Last updated: February 24, 2025
September in Delray Beach, United States, is characterized by warm temperatures and high humidity, making it a quintessential tropical month. Daytime highs can reach up to 34°C (93°F), with an average temperature of 28°C (83°F), while nights cool to a comfortable 24°C (76°F). However, this warmth is accompanied by significant rainfall, with an average precipitation of 197 mm (7.7 in) over 23 days, leading to a lush and vibrant landscape. The humidity hovers around 83%, enhancing the tropical atmosphere, but also reminding visitors to stay cool and hydrated while enjoying the beauty of Delray Beach.
September in Delray Beach brings a continuation of the summer warmth, with minimum temperatures around 24°C (76°F) and averages peaking at 28°C (83°F). This month stands out with a maximum temperature that can reach up to 34°C (93°F), maintaining the area's reputation for its sultry weather. As the heat lingers from the preceding months, September serves as a transition before the cooler air of autumn arrives. With these consistent warm conditions, visitors can still enjoy the beaches and outdoor activities, soaking in the last remnants of summer while the ocean remains comfortably warm.
In September, Delray Beach experiences a notable peak in precipitation, with 197 mm (7.7 inches) of rain falling over 23 days. This increase continues the trend established in the summer months, where rainfall typically intensifies, peaking in June and July. While August also contributes significantly to the wet season, September marks a transition towards drier autumn months. Interestingly, despite the rising precipitation levels, the frequency of rain days shows a slight decrease from the preceding summer months, suggesting that while showers may be abundant, they are less consistent than earlier in the season. As Delray Beach navigates this dynamic weather pattern, the blend of humidity and rain offers a unique tropical ambiance before the drier months descend.
In Delray Beach, September marks a notable return to higher humidity levels, averaging 83%, similar to both January and October. This month continues the trend set during the summer, where humidity peaks in August at 80% and remains elevated through the fall months. As the year progresses from the drier spring months—where humidity dips to 65% in May—the lush, tropical atmosphere of Delray Beach becomes more pronounced. Interestingly, while the humidity remains high throughout the latter part of the year, October and November maintain the 83% mark, providing a seamless transition into the more humid winter months, which culminate in December at 84%. This consistency in humidity creates a rich and vibrant coastal climate that characterizes Delray Beach year-round.
In September, Delray Beach experiences an UV Index of 11, marking it as an extreme exposure category with a burn time of just 10 minutes. This month continues the trend observed from the summer, where the UV levels remained significantly high, peaking at 12 during the previous months. As the fall approaches, the UV intensity begins to taper off slightly, yet it still requires vigilant sun protection. Residents and visitors alike should be mindful of the risks associated with high UV exposure, ensuring they prioritize skin safety during this time. For more detailed information, check the Delray Beach UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Delray Beach continues to bask in ample sunlight, boasting 315 hours of sunshine. While slightly lower than the sun-drenched peak of July at 340 hours, September still maintains a vibrant warmth indicative of its place within the sunniest months of the year. The lingering summer rays transition seamlessly into the early fall, contributing to a delightful climate perfect for outdoor activities and beach outings. Throughout the year, Delray Beach witnesses a steady decline in sunshine hours from the dazzling heights of April and July, yet September's totals reflect an inviting balance, ensuring that residents and visitors alike can savor the last golden days of summer before the cooler months set in.
As summer fades into autumn, September in Delray Beach offers a 32% chance of sunny weather. This marks a notable dip in sunshine from the preceding months, where June, July, and August experience much lower likelihoods of sunny days, hovering around the 16% to 24% range. In comparison to the earlier part of the year, September's sunshine likelihood is more optimistic than summer but less plentiful than spring, revealing a seasonal transition that evokes the charm of early fall. Looking ahead, October presents a rebound with a 46% chance of sun, suggesting that while September may be cloudier, the promise of bright days is just around the corner.
In Delray Beach, United States, the month of September heralds a subtle transition in daylight, as the sun graces the skies for approximately 12 hours each day. This marks a tapering off from the peak of summer, where long, sunlit days stretched to 13 hours from May through August. As we bid farewell to the heat of summer, September brings a slight reduction in daylight, reminiscent of the longer hours in the early months of the year, indicating a slow shift toward the cooler, shorter days of fall. This trend illustrates the rhythmic ebb and flow of sunlight throughout the year, inviting residents to savor the warm remnants of summer as daylight gradually recedes.
As summer wanes in Delray Beach, September brings a notable shift in the wind, with average speeds dropping to a gentle 2.5 m/s (6 mph). This period marks the lowest wind velocity of the year, a stark contrast to the breezier months earlier, where averages hovered around 4.0 to 5.0 m/s. Following the late summer lull, the winds begin to pick up again in October, suggesting a return to more favorable conditions. Overall, September's calmness signifies a transitional moment, inviting leisurely seaside strolls and serene sunset gazing, as the summer heat gradually gives way to the refreshing fall air.
The weather in Delray 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 Delray Beach and find detailed weather information for every month.
September and January exhibit strikingly different weather patterns. In September, expect much warmer temperatures, ranging from a minimum of 24°C (76°F) to a maximum of 34°C (93°F), alongside high humidity at 83% and substantial rainfall totaling 197 mm (7.7 in) over 23 days. In contrast, January offers a cooler climate with temperatures dipping to a minimum of 6°C (44°F) and peaking at 29°C (85°F), while experiencing significantly less precipitation at just 41 mm (1.6 in) over 7 days, maintaining the same humidity level of 83%. For an in-depth look at what January brings, check out Delray Beach weather in January.
In September, temperatures are notably higher, with minimums around 24°C (76°F) and maximums reaching up to 34°C (93°F), making it a warm and humid month with an average of 28°C (83°F). The weather is characterized by significant rainfall, with 197 mm (7.7 in) spread over 23 days, resulting in high humidity levels at 83%. In contrast, February offers a much cooler climate, with minimums dropping to 10°C (50°F) and maximums around 29°C (84°F), yielding a more comfortable average of 23°C (73°F). Precipitation is considerably lower in February, totaling only 54 mm (2.1 in) across 10 days, and humidity stands at 80%. For more details about the weather in February, check out Delray Beach weather in February.
In comparing the weather of September and March, notable differences emerge. September boasts a warm climate, with average temperatures around 28°C (83°F) and highs reaching up to 34°C (93°F), accompanied by high humidity at 83%. However, this month also brings significant rainfall, with 197 mm (7.7 inches) spread over 23 days. In contrast, March offers a more temperate experience, featuring average temperatures of 23°C (73°F) and maximums of 31°C (89°F). The humidity is slightly lower at 75% and rainfall is minimal, with only 37 mm (1.4 inches) over just 7 days. For a more detailed look at weather patterns, check out Delray Beach weather in March.
September and April present contrasting weather patterns. In September, temperatures are notably warmer, with minimums around 24°C (76°F) and averages reaching 28°C (83°F), peaking at a maximum of 34°C (93°F). This month also experiences significant rainfall, with 197 mm (7.7 in) spread over 23 days and high humidity at 83%. In contrast, April tends to be milder, with temperatures ranging from a minimum of 15°C (59°F) to an average of 25°C (76°F), and a maximum of 33°C (91°F). Rainfall is considerably lower at 89 mm (3.5 in) over just 11 days, alongside a more comfortable humidity level of 68%. For more specific details on April weather, you can refer to Delray Beach weather in April.
In September, the weather tends to be warmer and more humid compared to May, with minimum temperatures averaging 24°C (76°F) and maximums reaching up to 34°C (93°F). The month sees substantial rainfall, with around 197 mm (7.7 in) of precipitation spread over 23 days, contributing to a high humidity level of 83%. Conversely, May features milder temperatures, with a minimum of 19°C (66°F) and a maximum of 32°C (90°F), along with lower precipitation levels of 161 mm (6.3 in) over 17 days and a humidity of 65%. For more detailed information on the weather conditions in May, you can visit Delray Beach weather in May.
When comparing the weather in September and June, both months exhibit relatively warm temperatures, with September having a slightly higher average daily temperature of 28°C (83°F) compared to June's 27°C (82°F). Interestingly, both months share a minimum temperature of around 24°C (75°F-76°F), but September reaches a maximum of 34°C (93°F), while June peaks at 33°C (91°F). Precipitation levels are comparable, with September seeing 197 mm (7.7 in) over 23 days and June experiencing slightly more with 207 mm (8.2 in) across 24 days. Notably, September has a higher humidity level at 83% compared to June's 73%. For more detailed insights, visit Delray Beach weather in June.
In comparing the weather of September to that of July, we notice some interesting similarities and differences. Both months have a similar average temperature of 28°C (83°F) and a maximum of 34°C (93°F). However, September tends to have slightly higher humidity at 83%, compared to July's 77%. Precipitation levels are also notable; September sees more rainfall with 197 mm (7.7 in) over 23 days, while July has 184 mm (7.2 in) spread across 28 days. This suggests that while both months are warm, September can be wetter and more humid. For a closer look at July weather specifics, check out Delray Beach weather in July.
In comparing the weather of September and August, September experiences slightly warmer temperatures, with an average of 28°C (83°F) compared to August's 29°C (84°F). While the minimum temperature in September is a bit lower at 24°C (76°F), the maximum temperature reaches 34°C (93°F), surpassing August's maximum of 32°C (90°F). Both months see similar precipitation levels, with September receiving 197 mm (7.7 in) over 23 days and August recording 195 mm (7.7 in) over 26 days. Humidity levels are slightly higher in September at 83%, compared to August's 80%. For more details, visit Delray Beach weather in August.
September weather is characterized by higher temperatures, with a minimum of 24°C (76°F) and a maximum reaching up to 34°C (93°F), averaging around 28°C (83°F). It's also marked by considerable rainfall, totaling 197 mm (7.7 in) over 23 days, while humidity remains high at 83%. In contrast, October sees a notable drop in minimum temperatures to 14°C (58°F), with an average of 27°C (81°F) and a maximum of 31°C (88°F). Although October has slightly less rainfall, with 158 mm (6.2 in) over 22 days, the humidity level remains constant at 83%. For more details, you can check out Delray Beach weather in October.
In September, the weather is significantly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 34°C (93°F), and an average of 28°C (83°F). The month is also quite rainy, experiencing 197 mm (7.7 in) of precipitation over 23 days, contributing to a high humidity level of 83%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 11°C (52°F) and a maximum of 29°C (85°F), averaging 24°C (76°F). The rainfall decreases to 97 mm (3.8 in) over 15 days, while the humidity remains the same at 83%. For more detailed information, check out Delray Beach weather in November.
September weather is characterized by higher temperatures and significant rainfall. The month sees an average temperature of 28°C (83°F), with maximum temperatures reaching 34°C (93°F). It's also quite wet, with 197 mm (7.7 in) of precipitation spread over 23 days, contributing to high humidity levels of 83%. In contrast, December offers a much cooler climate, with average temperatures dropping to 22°C (72°F) and a maximum of 29°C (85°F). Rainfall is significantly reduced to 48 mm (1.9 in) occurring over just 10 days, while humidity remains relatively high at 84%. For an in-depth look at December weather, check out Delray Beach weather in December.
As summer transitions into fall, September in Delray Beach brings a unique blend of warmth and humidity, setting it apart from other months. With temperatures averaging a balmy 28°C, this month often feels hotter due to the 83% humidity, creating a thick, tropical atmosphere. However, what stands out most is the significant rainfall, as September typically experiences the highest precipitation of the year, with nearly 23 days of rain. This mix of heat and moisture contributes to a lush environment, ideal for growth while also reminding residents and visitors alike of the hurricane season's potential. For more insights into how Delray Beach's weather patterns shape your experience, check out Delray Beach Climate.