two-thirds of the days, leading to a lush, tropical ambiance. The humidity can be quite pronounced, making this month feel more tropical than others. For those seeking a deeper understanding of the seasonal shifts, explore the detailed insights at Fort Myers Beach Climate.