Last updated: February 24, 2025
In September, Clearwater, United States experiences warm temperatures with a maximum of 32°C (89°F) and an average of 27°C (82°F), making it a pleasant month for outdoor activities. The nights cool down to a minimum of 23°C (74°F), providing a comfortable setting for evening strolls. However, expect some moisture, as the area receives 135 mm (5.3 in) of precipitation over 18 days, contributing to a humidity level of 78%. Whether you're soaking up the sun or dodging a few raindrops, September in Clearwater offers a vibrant blend of summer's warmth and the refreshing feel of early autumn.
In September, Clearwater experiences a warm transition from the summer heat, with temperatures starting to moderate but still offering plenty of sunshine. The minimum temperature hovers around 23°C (74°F), while the average settles at a comfortable 27°C (82°F). This month retains a maximum temperature of 32°C (89°F), mirroring the peak of August but indicating a gradual ease towards fall. As the month progresses, the rising humidity gives way to more pleasant evenings, inviting outdoor activities and beach outings. Overall, September in Clearwater marks a delightful balance between the lingering warmth of summer and the early hints of autumn, making it a wonderful time to enjoy the coastal charm.
September in Clearwater brings with it a significant dip in rainfall compared to the previous months, yet it remains a notable time for precipitation, recording 135 mm (5.3 in) over 18 days. Following the peak of the summer months, which saw July and August drenched with 210 mm and 221 mm respectively, September's totals mark a transition into the drier fall season. Despite this reduction, the month still stands out as one of the wetter periods of the year, contributing to the lush landscape that characterizes the area. As temperatures cool, the rain fosters an invigorating atmosphere, making September a unique blend of lingering summer vibes and the gentle onset of autumn.
As September rolls into Clearwater, the humidity levels see a slight uptick, averaging 78%. This marks a transition from the summer's drier conditions, where the humidity dipped to 74% in both July and August. Interestingly, the humidity level in September is higher than the previous months but still lower than the more humid winter months, which begin to take hold in October and November, with figures rising to 79% and 82% respectively. This seasonal pattern highlights Clearwater's climate as it shifts from summer's comfort toward the more humid embrace of autumn, setting the stage for cozy, albeit steamy, fall days ahead.
As September rolls into Clearwater, the UV Index remains at a striking 11, indicating an extreme exposure category, with a burn time of just 10 minutes. This trend showcases the lingering intensity of summer, as the UV ratings maintain their high levels from the previous months, specifically mirroring the extreme conditions experienced in June, July, and August. Residents and visitors alike should remain vigilant about sun safety, as the risk of harm from UV rays persists. To learn more about the UV Index in Clearwater and how to protect yourself, visit Clearwater UV Index.
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As summer wanes and autumn approaches, September in Clearwater continues to bask in the sun, boasting an impressive 312 hours of sunshine. This figure is slightly lower than the peak summer months of May and July, both exceeding 320 hours, yet it still reflects a robust stretch of warm, sunny days. Following the lively summer season, September maintains a delightful balance, allowing residents and visitors alike to enjoy the fading summer warmth before transitioning to cooler fall weather. With sunshine hours gradually decreasing as the year progresses, Clearwater's September offers a perfect backdrop for outdoor activities, making it an ideal time for beach walks and sunset views. Amid the shifting seasons, Clearwater remains a radiant gem, welcoming all with its lingering rays.
In Clearwater, September marks a transitional phase in sunny weather, with a 32% chance of sunshine that dips significantly from the vibrant spring months. Following a peak of 60% in April, the summer months bring a decline, reaching their lowest in August and July, where the chances drop to 17% and 22% respectively. However, as the season shifts to fall, September continues to show a modest likelihood of sun, bridging the gap towards more favorable conditions in October, which climbs back up to 51%. This trend underscores Clearwater's sunny reputation, even as the summer heat gives way to cooler, cloudier days.
As September dawns in Clearwater, the daylight begins to wane, showcasing a gentle transition from the lush, sun-soaked days of summer. With 12 hours of daylight, this month marks a subtle decline from the consistent 13 hours that graced the summer months of June through August. Notably, the length of daylight in September ties closely with the blooming spring of March and April, where day lengths also peak at 12 hours. This rhythmic pattern hints at the approaching fall, as the days gradually shorten in anticipation of cooler weather, creating a perfect backdrop for enjoying outdoor activities before the year shifts into its darker months.
As summer transitions into autumn, September in Clearwater greets us with its gentle breezes, marked by an average wind speed of 3.5 m/s (8 mph)—the calmest in the year. This drop in wind intensity signals a shift from the more dynamic winds of earlier months. From an average peak of 5.4 m/s (12 mph) in February, winds have gradually ebbed through the warmer summer months, notably dipping from 4.2 m/s (9 mph) in August to this month’s soothing gusts. The mellow September winds create a tranquil atmosphere, perfect for enjoying the outdoors as nature prepares for cooler autumn days. Transitioning into October, we can expect a slight rise, hinting at the renewed energy of fall, yet September's breezes remain a soft reminder of summer's warm embrace.
The weather in Clearwater 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 Clearwater and find detailed weather information for every month.
In September, the weather is notably warmer, with average temperatures ranging from 23°C (74°F) at night to 32°C (89°F) during the day. This month also experiences significant rainfall, with approximately 135 mm (5.3 in) spread over 18 days, contributing to a high humidity level of 78%. In contrast, January presents a much cooler climate, where temperatures typically range from a chilly 2°C (36°F) at night to a mild 24°C (75°F) during the day. Rainfall is much lighter, totaling about 43 mm (1.7 in) across just 4 days, and the humidity remains relatively high at 82%. For a more detailed look at January weather, check out Clearwater weather in January.
September weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 27°C (82°F), reaching up to a maximum of 32°C (89°F). This month also sees significant precipitation, totaling 135 mm (5.3 in) over about 18 rainy days, accompanied by high humidity at 78%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 8°C (47°F) to an average of 18°C (65°F), peaking at 25°C (78°F). The month is relatively dry, featuring only 57 mm (2.2 in) of rain over just 5 days, while humidity remains slightly higher at 82%. For more details, check out Clearwater weather in February.
September and March exhibit strikingly different weather patterns. In September, temperatures are significantly warmer, with averages around 27°C (82°F) and highs reaching up to 32°C (89°F). The month is also marked by considerable rainfall, receiving about 135 mm (5.3 in) over 18 days, accompanied by high humidity levels of 78%. In contrast, March experiences much cooler temperatures, averaging 20°C (68°F) with maximums of 26°C (79°F) and minimums dropping to around 7°C (46°F). Precipitation is minimal in March, totaling just 20 mm (0.8 in) over 3 days, while humidity remains slightly higher at 79%. For more detailed information, you can explore Clearwater weather in March.
When comparing the weather in September and April, it's clear that September is significantly warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), while April offers cooler temperatures, averaging between 12°C (54°F) and 28°C (83°F). Additionally, September sees much more rainfall, with 135 mm (5.3 in) falling over 18 days, compared to April's 66 mm (2.6 in) over just 7 days. Despite both months having the same humidity level of 78%, the overall experience in September is characterized by greater heat and higher chances of precipitation. For more details on the specific weather in April, you can visit Clearwater weather in April.
September and May present distinct weather patterns in Clearwater. In September, temperatures are generally warmer, with a minimum of 23°C (74°F) and an average of 27°C (82°F), peaking at a maximum of 32°C (89°F). The month also experiences more rain, accumulating 135 mm (5.3 in) over 18 days, alongside a higher humidity level of 78%. In contrast, May sees slightly cooler temperatures, with a minimum of 18°C (64°F) and an average of 25°C (77°F), reaching a maximum of 30°C (86°F). Additionally, May features less precipitation, totaling 103 mm (4.0 in) across just 9 days, and a marginally lower humidity of 76%. For more details on May weather, you can visit Clearwater weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges with minimums around 23°C (74°F), average highs of 27-32°C (81-89°F), and consistent warmth throughout. However, September typically experiences slightly less precipitation, with 135 mm (5.3 in) over 18 days compared to June's 159 mm (6.3 in) over 19 days. Moreover, September tends to have higher humidity levels at 78%, while June enjoys a slightly lower humidity at 75%. These subtle differences can influence outdoor activities and comfort levels. For a detailed overview of June weather, you can check Clearwater weather in June.
When comparing the weather in September and July, both months experience similar temperature averages, with September registering a minimum of 23°C (74°F) and an average of 27°C (82°F), while July has a slightly higher minimum of 24°C (76°F) and an average of 28°C (82°F). However, July tends to be wetter, receiving 210 mm (8.3 in) of precipitation over 25 days compared to September's 135 mm (5.3 in) across 18 days. Additionally, the humidity levels in September are higher at 78%, compared to July's 74%. For more detailed information, you can check Clearwater weather in July.
In comparison to August, September experiences slightly cooler temperatures, with a minimum of 23°C (74°F) compared to August's minimum of 25°C (77°F). The average temperature in September is 27°C (82°F), just a degree lower than August's average of 28°C (83°F), while the maximum temperature remains the same at 32°C (90°F). Humidity is higher in September at 78%, compared to 74% in August. However, September sees significantly less precipitation, with 135 mm (5.3 in) over 18 days, whereas August has a much higher rainfall of 221 mm (8.7 in) over 25 days. For more detailed information, you can check Clearwater weather in August.
September tends to be warmer and wetter than October, with average temperatures reaching 27°C (82°F) and maximums peaking at 32°C (89°F). During this month, the region experiences significant rainfall, with 135 mm (5.3 in) recorded over 18 days. In contrast, October sees a decrease in both temperature and precipitation, with averages of 26°C (78°F) and only 71 mm (2.8 in) over 10 days. Interestingly, the humidity remains quite similar, hovering around 78% in September and 79% in October, making both months feel quite humid. For more detailed insights, you can check Clearwater weather in October.
In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (89°F) and an average of 27°C (82°F). This month also sees significant rainfall, with 135 mm (5.3 in) of precipitation spread over 18 days, contributing to a humidity level of 78%. In contrast, November brings cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F), averaging 21°C (70°F). The precipitation decreases significantly to 46 mm (1.8 in) over just 6 days, while humidity slightly rises to 82%. For more details about the November climate in Clearwater, you can check out Clearwater weather in November.
September and December display striking contrasts in weather patterns. September typically features warmer temperatures, with minimums around 23°C (74°F) and maximums reaching 32°C (89°F), alongside significant precipitation averaging 135 mm (5.3 in) spread over 18 days. This month also sees high humidity levels at 78%. In contrast, December offers a cooler climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (76°F). Precipitation is significantly lower in December, totaling only 70 mm (2.8 in) over just 6 days, while humidity rises to 84%. For a more detailed look at December weather in Clearwater, check out Clearwater weather in December.
As summer transitions to fall, September in Clearwater brings a distinctive mix of warmth and moisture, offering a reminder of the tropical climate that defines the region. While the average temperature remains comfortably warm, the higher humidity levels and increased precipitation days set September apart from the drier months of summer. With rain gracing the area on nearly half of the days, the lush surroundings become even more vibrant. If you're looking to understand how September's climate shapes the local atmosphere, explore more at Clearwater Climate.