Last updated: February 24, 2025
In Crystal River, United States, September showcases a blend of warmth and humidity, with maximum temperatures reaching a sweltering 37°C (98°F) and an average of 27°C (81°F), while the mercury dips to a minimum of 18°C (65°F). This month brings considerable rainfall, accumulating 149 mm (5.8 in) over approximately 16 days, resulting in a high humidity level of 83%. Such conditions create a tropical ambiance, perfect for those who enjoy lush landscapes and vibrant outdoor activities, albeit with a potential for frequent afternoon showers.
In September, Crystal River, United States, experiences a warm transition as summer gently gives way to autumn. The temperatures during this month show a notable increase, with average highs reaching 37°C (98°F), making it one of the warmer months of the year. Nighttime lows are relatively mild at 18°C (65°F), offering a comfortable reprieve from the daytime heat. This pattern highlights a steady increase in temperatures during the late summer months, peaking in September before gradually declining as fall approaches. Overall, the warmth and lingering summer vibe make September a delightful time to enjoy the area’s natural beauty.
In September, Crystal River experiences a notable shift in precipitation patterns, with 149 mm (5.8 in) of rain over 16 days, marking a dip from the heavy deluges of summer. This month typically sees a blend of refreshing showers that contribute to the lush landscape, following a particularly rain-soaked August which recorded 209 mm (8.2 in). As the region transitions from the stormy months of July and August—with 217 mm (8.5 in) and 26 days of rain respectively—the slightly reduced rainfall in September signifies the onset of drier autumn months ahead. This balancing act of moisture supports both vibrant foliage and a gradual easing into the cooler season, setting the stage for a dynamic climatic shift in the weeks to come.
In September, Crystal River experiences a notable uptick in humidity, reaching 83%—equal to the levels seen in January and November. This resurgence in moisture is characteristic of the transition into fall, following the slightly lower averages observed through the summer months. While May reports the driest conditions at 75%, the latter part of the year shows a trend of increasing humidity, culminating in December's peak of 86%. Such fluctuations highlight the region's distinct seasonal rhythms, where the warmth of late summer gives way to a moist and invigorating fall atmosphere.
In September, Crystal River experiences a very high UV Index of 10, indicating that sun protection is essential, with a burn time of just 15 minutes. This marks a slight decrease from the peak extreme levels seen in the summer months of June through August, but caution is still required when outdoors. As we transition from the sweltering heat of summer to the milder fall season, the UV Index remains significantly elevated compared to the winter months, suggesting that even as temperatures begin to drop, residents and visitors should remain vigilant about sun safety. For more detailed insights on UV exposure in this vibrant coastal town, check out the comprehensive resource at Crystal River UV Index.
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September in Crystal River shines brightly with 301 hours of sunshine, continuing a trend of abundant daylight experienced throughout the summer months. Following a vibrant May with 332 hours—the sunniest month of the year—this seaside community maintains a warm glow as summer transitions to fall. With August slightly trailing at 309 hours, the days remain long and inviting, providing ample opportunity for outdoor adventures. As the year progresses, September's sunshine prepares residents and visitors alike for the cooler months ahead, while the warmth of summer still lingers in the air.
September in Crystal River, United States, offers a moderate chance of sunny weather, with only 32% likelihood of sunshine. This marks a noticeable drop from the spring and early summer months, where April reached a high of 53% and May maintained a solid 51%. Following the peak summer months of June, July, and August—when the sun seemed to hide a bit more, with chances as low as 16%—September stands out as a transitional period. As the season shifts towards autumn, the sun's reemergence becomes more frequent, as indicated by rising chances in October and November, which bounce back to 48% and 52% respectively. Thus, while September may not be the sunniest of months, it serves as a bridge to brighter days ahead.
As summer fades into autumn, September in Crystal River, United States, ushers in a gentle decline in daylight, offering 12 hours of light each day. This month marks a transition from the bright, sun-soaked days of July and August, which enjoy a peak of 13 hours of daylight. The gradual shortening of days reflects nature's inevitable shift as the year progresses, with daylight decreasing to 11 hours in October, before dipping further into winter's embrace. This brief reprieve in daylight reminds us to savor the lingering warmth and beauty that September brings, all while signaling the seasonal changes on the horizon.
As September rolls into Crystal River, the landscape experiences a notable shift in wind patterns, with average wind speeds dipping to a gentle 2.1 m/s (5 mph). This decline marks a continuation of the trend observed through the summer months, where wind speeds have gradually decreased, reaching their lowest point in the year. Following the breezy winter and spring months, which saw average speeds consistently above 3 m/s, the lighter winds of September provide a contrast to the energetic gusts of earlier seasons. As fall approaches, residents and visitors alike may find the serene breezes create a tranquil atmosphere, perfect for enjoying the picturesque surroundings of this charming locale.
The weather in Crystal River 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 Crystal River and find detailed weather information for every month.
In September, the weather is characterized by warm temperatures, with a minimum of 18°C (65°F), an average of 27°C (81°F), and a maximum reaching up to 37°C (98°F). This month also sees significant rainfall, with 149 mm (5.8 in) of precipitation spread over 16 days, resulting in high humidity levels of 83%.
In contrast, January brings a much cooler climate, featuring a minimum temperature of -4°C (24°F), an average of 15°C (59°F), and a maximum of 29°C (84°F). Precipitation is markedly lower, totaling only 47 mm (1.9 in) over just 5 days, while humidity remains consistent at 83%. For more detailed insights into January weather, check out Crystal River weather in January.
Overall, September showcases much hotter and wetter conditions compared to the cooler and drier January weather.
September and February present strikingly different weather patterns. In September, temperatures can soar from a mild minimum of 18°C (65°F) to a hot maximum of 37°C (98°F), with an average of 27°C (81°F). The month is also marked by notably high humidity at 83% and frequent rainfall, receiving 149 mm (5.8 in) over 16 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (87°F), averaging 18°C (65°F). The precipitation is significantly lower at 60 mm (2.4 in) across just 7 days, and humidity remains slightly less at 82%. For those interested in more details about February weather, visit Crystal River weather in February.
September and March exhibit stark contrasts in weather patterns. In September, temperatures soar with a minimum of 18°C (65°F), peaking at a sweltering 37°C (98°F) and averaging 27°C (81°F). This month is also notably wet, receiving 149 mm (5.8 in) of rainfall over 16 days, with high humidity levels at 83%. In contrast, March features a much cooler climate, with minimum temperatures dropping to 2°C (35°F) and maximums reaching 32°C (90°F), averaging 19°C (67°F). Precipitation is significantly lower in March, totaling just 25 mm (1.0 in) over 4 days and accompanied by a humidity level of 78%. For more detailed insights, you can check Crystal River weather in March.
When comparing the weather in September and April, it's clear that September tends to be hotter and more humid. September sees average temperatures ranging from a minimum of 18°C (65°F) to a scorching maximum of 37°C (98°F), with an average of 27°C (81°F). In contrast, April experiences milder temperatures, with a minimum of 6°C (43°F) and a maximum of 34°C (94°F), averaging around 22°C (72°F). Additionally, September is wetter, with 149 mm (5.8 in) of precipitation over 16 days, compared to April's 92 mm (3.6 in) over just 7 days. Humidity levels are also higher in September at 83%, compared to 77% in April. For more specific insights into April weather, check out Crystal River weather in April.
In comparing the weather of September and May, notable differences emerge in temperature and humidity patterns. September tends to be warmer, with average temperatures reaching 27°C (81°F) and maximums peaking at 37°C (98°F), while May features a slightly cooler average of 25°C (78°F) with maximums of 36°C (97°F). Additionally, September's high humidity of 83% contributes to a muggy atmosphere, compared to the more comfortable 75% humidity experienced in May. Precipitation levels are also significant; September sees 149 mm (5.8 in) of rain over 16 days, in contrast to May's 109 mm (4.3 in) across just 9 days. For a more detailed look at the weather in May, you can visit Crystal River weather in May.
When comparing the weather between September and June, it's evident that both months share similar average temperatures, hovering around 27°C (81°F). However, June tends to be slightly warmer, with maximum temperatures reaching 39°C (102°F) compared to September's peak of 37°C (98°F). Precipitation levels are also higher in June, with 172 mm (6.8 in) of rain over 21 days, whereas September sees 149 mm (5.8 in) across 16 days. Additionally, the humidity is notably higher in September at 83%, while June maintains a lower level of 76%. For more detailed insights about June weather, you can check Crystal River weather in June.
When comparing the weather in September and July, we find some notable differences. September features slightly cooler temperatures with a minimum of 18°C (65°F) and a maximum of 37°C (98°F), while July starts warmer with a minimum of 22°C (71°F) and a maximum of 36°C (97°F). Both months have similar average temperatures around 27°C (81°F to 82°F), but July experiences more precipitation, totaling 217 mm (8.5 in) over 25 days, compared to September's 149 mm (5.8 in) over 16 days. Additionally, September has a higher humidity level at 83%, surpassing July's 79%. For further details on July's weather, you can check out the link: Crystal River weather in July.
September weather in Crystal River shows a slight decrease in temperature compared to August, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 37°C (98°F), while August maintains a higher minimum of 22°C (72°F) and a maximum of 36°C (97°F). Although the average temperature in September is just a degree lower, it experiences significantly more rainfall, totaling 149 mm (5.8 in) over 16 rainy days, compared to August's 209 mm (8.2 in) spread over 26 days. Additionally, September's humidity is slightly higher at 83%, compared to August's 78%. For more detailed information on the weather during August, you can visit Crystal River weather in August.
September weather presents a stark contrast to that of October, with September featuring higher temperatures and significantly more rainfall. The minimum temperature in September hovers at a warm 18°C (65°F), with an average of 27°C (81°F) and peak highs reaching up to 37°C (98°F). Notably, September experiences about 149 mm (5.8 in) of precipitation over 16 days, combined with high humidity levels of 83%.
In comparison, October brings a noticeable drop in temperatures, with a minimum of 7°C (45°F) and an average temperature of 25°C (77°F), peaking at 34°C (93°F). Rainfall decreases significantly to 82 mm (3.2 in) over just 10 days, with humidity slightly lower at 81%. For a detailed look at the weather you can expect in October, check out Crystal River weather in October.
September and November present a stark contrast in weather conditions. September boasts warmer temperatures, with a minimum of 18°C (65°F) and an average of 27°C (81°F), peaking at a sweltering 37°C (98°F). In contrast, November features much cooler temperatures, with a minimum of 2°C (37°F) and an average of 19°C (67°F), reaching a maximum of 31°C (87°F). The precipitation also varies significantly, with September receiving 149 mm (5.8 in) over 16 days, while November sees only 47 mm (1.8 in) across just 6 days. Interestingly, both months share a consistent humidity level of 83%. For more details about the weather during this time, you can check Crystal River weather in November.
September and December display contrasting weather patterns. In September, temperatures start at a minimum of 18°C (65°F), peaking at an average of 27°C (81°F) and soaring up to a high of 37°C (98°F). The month is characterized by higher humidity at 83% and considerable rainfall, totaling 149 mm (5.8 in) over 16 days. In contrast, December brings a notable drop in temperatures with a minimum of -1°C (30°F) and an average temperature of 16°C (62°F), reaching a maximum of 29°C (84°F). Despite the cooler temperatures, precipitation is less frequent, occurring over just 7 days with a total of 86 mm (3.4 in) of rain, and the humidity slightly increases to 86%. For more details about the weather in December, you can visit Crystal River weather in December.
As September unfolds in Crystal River, visitors can expect a distinctive blend of warm temperatures and increased humidity that sets this month apart from the rest of the year. With daytime highs reaching up to 37°C (98°F) and an average temperature of 27°C (81°F), the warmth is palpable, yet it comes hand-in-hand with the possibility of frequent rain, as evidenced by 149 mm (5.8 in) of precipitation over 16 days. This combination of heat and humidity creates a tropical atmosphere that enhances the lush landscapes but may also bring some refreshing showers. Ideal for those who appreciate the subtropical embrace of nature, September in Crystal River provides a unique experience. For a more detailed understanding of how the climate shapes this beautiful region, explore Crystal River Climate.