Last updated: February 24, 2025
September in Florence, United States, showcases a dynamic climate marked by warm days and cooler nights. With a maximum temperature peaking at 35°C (95°F) and an average of 16°C (61°F), the month invites both outdoor adventures and cozy evenings. However, it’s not without a touch of precipitation, as 58 mm (2.3 in) falls over approximately 6 days, contributing to the region’s lush landscape. The humidity level averages around 66%, adding a slight mugginess to the air, but also enhancing the vibrant hues of early autumn. Whether you're strolling through local parks or exploring historic sites, Florence in September serves up a delightful blend of warmth and refreshment.
As summer transitions to fall in Florence, United States, September brings a delightful shift in temperatures. The month opens with a mild minimum of 6°C (43°F), gradually warming up to a maximum of 35°C (95°F), reflecting the lingering warmth of late summer. The average temperature of 16°C (61°F) provides a comfortable balance, making it an ideal time for outdoor activities. Notably, September stands out with its peak temperatures, which can reach as high as 35°C, before the cooler autumn air settles in. This month serves as a bridge between the sweltering days of August and the crispness of October, inviting residents and visitors alike to enjoy the last bursts of summer warmth before the cooler weather arrives.
In September, Florence experiences a notable shift in precipitation, receiving 58 mm (2.3 in) of rain over 6 days. This marks a slight increase from the dry summer months of July and August, which recorded virtually no rainfall. The transition into early autumn typically brings a refreshing uptick in moisture, as September's precipitation sets the stage for a more robust rainy season ahead. Interestingly, this month’s rainfall is comparable to May, reflecting a gradual shift from the drier summer, while still being significantly lower than the peaks found later in the year, such as December's 225 mm (8.9 in). The pattern suggests that while September may not be the wettest month, it effectively signals the end of summer dryness and the approach of the wetter fall season.
As summer fades into fall, Florence, United States, experiences a notable drop in humidity by September, resting at a comfortable 66%. This marks a significant shift from the peak of 78% in July and a further drop from 67% in August, offering residents and visitors alike a welcome reprieve from the sultry summer months. The transition continues into October, when humidity rises slightly to 77%, but stays well below the levels seen at the beginning of the year, where January's humidity hovers around a high 84%. Overall, the gradual decrease in humidity during this period reflects Florence's climatic shift toward drier and more pleasant autumn days, making September an ideal time to enjoy outdoor activities in the region.
As summer fades and September unfolds in Florence, the UV Index stands at a noteworthy 8, categorizing it as very high. This marks a slight decline from the peak levels of 10 seen over the summer months, yet caution remains essential, as skin can still burn in just 15 minutes of exposure. The transition into fall sees a trend of decreasing UV levels, yet September's index continues to remind us of summer's lingering intensity. It's a perfect time to enjoy the outdoors while being mindful of sun safety. For more detailed insights, check out the Florence UV Index.
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September in Florence, United States, is a delightful transition into autumn, marked by 274 hours of sunshine that keep the lingering summer warmth alive. After a peak in July with 369 hours, the daylight begins to wane slightly, yet September remains vibrant compared to the earlier months of the year. The gradual decline from August’s 339 hours signifies the subtle shift towards cozy fall vibes, but the days are still filled with ample light, making it a perfect time for outdoor activities and enjoying nature's changing palette. As the sun dips below the horizon earlier each day, residents and visitors alike can relish these sun-soaked September days before the cooler months set in.
In September, the likelihood of sunny weather in Florence, United States, stands at a promising 54%, mirroring the trend observed in August. As summer transitions into autumn, the chance of sunshine remains relatively high, reflecting the region's propensity for warm and pleasant days. This percentage represents a notable increase from the cooler months, such as January and February, which see sunshine probabilities as low as 17%. With a steady rise in sunny days from late spring through late summer, September's favorable weather conditions offer an ideal backdrop for outdoor activities and exploration. As the days grow shorter, enjoy the lingering warmth and brightness that this month provides before the cooler fall seasons set in.
As summer wanes in Florence, the daylight duration begins to shift, bringing a subtle transition into autumn. In September, the sun graces the skies for about 12 hours each day, showcasing a delightful balance as the long, warm days of July and June start to recede. This month marks a gentle decline from the peak summer brightness, with daylight shrinking by an hour from August’s 13 hours. The gradual easing into shorter days signals the approaching fall, yet it still offers ample time for outdoor activities and enjoying the lingering warmth. The pattern we observe hints at a cyclical rhythm, where the generous sunlight of summer dovetails into the cozy embrace of autumn, echoing the seasonal dance of nature in this charming region.
As summer fades into fall in Florence, United States, September brings a gentle shift in the air with an average wind speed of 3.4 m/s (8 mph). This slight decrease from August's 3.5 m/s reflects the transition into cooler months. Interestingly, the trend shows that throughout the summer, wind speeds peaked in July at 4.1 m/s, creating a vibrant and breezy atmosphere. As we move into autumn, smooth winds between 3.2 and 3.9 m/s during the subsequent months suggest a more tranquil setting. The patterns indicate that while the winds may calm down, they still maintain a refreshing presence, enhancing the serene beauty of the season.
The weather in Florence 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 Florence and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures can vary significantly, ranging from a chilly 6°C (43°F) at night to a warm 35°C (95°F) during the day, with an average of 16°C (61°F). The month experiences about 58 mm (2.3 in) of precipitation over 6 days, with a humidity level of 66%. In stark contrast, January features much colder temperatures, with lows of -5°C (23°F) and highs only reaching 15°C (59°F), averaging 8°C (46°F). This winter month is significantly wetter, receiving 201 mm (7.9 in) of rain over 16 days and boasting a higher humidity level of 84%. For more detailed information, visit Florence weather in January.
September and February exhibit striking differences in weather patterns. In September, temperatures range from a chilly 6°C (43°F) at night to a warm 35°C (95°F) during the day, with an average of 16°C (61°F). The month sees approximately 58 mm (2.3 in) of precipitation over about six days, resulting in a moderate humidity of 66%. In contrast, February presents a much colder atmosphere, with nighttime lows dropping to -4°C (26°F) and daytime highs peaking at 19°C (66°F) for an average of 7°C (45°F). This month is also considerably wetter, accumulating 212 mm (8.3 in) of rain over 17 days, paired with higher humidity levels at 85%. For a more detailed look at February weather conditions, visit Florence weather in February.
In comparing the weather of September and March, notable differences emerge in temperature, precipitation, and humidity. September typically enjoys a broader temperature range, with daytime highs reaching up to 35°C (95°F) and average temperatures around 16°C (61°F), while March's temperatures are significantly cooler, peaking at 23°C (74°F) and averaging only 8°C (47°F). Additionally, March sees a substantial increase in precipitation, totaling 150 mm (5.9 in) over 16 days, compared to September's 58 mm (2.3 in) over just 6 days. The humidity also rises in March, reaching 86% compared to September's 66%, resulting in a noticeably damper atmosphere. For more detailed insights, you can check Florence weather in March.
When comparing the weather in September and April, notable differences in temperature and precipitation emerge. September boasts a wider temperature range, with minimums at 6°C (43°F) and maximums reaching up to 35°C (95°F), leading to an average temperature of 16°C (61°F). In contrast, April has a cooler average of 10°C (51°F), with a minimum of 1°C (34°F) and a maximum of 27°C (81°F).
However, April is considerably wetter, receiving 126 mm (5.0 in) of precipitation over 13 days compared to September's 58 mm (2.3 in) over just 6 days. The humidity also tends to be higher in April at 83%, compared to September's 66%. For more detailed information, you can check Florence weather in April.
September typically offers a wider temperature range compared to May, with minimums around 6°C (43°F) and maximums reaching up to 35°C (95°F), making it an overall warmer month. In contrast, May features lower temperatures, with a minimum of 4°C (39°F) and a maximum of 29°C (84°F), creating a cooler atmosphere as summer comes to an end. Both months experience relatively similar precipitation levels of around 58-59 mm (2.3 in), though September sees rain on 6 days, while May has slightly more rainy days at 9. Additionally, September's humidity is lower at 66%, compared to May's higher humidity level of 83%. For further details, you can check Florence weather in May.
When comparing the weather in September and June, we see some notable differences. September experiences a wider temperature range, with minimums around 6°C (43°F) and maximums reaching up to 35°C (95°F), resulting in an average of 16°C (61°F). In contrast, June has similar minimum temperatures but slightly lower maximums at 34°C (93°F) and an average of 15°C (59°F). Precipitation levels are fairly close, with September receiving 58 mm (2.3 in) over approximately six days and June experiencing 51 mm (2.0 in) over seven days. Notably, humidity is higher in June at 83% compared to September’s 66%. For those interested in more details, check out Florence weather in June.
When comparing the weather in September and July, it's clear that September experiences a broader temperature range, with minimums dropping to 6°C (43°F) and maximums soaring to 35°C (95°F). In contrast, July maintains milder temperatures, with a minimum of 9°C (48°F) and a maximum of 29°C (84°F), making it more consistently warm. Additionally, September tends to be wetter, averaging 58 mm (2.3 in) of precipitation over six days, whereas July sees almost no rainfall, with only 3 mm (0.1 in) and no rainy days at all. Lastly, humidity levels are higher in July at 78%, compared to 66% in September. For more detailed insights, you can check Florence weather in July.
In comparing the weather conditions of September and August, September experiences a wider temperature range with a minimum of 6°C (43°F) and a maximum of 35°C (95°F), while August remains slightly warmer overall with a minimum of 9°C (48°F) and a maximum of 34°C (93°F). Notably, September is marked by increased precipitation, with 58 mm (2.3 in) recorded over 6 days, compared to August's almost dry month, which saw only 4 mm (0.2 in) without any rainy days at all. Humidity levels are comparable, with September at 66% and August slightly higher at 67%. For a more detailed look at August's weather, you can check out Florence weather in August.
September and October exhibit a notable shift in weather patterns. September sees warmer temperatures, with a minimum of 6°C (43°F) and an average high of 35°C (95°F), while October experiences cooler conditions, dropping to a minimum of 2°C (36°F) and an average maximum of 26°C (79°F). Additionally, October is characterized by increased precipitation, totaling 97 mm (3.8 in) over about 10 days, compared to September’s 58 mm (2.3 in) over 6 days. The humidity level also rises in October to 77%, up from 66% in September. For a more detailed overview of what to expect, you can check out Florence weather in October.
September and November showcase a striking contrast in weather conditions. In September, temperatures range from a mild minimum of 6°C (43°F) to a sweltering maximum of 35°C (95°F), with an average of 16°C (61°F). The month sees relatively low precipitation of 58 mm (2.3 in) over about six days, making it a drier period with a humidity level of 66%. On the other hand, November brings much cooler temperatures, with minimums dipping to -1°C (30°F) and an average of 10°C (49°F), while the maximum only reaches 19°C (66°F). This month is significantly wetter, experiencing 179 mm (7.0 in) of rainfall over 15 days and higher humidity levels at 87%. For more detailed insights on November weather, you can visit Florence weather in November.
The weather in September is generally warmer, with average temperatures around 16°C (61°F) and maximum highs reaching up to 35°C (95°F), while December sees much cooler conditions, with an average of 7°C (45°F) and maximums hitting only 16°C (61°F). Additionally, September experiences around 58 mm (2.3 in) of precipitation over approximately 6 days, leading to a relatively comfortable humidity level of 66%. In contrast, December is characterized by significantly higher rainfall, totaling 225 mm (8.9 in) over 19 days, and increased humidity at 87%. For more detailed information on December weather, you can check out Florence weather in December.
As summer transitions to autumn, September in Florence offers a unique weather experience characterized by notably milder temperatures and moderate humidity levels. While daytime highs can still reach the pleasant warmth of 35°C (95°F), evenings see a significant drop, encouraging cozy nights with averages around 16°C (61°F). The month also sees some precipitation, with about six days experiencing light rain, making it an ideal time for refreshing outdoor activities without the sweltering heat of peak summer. This period is perfect for those looking to enjoy Florence’s natural beauty amid a comfortable climate. For a deeper understanding of what to expect throughout the year, explore the detailed insights at Florence Climate.