Last updated: February 24, 2025
September at Saint Augustine Beach offers a warm and inviting atmosphere, with maximum temperatures soaring to 33°C (92°F) and an average of 27°C (81°F), providing ample opportunities for outdoor activities. The minimum temperature hovers around a comfortable 20°C (68°F). However, be prepared for frequent rain, as the month sees an impressive 162 mm (6.4 in) of precipitation over 19 days, contributing to the region's lush landscapes. With humidity levels at a steamy 83%, visitors can expect a tropical ambiance that enhances the charm of this coastal destination.
In September, Saint Augustine Beach offers a delightful transition from the sultry summer months to the more temperate autumn. With minimum temperatures around 20°C (68°F) and daytime averages reaching 27°C (81°F), the warmth persists, making it perfect for beachgoers and outdoor enthusiasts. The maximum heat still peaks at about 33°C (92°F), reminiscent of August's peak; however, a subtle easing of humidity can be felt, hinting at the approaching cooler days. This month is characterized by a harmonious blend of summer's lingering warmth and the early whispers of fall, creating an ideal backdrop for enjoying sun-drenched days and pleasant evenings by the coast.
In September, Saint Augustine Beach experiences a notable surge in precipitation, with an impressive 162 mm (6.4 in) of rain falling over 19 days. This increase marks the culmination of the wet season, following a steady rise in rainfall since the summer months. Notably, September's rainfall slightly surpasses that of both August and July, further emphasizing its position as one of the wetter months of the year. The frequent rainfall not only contributes to the region's lush vegetation but also aligns with the broader trend of heightened precipitation in late summer and early fall, making it a unique time for both residents and visitors to embrace the vibrant, rain-soaked beauty of this coastal paradise.
In Saint Augustine Beach, United States, September brings a notable resurgence in humidity, peaking at 83%. This uptick follows a trend that begins to take shape in the warmer months, as humidity levels gradually rise from a low of 68% in May to July's 79%, settling slightly lower in August at 81%. As summer transitions into autumn, the humidity remains relatively high, reflecting the region's coastal climate. Notably, this September humidity mirrors that of January, suggesting a cyclical rhythm that characterizes the area's weather patterns. As the year progresses into October, humidity dips just slightly to 81%, yet maintains a consistency that keeps the beach atmosphere warm and inviting.
In September, Saint Augustine Beach experiences a consistent UV Index of 11, classifying it within the extreme exposure category. This means sunbathers and outdoor enthusiasts need to be particularly cautious, as the time it takes for unprotected skin to burn drops to just 10 minutes. Following a summer of high UV levels, September maintains this intensity, reflecting a trend of strong solar radiation that peaks during the summer months before slightly tapering off in October. Consequently, it's crucial to protect your skin with appropriate measures, ensuring enjoyable outdoor activities while minimizing the risk of sunburn. For more detailed UV information, visit Saint Augustine Beach UV Index.
UV Risk Categories
September in Saint Augustine Beach wraps up the summer with a dazzling 301 hours of sunshine, signaling a gentle transition into fall. As the month bids farewell to the peak summer heat, the golden rays continue to shine, though slightly dimmed compared to the sun-drenched months of July (334 hours) and August (319 hours). This month’s bright days are part of a remarkable trend, showcasing the abundant light that graces the area through its warm seasons, with hours gradually tapering off as autumn approaches. Overall, September’s sunshine serves as a delightful reminder of summer's lingering warmth before giving way to the cooler, crisper days of October, which brings 288 hours of sunlight.
In Saint Augustine Beach, the likelihood of sunny weather in September stands at 36%, marking a noticeable dip from the sunnier spring and early summer months. As the summer heat gives way to autumn, the chance of clear skies decreases somewhat from the 50% probability in May and April, reflecting a trend toward more variable weather patterns. Comparatively, the more favorable sunshine rates return in October with 46%, suggesting that while September may not be the sunniest month, it still offers glimpses of brightness amidst the shifting seasons. This pattern highlights the transitional nature of the weather as summer fades and fall approaches, inviting visitors to experience the unique charm of the beach during this time.
As September settles in at Saint Augustine Beach, daylight begins to wane, offering about 12 hours of sunlight—a subtle decline from the vibrant 14 hours of June. This month marks a transitional phase, where summer's intensity gently gives way to the cooler embrace of autumn. Following a pattern observed throughout the year, daylight in September mirrors that of March and April, showcasing the rhythmic balance of nature's cycles. As the days shorten, the inviting Florida skies still provide ample time for beachcombing and sunset watching, reminding us that each season unfolds its own unique charm.
As summer transitions into autumn, September brings a noticeable shift in wind patterns at Saint Augustine Beach. With an average wind speed dropping to 2.9 m/s (6 mph), it marks the calmest month of the year, offering a gentle reprieve from the stronger summer breezes. This decline contrasts with the slightly elevated speeds seen in earlier months, such as March and May, when winds hovered around 4.4 m/s (10 mph). As the autumn months approach, wind speeds begin to rise again, hinting at a resurgence in dynamic weather patterns ahead. This tranquil September breeze presents an ideal backdrop for beachgoers looking to enjoy the serene beauty of the coastline before the more robust winds of fall arrive.
The weather in Saint Augustine 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 Saint Augustine Beach and find detailed weather information for every month.
September and January weather present a stark contrast. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). The month is characterized by considerable rainfall, totaling 162 mm (6.4 in) over 19 days, making it quite humid at 83%. In comparison, January offers much cooler conditions, with temperatures dipping to a minimum of 0°C (33°F) and peaking at 25°C (77°F), averaging 15°C (60°F). Precipitation is significantly lower in January, with only 47 mm (1.9 in) over 5 days, while humidity remains constant at 83%. For more insights on January weather, you can visit Saint Augustine Beach weather in January.
September and February showcase a significant contrast in weather patterns. In September, temperatures are much warmer, ranging from a minimum of 20°C (68°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). The month also experiences considerable precipitation, with 162 mm (6.4 in) spread across 19 days and humidity levels averaging 83%. In contrast, February brings milder temperatures, with a minimum of 5°C (41°F) and a maximum of 26°C (79°F), averaging only 17°C (63°F). Precipitation is significantly lower in February, totaling 61 mm (2.4 in) over 9 days and maintaining a slightly lower humidity of 80%. For more detailed insights into February weather, you can check Saint Augustine Beach weather in February.
When comparing the weather in September and March, notable differences emerge in temperature and precipitation. September features a significantly warmer climate with average daily temperatures ranging from a mild 20°C (68°F) to a high of 33°C (92°F). In contrast, March offers cooler conditions, with temperatures averaging between 6°C (44°F) and 28°C (82°F). Additionally, September experiences much higher precipitation, with 162 mm (6.4 in) falling over 19 days, compared to a modest 34 mm (1.3 in) over just 6 days in March. Humidity levels are also higher in September at 83%, while March sees a lower humidity of 75%. For more detailed insights on March weather, check out Saint Augustine Beach weather in March.
When comparing the weather in September and April, notable differences emerge. In September, temperatures are significantly warmer, with a minimum of 20°C (68°F) and an average of 27°C (81°F), peaking at 33°C (92°F). The month also brings higher precipitation, with 162 mm (6.4 in) and rain on 19 days, creating a humid environment with a humidity level of 83%. In contrast, April experiences cooler temperatures, starting at a minimum of 11°C (52°F) and averaging 21°C (70°F), with a maximum of 30°C (85°F). The rainfall is much lighter in April, totaling 82 mm (3.2 in) over just 7 days, and the humidity is lower at 70%. For more details on the weather in April, you can check Saint Augustine Beach weather in April.
When comparing the weather in September and May, we see notable differences in temperature, precipitation, and humidity. September typically experiences warmer temperatures, with a minimum of 20°C (68°F) and an average of 27°C (81°F), while May starts cooler, with a minimum of 14°C (58°F) and an average of 24°C (76°F). Additionally, September brings considerably more rainfall, averaging 162 mm (6.4 in) over 19 days, compared to May's milder 77 mm (3.0 in) over just 8 days. Humidity levels are also higher in September at 83%, compared to 68% in May, making the latter a more comfortable time of year. For more detailed insights into May's weather, you can check out Saint Augustine Beach weather in May.
In comparing the weather of September and June, we find notable differences in temperature and precipitation patterns. September experiences slightly warmer minima, with temperatures starting at a minimum of 20°C (68°F) compared to June's 22°C (72°F). The average temperature in September is marginally higher at 27°C (81°F) versus June's 26°C (80°F). Both months reach a peak of 33°C (92°F). However, September sees significantly more rainfall, with 162 mm (6.4 in) over 19 days, compared to June's 143 mm (5.6 in) over 22 days, resulting in higher humidity levels of 83% in September versus 75% in June. For more detailed weather information, you can check Saint Augustine Beach weather in June.
When comparing the weather in September and July, both months show similar average temperatures, hovering around 27°C (81°F). However, July experiences slightly higher minimum temperatures at 24°C (75°F) compared to September's 20°C (68°F). Interestingly, both months have comparable maximum temperatures, reaching 33°C (91°F) in July and 33°C (92°F) in September. Rainfall is another notable difference; September sees more precipitation with 162 mm (6.4 in) over 19 days, while July has 161 mm (6.3 in) spread over 23 days. Humidity levels are also higher in September at 83%, compared to July's 79%. For more specific insights into July's climate, you can check Saint Augustine Beach weather in July.
In September, the weather sees a slight dip in temperature compared to August, with minimums around 20°C (68°F) and maximums reaching 33°C (92°F), while August boasts a warmer minimum of 24°C (75°F) and a maximum of 34°C (93°F). Average temperatures in September are around 27°C (81°F), just slightly lower than the average of 28°C (82°F) in August. Precipitation increases in September to 162 mm (6.4 in) over 19 days, compared to 146 mm (5.8 in) during 24 days in August, making September slightly wetter. Humidity levels remain comparable, with September at 83% and August at 81%. For more detailed insights about August weather, you can check Saint Augustine Beach weather in August.
September and October weather displays notable differences, particularly in temperature and precipitation. September tends to be warmer, with minimum temperatures averaging 20°C (68°F) and peaking at 33°C (92°F), compared to October's lower minimum of 11°C (51°F) and a maximum of 32°C (89°F). While September experiences higher precipitation, totaling 162 mm (6.4 in) over 19 days, October sees a reduction to 123 mm (4.9 in) across 16 days, making it relatively drier. Humidity levels also slightly decrease from 83% in September to 81% in October. For more detailed weather insights, check out Saint Augustine Beach weather in October.
September and November present contrasting weather conditions. In September, the temperatures are significantly warmer, with average highs around 27°C (81°F) and peaks reaching up to 33°C (92°F), accompanied by high humidity levels at 83%. Additionally, September experiences more rainfall, totaling 162 mm (6.4 in) over 19 days. In contrast, November sees much cooler temperatures, with a minimum of 6°C (43°F) and an average high of 20°C (68°F), alongside reduced precipitation of 91 mm (3.6 in) and only 10 rainy days. Humidity remains relatively consistent at 82%. For more detailed insights on November's climate, visit Saint Augustine Beach weather in November.
In September, the weather is notably warmer, with average temperatures around 27°C (81°F) and maximums reaching up to 33°C (92°F). This month also experiences significant rainfall, with precipitation of 162 mm (6.4 in) spread over 19 days, contributing to a high humidity level of 83%. In contrast, December brings cooler temperatures, with averages dropping to 17°C (63°F) and maximums peaking at 26°C (78°F). Rainfall is considerably less, totaling 70 mm (2.7 in) over just 8 days, while humidity remains relatively consistent at 84%. For more detailed information, visit Saint Augustine Beach weather in December.
As September unfolds at Saint Augustine Beach, the weather takes on a unique character compared to the earlier summer months. With temperatures reaching a maximum of 33°C and an average of 27°C, the warmth remains inviting, but the humidity can feel more pronounced, hovering around 83%. Rainfall is also a notable feature, with 162 mm of precipitation spread over 19 days, making it one of the wetter months. This combination of heat and moisture can create a lush tropical atmosphere, perfect for those who enjoy the dynamic unpredictability of late summer. For a deeper dive into what to expect throughout the year, check out Saint Augustine Beach Climate.