September Weather in Holmes Beach, United States

Last updated: February 24, 2025

September in Holmes Beach, United States, offers a warm and humid escape, with average temperatures around 27°C (82°F). Expect maximum highs reaching 32°C (90°F) and comfortable lows of 24°C (75°F). While sunshine prevails, precipitation is prevalent, totaling 152 mm (6.0 in) across approximately 18 days, highlighting the tropical climate's characteristic wet spells. With humidity levels around 78%, visitors can anticipate a sultry atmosphere perfect for enjoying the beach, albeit with occasional rain showers.

September Temperature in Holmes Beach

In September, Holmes Beach enjoys a transition from the summer heat, with minimum temperatures averaging around 24°C (75°F), and peak highs reaching up to 32°C (90°F). The average temperature settles at a comfortable 27°C (82°F), providing ideal conditions for those looking to soak in the last rays of summer sunshine. As the month progresses, you'll notice a slight dip in temperatures compared to August, but the warmth remains inviting, allowing you to relish beach activities and outdoor adventures. Overall, September is a fantastic month for visitors, balancing the warmth of summer with the emerging charm of the fall season.

September Weather in Holmes Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Holmes Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636668737781828281797166
Data source: Temperature data for Holmes Beach generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Holmes Beach

In September, Holmes Beach experiences a notable dip in precipitation compared to the preceding summer months, with about 152 mm (6.0 inches) of rain falling over 18 days. This marks a shift from the peak of the wet season, which sees significantly higher averages in July and August. As the summer heat begins to wane, the rain is often heavy yet sporadic, offering respite from the humidity while contributing to the lush local landscape. This transitional month sets the stage for the drier conditions that typically follow in October, signaling a welcome change in the weather pattern as the region eases into fall.

September Precipitation Trends in Holmes Beach

The chart displays monthly precipitation patterns in Holmes Beach, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec38442255101168180208152674764
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Holmes Beach

In September, humidity levels in Holmes Beach rise slightly to 78%, marking a subtle shift from the summer months of July and August, which both recorded 74%. This uptick in humidity reflects the transition from the drier summer days to the more humid conditions typical of early fall. Interestingly, after the peak moisture levels typically seen in the winter months, where humidity can reach 84% in December, September acts as a bridge, hinting at both the lingering warmth and the approaching cooler seasons. As the year progresses, humidity trends suggest a notable increase in moisture during the latter part of the year, creating a unique atmosphere that defines Holmes Beach's coastal charm.

September Average Humidity in Holmes Beach

This chart illustrates the average monthly humidity levels in Holmes Beach, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Holmes Beach

As September rolls into Holmes Beach, the UV Index remains at a striking 11, categorizing it as extreme and signaling that sun safety is more crucial than ever. This trend of heightened UV levels stretches back through the summer months, with July peaking at 12, but September's consistent rating indicates that the risk of sunburn persists. With a burn time of just 10 minutes, beachgoers and outdoor enthusiasts should prepare by applying sunscreen regularly and seeking shade during peak sun hours. This month's UV Index reflects a vibrant summer that lingers into early fall, making it essential to stay vigilant against harmful rays. For more detailed information on UV levels, visit Holmes Beach UV Index.

Maximum UV Index Levels in Holmes Beach for September

The chart shows the monthly maximum UV Index (UVI) for Holmes Beach in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121111975
Data source: Holmes Beach September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Holmes Beach

As summer transitions to fall, September in Holmes Beach continues to bask in warm, golden sunshine with an impressive 311 hours of sunlight. This charming beach town experiences a slight dip from the peak summer months of May and July, yet still maintains a significant amount of bright skies that are essential for outdoor activities and relaxation. The month serves as a gentle reminder of the sunny days that characterize the region, trailing closely behind August's 316 hours, illustrating the area’s consistent appeal for sun-seekers. With September balancing warmth and sunlight, it remains an enchanting time to enjoy the serene beaches before the hustle of autumn settles in.

Monthly Sunshine Duration in Holmes Beach: September Highlighted

The September sunshine duration represents the total number of hours Holmes Beach experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec216h265h321h319h335h303h319h316h311h300h279h269h
Data source: Holmes Beach September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Holmes Beach During September

In Holmes Beach, Florida, the arrival of September brings a 32% chance of sunny weather, marking a notable dip from the warmer months. Following the summer highs of July and August, where the likelihood of sunshine plummets to just 24% and 18%, respectively, September continues this trend of reduced solar activity. Even with the start of autumn, the sunny days of April and May, boasting a 65% and 60% chance respectively, feel like a distant memory. However, as summer gives way to fall, locals can look forward to more favorable conditions in the coming months, with October's chance of sunshine rising again to 51%. This transitional period highlights the dynamic nature of weather patterns, where September serves as a bridge to brighter days ahead.

Percentage of Sunny Days in September in Holmes Beach

The chart illustrates the percentage of sunny days in Holmes Beach throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Holmes Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%56%65%60%19%24%18%33%51%55%59%
Data source: Holmes Beach September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Holmes Beach in September

As summer transitions into autumn, September in Holmes Beach offers a delightful 12 hours of daylight, perfectly bridging the vibrant energy of summer and the cozy charm of fall. Following the peak of 13 hours in the bustling months of June through August, the subtle decline reflects nature's gradual shift toward shorter days. This reduction in daylight foreshadows the upcoming cooler months, with October bringing an additional decrease to 11 hours. Nonetheless, September’s ample daylight invites locals and visitors alike to savor the last warm days at the beach, basking in the lingering glow of sun-kissed afternoons before the seasons change.

Average Daylight Hours in Holmes Beach for September

The chart illustrates the variation in daylight duration in Holmes Beach throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 49m13h 30m13h 49m13h 39m13h 3m12h 16m11h 28m10h 46m10h 25m
Data source: Holmes Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Holmes Beach

As summer transitions into autumn, September winds in Holmes Beach bring a noticeable dip in breeziness, with average speeds falling to a gentle 3.3 m/s (7 mph). This marks a period where the relentless heat of summer begins to wane, contrasting sharply with the earlier months when winds consistently hovered between 4.1 to 5.3 m/s (9 to 12 mph). Following the peak summer months where winds are at their lowest, September offers a tranquil reprieve, setting the stage for more moderate autumn breezes as the wind speeds start to rise again in October to 4.6 m/s (10 mph). This subtle ebb and flow of winds creates a uniquely calming atmosphere, perfect for enjoying the serene surroundings of Holmes Beach.

Average September Wind Speed in Holmes Beach

The chart displays monthly wind speed patterns in Holmes Beach, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.34.85.04.94.13.84.13.3 m/s4.65.03.5
Data source: Holmes Beach September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Holmes Beach Compares to Other Months

The weather in Holmes 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 Holmes Beach and find detailed weather information for every month.

September and January present striking contrasts in weather. In September, temperatures soar with a minimum of 24°C (75°F) and an average of 27°C (82°F), reaching highs of 32°C (90°F). The month is also characterized by significant precipitation, averaging 152 mm (6.0 in) over 18 days, and a humidity level of 78%. In contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to an average of 17°C (63°F) and a maximum of 24°C (75°F). Rainfall is minimal, with only 38 mm (1.5 in) spread across about 4 days, while humidity remains relatively high at 82%. For a closer look at January weather specifics, check out Holmes Beach weather in January.

September and February exhibit notable contrasts in weather patterns. September experiences warmer temperatures, with minimums around 24°C (75°F) and maximums peaking at 32°C (90°F), accompanied by a higher average temperature of 27°C (82°F). In contrast, February is much cooler, with lows of 9°C (49°F) and highs reaching 25°C (78°F), resulting in an average temperature of 19°C (66°F). Additionally, September tends to be significantly wetter, with 152 mm (6.0 in) of precipitation over 18 days, while February only sees 44 mm (1.7 in) across just 5 days. Humidity levels are fairly similar, hovering around 78% in September compared to 82% in February. For more detailed information on February weather, you can check Holmes Beach weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (82°F). The month is marked by substantial rainfall, totaling 152 mm (6.0 in) over 18 days, and high humidity levels at 78%. Conversely, March enjoys cooler temperatures with a minimum of 8°C (47°F), an average of 20°C (68°F), and a maximum of 26°C (79°F). Precipitation is significantly lower during this month, with only 22 mm (0.9 in) falling over just 3 days, while humidity remains similar at 79%. For a more detailed look at March weather, check out Holmes Beach weather in March.

September and April weather present a notable contrast. September tends to be warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), while April has milder temperatures, averaging from 13°C (55°F) to 28°C (82°F). Additionally, September experiences significantly more precipitation, with 152 mm (6.0 in) falling over 18 days, compared to April's 55 mm (2.2 in) over just 6 days. Despite both months having a humidity level of 78%, the overall climate in September feels more oppressive due to the heat and frequent rains. For more insights on April's weather, visit Holmes Beach weather in April.

When comparing September and May weather, it’s clear that September tends to be warmer and wetter. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (82°F). There is also significant precipitation, averaging 152 mm (6.0 in) over 18 days, and humidity is relatively high at 78%. In contrast, May enjoys milder temperatures, with a minimum of 18°C (65°F) and a maximum of 30°C (87°F), averaging 25°C (77°F). Precipitation is markedly lower at 101 mm (4.0 in) over just 10 days, accompanied by slightly lower humidity at 76%. For more detailed insights, check out Holmes Beach weather in May.

When comparing the weather in September and June, both months experience similar minimum and average temperatures, hovering around 24°C (75°F) and 27°C (81°F) respectively. However, September tends to be slightly warmer overall with a maximum temperature reaching 32°C (90°F) compared to June's 31°C (89°F). In terms of precipitation, September sees 152 mm (6.0 in) over 18 days, while June has a bit more rain at 168 mm (6.6 in) across 19 days. Humidity levels are higher in September at 78%, compared to June's 75%, adding to the overall muggy feel during that month. For a closer look at the weather specifics, you can check Holmes Beach weather in June.

When comparing the weather in September and July, both months exhibit warm temperatures, with September showing slightly cooler minimum temperatures at 24°C (75°F) compared to July’s minimum of 25°C (77°F). The average temperature for both months is similar, with September averaging 27°C (82°F) and July averaging 28°C (82°F), while both have the same maximum of 32°C (90°F in September and 89°F in July). Precipitation levels are notably higher in July, with 180 mm (7.1 in) falling on 24 days, compared to September's 152 mm (6.0 in) over 18 days. Interestingly, September experiences higher humidity at 78%, whereas July's humidity is slightly lower at 74%. For more detailed insights, you can check Holmes Beach weather in July.

In comparing the weather of September and August, we see that September experiences slightly cooler minimal temperatures, averaging 24°C (75°F) compared to August's minimum of 25°C (77°F). Both months have the same maximum temperature of 32°C (90°F); however, September has a lower average temperature of 27°C (82°F) versus August's 28°C (83°F). Additionally, September sees a decrease in precipitation, with 152 mm (6.0 in) over 18 days, whereas August brings higher precipitation levels of 208 mm (8.2 in) across 25 days. Despite the increased rainfall in August, it has a lower humidity level at 74%, compared to September's 78%. For a more extensive overview, you can refer to Holmes Beach weather in August.

September weather is characterized by warmer temperatures, with minimums around 24°C (75°F) and maximums reaching up to 32°C (90°F). The month also sees significant rainfall, totaling 152 mm (6.0 in) over 18 days, with humidity averaging 78%. In contrast, October brings a noticeable drop in minimum temperatures, starting at 15°C (60°F), while average temperatures remain relatively mild at 26°C (79°F), and maximum temperatures reach 31°C (87°F). Precipitation decreases significantly to 67 mm (2.7 in) over just 10 days, with humidity slightly higher at 79%. For more detailed information about October weather, visit Holmes Beach weather in October.

The weather in September is noticeably warmer than in November, with average temperatures around 27°C (82°F) compared to November's 22°C (71°F). September experiences higher maximum temperatures reaching 32°C (90°F) and a significant amount of rainfall, totaling 152 mm (6.0 in) over 18 days. In contrast, November is much drier, with only 47 mm (1.8 in) of rain falling over 6 days, although humidity remains relatively high at 82%. For a detailed look at November weather, you can check out Holmes Beach weather in November.

September and December showcase a significant shift in weather conditions. In September, temperatures are warm and humid, with minimums around 24°C (75°F) and maximums reaching up to 32°C (90°F). The month also experiences considerable rainfall, averaging 152 mm (6.0 in) spread over 18 days, resulting in a humidity level of 78%. In contrast, December brings much cooler temperatures, with minimums dropping to 8°C (46°F) and maximums peaking at 25°C (77°F). Precipitation decreases significantly to 64 mm (2.5 in) over just 6 days, while humidity rises slightly to 84%. For more detailed information, check out the Holmes Beach weather in December.

Compare Holmes Beach's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Holmes Beach

September in Holmes Beach brings a unique blend of warmth and humidity, setting it apart from the rest of the year. With temperatures averaging around 27°C (82°F), beachgoers can expect pleasantly warm days, though the high humidity levels often make it feel a touch warmer. This month also sees a notable increase in precipitation, with frequent rain showers gracing the landscape on roughly 18 days, contributing to the lush, tropical atmosphere. As summer wanes and fall approaches, the vibrant natural beauty of the area shines through, offering a refreshing transition while keeping the beach vibe alive. For a deeper dive into what the weather holds throughout the year, check out the detailed insights at Holmes Beach Climate.