Last updated: February 24, 2025
Experience the vibrant September weather of Boca Raton, United States, where the average temperature hovers around 28°C (83°F), with maximum highs reaching 33°C (92°F). Visitors can expect warmth with a minimum of 24°C (76°F), ideal for enjoying outdoor activities. However, be prepared for moisture-laden air, as humidity levels remain high at 83%, contributing to a tropical feel. September also brings significant rainfall, with an average precipitation of 193 mm (7.6 in) spread over 22 days, making it essential to plan for occasional showers amid the sunshine. Embrace the rich, warm subtropical atmosphere as Boca Raton transitions from summer to fall!
In September, Boca Raton experiences a delightful transition within its summer climate, where temperatures remain warm and inviting. With minimums averaging 24°C (76°F) and maximums reaching up to 33°C (92°F), the month is characterized by its balmy weather, making it ideal for outdoor activities. The average temperature of 28°C (83°F) reflects the lingering warmth of summer, yet hints at the cooler days to come with the arrival of autumn. This month maintains a steady trend from August, showcasing slightly reduced highs while ensuring that beach outings and water sports remain appealing, as the ocean retains its comforting warmth. Overall, September stands as a bridge between the sizzling summer and the milder fall, offering a perfect blend of sun-soaked days and cooler evenings.
September in Boca Raton marks a peak in precipitation, with an impressive 193 mm (7.6 in) of rainfall accumulating over 22 days. This month consistently showcases the tail end of the wet season, echoing the wetter trend initiated in May and persisting through the summer months. The frequency of rainfall days, while slightly reduced from the previous months, still reflects a humid atmosphere, contributing to the overall lushness of the region. As autumn approaches in October, precipitation decreases to 157 mm (6.2 in), suggesting a gradual shift toward drier conditions. The transition observed in September underscores the climatic rhythm of Boca Raton, where the vibrant tropical climate is characterized by both abundant rainfall and notable seasonal changes.
In September, Boca Raton experiences a notable rise in humidity, reaching 83%, which aligns with the trend of fluctuating levels throughout the year. After a gradual decline from the more humid months of January through May, humidity levels dipped to their lowest point at 65% in May. However, as summer peaks in July and August, the humidity rebounds, stabilizing around 80%. September's humidity not only mirrors the levels observed in January and October but also signals the onset of a season where moisture remains high, maintaining a tropical feel in this coastal paradise. As the year winds down, residents can expect consistent humidity levels of 83% through to November, lending to the overall lushness of the region.
As September rolls into Boca Raton, the UV Index remains high at 11, categorizing exposure as extreme with a burn time of just 10 minutes. This reflects a slight decrease from the peak levels seen in the summer months, yet the sun's intensity still demands caution. Throughout the year, Boca Raton experiences a notable pattern of increasing UV levels from January's moderate 6 to the extreme heights reached in mid-summer. It’s essential to stay vigilant during September, as sun protection strategies remain critical to avoiding skin damage. For more detailed information on UV levels throughout the year, visit Boca Raton UV Index.
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In September, Boca Raton continues to bask in abundant sunshine, clocking in an impressive 315 hours of radiant daylight. This marks a slight decline from the peak summer months of July and August, which saw the city enjoy 340 and 336 hours, respectively. However, September still stands as one of the sunniest months of the year, perfectly bridging the transition into autumn. As temperatures begin to cool slightly, the golden rays linger, inviting both locals and visitors to savor the vibrant outdoor attractions and breathtaking beaches. The trend of abundant sunshine underscores Boca Raton's allure, making it a year-round haven for sun-seekers.
As September rolls into Boca Raton, the chance of sunny weather tends to dip to 32%, marking a noticeable decline from the peak in February, which boasts a sunny 57%. This trend reflects a transitional phase as summer wanes, leading into the autumn months. Compared to the broader year, September's sunlit prospects are among the lower figures, trailing behind October's more promising 45%. Meanwhile, summer months like June and July suffer significantly, with chances plummeting to 15% and 20%, respectively. Thus, while September may not reach the sunny heights of earlier months, it still offers a pleasant respite before the winter chill settles in.
As summer fades into autumn, September in Boca Raton witnesses a gentle decline in daylight hours, offering about 12 hours of sunlight. This month marks a transition from the peak summer days, which boast up to 13 hours of daylight, into the shorter and cooler days of fall. Interestingly, the daylight trend throughout the year reveals a rhythmic pattern, with the longest days occurring in the heart of summer, then gradually tapering off. As the year progresses, daylight shrinks to about 10 hours by December, encapsulating the cyclical dance of light and shadow that defines Boca Raton's climate and seasonal rhythm.
In September, Boca Raton experiences a notable decline in wind speed, averaging only 2.4 m/s (5 mph), the lowest of the year. This gentle breeze contrasts sharply with the more robust winds seen earlier in the year, particularly in February, when speeds reached 5.0 m/s (11 mph). The trend is indicative of the transition from summer to fall, as temperatures cool and the tropical humidity begins to wane. With each passing month leading up to September, winds generally showed a downward trajectory, peaking in early months and softening further over the summer. This shift creates a serene atmosphere, perfect for enjoying the beach or outdoor activities, while indicating the calm before the breezier fall months return.
The weather in Boca Raton 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 Boca Raton and find detailed weather information for every month.
September and January present a striking contrast in weather conditions. September boasts warmer temperatures, with a minimum of 24°C (76°F) and an average reaching up to 28°C (83°F), peaking at a maximum of 33°C (92°F). However, it is also marked by significant rainfall, averaging 193 mm (7.6 in) spread over 22 days, maintaining high humidity levels at 83%. In contrast, January experiences much cooler temperatures, starting at a minimum of 6°C (44°F) and averaging 21°C (70°F), with a maximum of 29°C (85°F). Rainfall is minimal during this month, totaling just 38 mm (1.5 in) over 7 days, and humidity remains constant at 83%. For more detailed information, you can check out Boca Raton weather in January.
In comparing the weather between September and February, there is a notable contrast in temperature and precipitation. September features warmer temperatures, with minimums averaging around 24°C (76°F) and maximums reaching up to 33°C (92°F), while February experiences cooler temperatures, starting from a minimum of 9°C (49°F) and peaking at 29°C (84°F). Additionally, September is significantly wetter, with 193 mm (7.6 in) of precipitation over 22 days, compared to February's much drier conditions, which see only 56 mm (2.2 in) over 12 days. Humidity remains relatively high in both months, with September at 83% and February slightly lower at 80%. For more detailed information, you can check out Boca Raton weather in February.
When comparing the weather in September and March, it is evident that September tends to be much warmer and more humid. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). The month is characterized by high humidity at 83% and significant rainfall, totaling 193 mm (7.6 inches) over 22 days. In contrast, March offers a cooler climate, with temperatures ranging from 12°C (54°F) to 31°C (89°F) and an average of 23°C (74°F). March also experiences considerably less rainfall, with only 37 mm (1.5 inches) across 7 days and a slightly lower humidity level of 75%. Overall, September is marked by more tropical conditions, whereas March presents a milder and drier atmosphere. For more details on March weather, you can check Boca Raton weather in March.
When comparing the weather in September and April, notable differences emerge. September tends to be much warmer overall, with average temperatures around 28°C (83°F) and highs reaching up to 33°C (92°F), while April enjoys milder conditions with an average of 25°C (77°F) and similar maximum temperatures. However, September is characterized by significantly higher humidity at 83%, compared to April's 68%, making the latter feel more comfortable. Additionally, September sees considerable rainfall, with 193 mm (7.6 in) spread over 22 days, while April is drier, with only 83 mm (3.2 in) over 12 days. For more detailed insights, check out Boca Raton weather in April.
In comparing the weather of September and May, September tends to be warmer and more humid. With average temperatures peaking at 28°C (83°F) and maximums reaching 33°C (92°F), September enjoys a tropical warmth, but it also brings higher humidity levels at 83%. In contrast, May offers slightly cooler temperatures, with an average of 26°C (79°F) and maximums of 31°C (89°F). Additionally, May experiences less precipitation, averaging 160 mm (6.3 in) over 18 days, compared to September's 193 mm (7.6 in) over 22 days. For more details on May weather specifically, you can visit Boca Raton weather in May.
Both September and June exhibit similar temperature ranges, with minimum temperatures around 24°C (75-76°F), average temperatures approximately 28°C (82-83°F), and maximum temperatures peaking at around 33°C (91-92°F). However, September experiences slightly higher precipitation levels at 193 mm (7.6 in) over 22 days, compared to June’s 179 mm (7.0 in) over 23 days. Additionally, humidity levels are notably higher in September at 83%, while June maintains a lower humidity of 73%, making June feel somewhat drier than September. For more detailed information on June weather, you can check Boca Raton weather in June.
In comparing the weather of September and July, we find some interesting similarities and differences. Both months share a minimum temperature of 24°C (76°F) and an average temperature of 28°C (83°F), but July typically features a slightly higher maximum temperature of 34°C (93°F), compared to September's 33°C (92°F). Precipitation levels also differ; September receives more rainfall at 193 mm (7.6 in) over 22 days, while July sees 162 mm (6.4 in) of rain over 25 days. Additionally, September experiences higher humidity at 83%, compared to July's 77%. For more detailed information, refer to Boca Raton weather in July.
In comparing the weather between September and August, both months exhibit warm temperatures, with September averaging slightly cooler at 28°C (83°F) compared to August's 29°C (84°F). While the minimum temperatures are consistent at 24°C (76°F), September experiences a marginally higher maximum temperature of 33°C (92°F) compared to August's 32°C (91°F). Precipitation levels also mark a notable difference, with September receiving 193 mm (7.6 in) over 22 days, surpassing August's 165 mm (6.5 in) over 25 days. Humidity remains high in both months, but September is slightly more humid at 83%, compared to 80% in August. For a detailed look at the August weather conditions, visit Boca Raton weather in August.
September tends to be warmer and wetter compared to October, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 33°C (92°F) and a significant amount of rainfall measuring 193 mm (7.6 in) over 22 days. In contrast, October sees a noticeable drop in minimum temperatures to 14°C (58°F) while maintaining a slightly lower average of 27°C (81°F) and a maximum of 31°C (88°F). Rainfall decreases as well, to 157 mm (6.2 in) over 21 days, although humidity remains consistent at 83%. For more details on weather patterns in October, you can visit Boca Raton weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 24°C (76°F), averaging around 28°C (83°F), and reaching a maximum of 33°C (92°F). The month is quite wet, experiencing 193 mm (7.6 in) of precipitation over 22 days, while humidity remains high at 83%. In contrast, November experiences cooler temperatures, with a minimum of 11°C (52°F) and an average of 24°C (76°F), peaking at 30°C (86°F). Precipitation decreases significantly to 99 mm (3.9 in) spread across 15 days, yet humidity remains constant at 83%. For more details, you can check Boca Raton weather in November.
The weather in September and December varies significantly, showcasing the transition from late summer to early winter. In September, temperatures range from a minimum of 24°C (76°F) to a high of 33°C (92°F), with an average temperature of 28°C (83°F). The month is also characterized by high humidity at 83% and considerable rainfall, averaging 193 mm (7.6 in) over 22 days. In contrast, December experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 29°C (85°F), resulting in a more comfortable average of 22°C (72°F). Rainfall is substantially lower at 45 mm (1.8 in) over just 10 days, and humidity remains high at 84%. For a detailed look at December weather specifics, you can visit Boca Raton weather in December.
As September unfolds in Boca Raton, the weather showcases a unique blend of warmth and humidity that sets it apart from other months. With temperatures often reaching their peak, the average heat lingers, inviting residents and visitors alike to soak in the last waves of summer. However, this month also ushers in a significant amount of rainfall, with a notable number of days experiencing precipitation, adding a refreshing twist to the otherwise sultry conditions. The high humidity can make the air feel heavier, emphasizing that while the summer heat may linger, the transition into the fall season is palpable. For a more detailed understanding of what to expect throughout the year, check out Boca Raton Climate.