September Weather in Follonica, Italy

Last updated: March 24, 2025

Follonica, Italy, in September, experiences a delightful transition into early autumn, with maximum temperatures reaching 30°C (87°F) and an average of 22°C (71°F), offering a pleasant climate for both locals and visitors. Nights cool down to a refreshing minimum of 12°C (54°F), providing a comfortable setting for evening strolls. While the region receives an average precipitation of 74 mm (2.9 in) spread over 9 days, the humidity is around 66%, creating a mild atmosphere ideal for enjoying outdoor activities. September in Follonica promises a mix of sunny days and the occasional light rain, ensuring a vibrant backdrop for exploring this charming coastal town.

September Temperature in Follonica

In Follonica, Italy, September marks a delightful transition into autumn, offering a pleasant climate that attracts both locals and tourists. With temperatures ranging from a comfortable minimum of 12°C (54°F) to a warm maximum of 30°C (87°F), the month showcases an average temperature of 22°C (71°F), making it ideal for outdoor activities. Compared to the sweltering weeks of July and August, where highs can soar to 33°C (92°F), September brings a welcome moderation, yet retains enough warmth for beachgoers to enjoy the lingering summer sun. This gradual cooling trend not only enhances the beauty of the landscape but also sets the stage for vibrant autumn colors, making it a magical time to explore this coastal gem.

September Weather in Follonica: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Follonica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec474951566371767871635650
Data source: Temperature data for Follonica generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Follonica

In September, Follonica experiences a marked transition in precipitation patterns, with a notable increase to 74 mm (2.9 in), making it one of the wetter months of the year. This uptick is accompanied by 9 rainy days, aligning with the gradual shift toward the autumn season. Compared to the dry summer months of June and August, which recorded only 28 mm (1.1 in) and 21 mm (0.8 in) respectively, September signals a return to more typical Mediterranean rainfall. As temperatures cool and the landscape transforms, this surge in precipitation not only replenishes local water sources but also sets the stage for the upcoming wetter months, hinting at the dramatic increase to 155 mm (6.1 in) expected in November. Overall, the September rains are a vital part of Follonica's seasonal rhythm, bridging the summer lull with the robust moisture of fall.

September Precipitation Trends in Follonica

The chart displays monthly precipitation patterns in Follonica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec50605372762828217484156106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Follonica

In Follonica, Italy, September marks a transition as the summer season subtly bids farewell. With humidity levels averaging 66%, it shows a slight uptick from the arid summer months of July and August, which hover around 57% and 55% respectively. This increase hints at the onset of autumn, drawing in more moisture after a long, dry summer. In contrast to the 84% humidity of January and the gradual rise seen throughout the cooler months, September represents a delicate balance, offering a more comfortable and pleasant experience for outdoor activities. As the year progresses, humidity levels climb again, reaching 79% by October, signaling the impending shift toward the wetter months ahead.

September Average Humidity in Follonica

This chart illustrates the average monthly humidity levels in Follonica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Follonica

As summer transitions to autumn in Follonica, Italy, September brings a UV Index of 7, categorized as high, which indicates that sun exposure can quickly lead to skin damage. With a burn time of just 25 minutes, it's essential to take precautions even as the temperatures begin to cool. This month marks a notable decrease from the extreme highs of July and August, which boasted UV indices of 9 and 10. Nonetheless, the UV Index remains higher than in the earlier months of the year, reminding us that sun safety should remain a priority. For detailed information on UV levels throughout the year, check out Follonica UV Index.

Maximum UV Index Levels in Follonica for September

The chart shows the monthly maximum UV Index (UVI) for Follonica 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Follonica 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 Follonica

September in Follonica, Italy, offers a delightful blend of warm sunshine and vibrant scenery, with 340 hours of sunlight illuminating the coastal town. This month marks a gentle transition as the sun begins to retreat after the peak summer months, yet it still maintains a significant presence. Comparatively, September stands out as a radiant end to the season, although it sees a decrease from the sun-drenched heights of July and August, which boast 433 and 403 hours, respectively. As autumn approaches, sunlight remains abundant, providing a lovely backdrop for the stunning landscapes and inviting beaches. Overall, the trend showcases a gradual decline in sunshine hours leading into fall, yet September still retains its charm and warmth, inviting visitors to bask in the lingering rays.

Monthly Sunshine Duration in Follonica: September Highlighted

The September sunshine duration represents the total number of hours Follonica 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.
JanFebMarAprMayJunJulAugSepOctNovDec193h248h321h352h395h420h433h403h340h310h238h224h
Data source: Follonica September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Follonica During September

In Follonica, September offers a comfortable transition from the sultry summer months, with a 59% chance of sunny weather that makes it an appealing time to visit. This figure reflects a slight dip from the peak sunshine in August, which boasts a solid 70% sun probability, yet September still stands strong compared to the earlier months of the year. With the warmth of summer lingering, visitors can enjoy pleasant outdoor activities without the intense heat of July and August. Overall, as September rolls in, it strikes a harmonious balance between sunny skies and cooling temperatures, making it an inviting month for exploration and relaxation.

Percentage of Sunny Days in September in Follonica

The chart illustrates the percentage of sunny days in Follonica 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 Follonica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%53%66%50%48%59%67%70%59%47%37%47%
Data source: Follonica September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Follonica in September

As September graces Follonica, Italy, the vibrant days of summer begin to wane, bringing with it 12 hours of daylight. This marks a gentle decline from August’s generous 13 hours, signaling the transition from the sun-soaked months of June and July, which enjoyed the longest days with 15 and 14 hours, respectively. October follows suit with a further reduction to 10 hours, reinforcing the shift towards the shorter daylight periods characteristic of the autumn months. This rhythmic ebb and flow of light not only showcases the changing seasons but also invites residents and visitors alike to savor the lingering warmth of early fall before the shorter days of winter set in.

Average Daylight Hours in Follonica for September

The chart illustrates the variation in daylight duration in Follonica throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 57m13h 24m14h 39m15h 16m14h 57m13h 51m12h 26m10h 59m9h 42m9h 3m
Data source: Follonica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Follonica

In September, Follonica experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), striking a pleasant balance as summer wanes. This slight uptick from the calmer months of June and August hints at the transition toward autumn, as winds begin to pick up in anticipation of the cooler seasons ahead. Comparing this to the preceding months, September's wind speed reflects a moderating trend; it’s neither too brisk nor too still, allowing for serene beach strolls and perfect evening picnics. As the year progresses into October, a notable increase in wind speed to 4.1 m/s (9 mph) suggests the arrival of more dynamic weather patterns, making September a delightful yet fleeting moment of calm before the bustling winds of fall.

Average September Wind Speed in Follonica

The chart displays monthly wind speed patterns in Follonica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.53.93.43.73.32.53.42.73.0 m/s4.14.43.5
Data source: Follonica September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Follonica Compares to Other Months

The weather in Follonica 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 Follonica and find detailed weather information for every month.

September and January present strikingly different weather conditions. September boasts milder temperatures ranging from a minimum of 12°C (54°F) to a maximum of 30°C (87°F), along with an average of 22°C (71°F). The month receives about 74 mm (2.9 in) of precipitation over 9 days, with humidity levels at 66%, making it a warm and moderately humid time of year. In contrast, January experiences much colder temperatures, with a minimum of -1°C (30°F) and a maximum of 16°C (61°F), averaging only 8°C (47°F). This winter month sees lower precipitation at 50 mm (2.0 in) over 8 days, but higher humidity at 84%. For more details on the January climate, you can visit Follonica weather in January.

September and February present a stark contrast in weather conditions. In September, temperatures range from a mild 12°C (54°F) at night to a warm 30°C (87°F) during the day, with an average of 22°C (71°F). The month experiences about 74 mm (2.9 in) of precipitation over 9 days, coupled with a humidity level of 66%, providing a comfortable yet humid atmosphere. In contrast, February sees a notable drop in temperatures, with a minimum of -4°C (26°F) and a maximum of 17°C (64°F), averaging around 10°C (50°F). The month is slightly drier, with 60 mm (2.4 in) of rainfall over 8 days, but the humidity rises to 76%, contributing to a chillier and more brisk environment. For more detailed insights, check out Follonica weather in February.

September weather tends to be warm and pleasantly mild, with average temperatures ranging from a comfortable 12°C (54°F) to a maximum of 30°C (87°F) and experiencing higher humidity at 66%. Precipitation is relatively moderate, with 74 mm (2.9 in) falling over approximately 9 days, making it feel a bit more humid. In contrast, March presents a cooler atmosphere, with temperatures ranging from a chilly -5°C (23°F) to a much milder 20°C (69°F) and an average temperature of 11°C (52°F). The month has slightly less rainfall at 53 mm (2.1 in) spread over about 8 days and a humidity level of 68%. For a closer look at the specifics of March weather in Follonica, check this link: Follonica weather in March.

Comparing the weather in September and April reveals distinct seasonal characteristics. In September, temperatures range from a minimum of 12°C (54°F) to a warm average of 22°C (71°F), peaking at 30°C (87°F). The month experiences about 74 mm (2.9 in) of precipitation over 9 days, with a humidity level of 66%. In contrast, April presents milder temperatures, starting at a minimum of 4°C (39°F) and averaging around 14°C (57°F), with a maximum of 24°C (75°F). The rainfall is slightly less at 72 mm (2.8 in), occurring on 9 days but with slightly higher humidity at 70%. For more specifics on April’s climate, you can explore Follonica weather in April.

In comparing the weather between September and May, we can see some interesting distinctions. September generally enjoys warmer temperatures, with averages around 22°C (71°F) and a maximum reaching up to 30°C (87°F), while May's average temperature is cooler at 17°C (63°F) and peaks at 29°C (85°F). Both months experience similar levels of precipitation, with September receiving 74 mm over 9 days and May slightly higher at 76 mm over 10 days. Humidity levels are also comparable, with September at 66% and May slightly higher at 69%. For a more detailed look at May weather, you can check out Follonica weather in May.

In comparing the weather of September and June, both months feature similar average temperatures, around 22°C (72°F), but with distinct variations in their temperature ranges. June typically sees slightly warmer conditions, with maximum temperatures reaching up to 32°C (90°F), while September peaks at 30°C (87°F). Additionally, June is drier, receiving only 28 mm (1.1 in) of precipitation over 5 days compared to September's 74 mm (2.9 in) over 9 days, resulting in a wetter month. Humidity levels are also slightly higher in September at 66% compared to June's 62%. For a more detailed look at June weather, you can visit Follonica weather in June.

When comparing the weather in September and July, it's clear that July tends to be warmer and drier. In July, temperatures range from a minimum of 18°C (64°F) to a maximum of 32°C (91°F), with an average of 25°C (76°F) and only 28 mm (1.1 in) of precipitation over just 4 days. In contrast, September experiences a broader temperature range from a cooler minimum of 12°C (54°F) to a maximum of 30°C (87°F), with an average of 22°C (71°F). Moreover, September sees more rainfall, totaling 74 mm (2.9 in) across 9 days, and higher humidity at 66% compared to July's 57%. For more detailed insights into July weather, check out Follonica weather in July.

September's weather offers a noticeable shift from August, with cooler temperatures as the minimum drops to 12°C (54°F) compared to August's warmer minimum of 17°C (63°F). The average temperature in September is 22°C (71°F), which is 3°C cooler than August's 25°C (78°F). Additionally, September experiences more precipitation, totaling 74 mm (2.9 in) over 9 days, while August sees significantly less rain at just 21 mm (0.8 in) over 5 days. Humidity also increases in September to 66%, contrasting with August's lower humidity level of 55%. For more details on August weather, you can check Follonica weather in August.

September generally offers warmer temperatures, with a minimum of 12°C (54°F) and an average of 22°C (71°F), peaking at a comfortable 30°C (87°F). This month sees a total precipitation of 74 mm (2.9 in) over 9 days, accompanied by a humidity level of 66%. In contrast, October ushers in cooler weather, with a minimum of 10°C (51°F) and an average high of 26°C (79°F), but temperatures drop to an overall average of 17°C (63°F). The precipitation increases slightly to 84 mm (3.3 in) over the same 9 days, and the humidity also rises to 79%. For more detailed information, check out Follonica weather in October.

September generally boasts much warmer temperatures, with a minimum of 12°C (54°F) and an average of 22°C (71°F), peaking at 30°C (87°F). It also experiences lower humidity at 66% and less precipitation, averaging 74 mm (2.9 in) over 9 days. In contrast, November sees a significant drop in temperatures, with a minimum of just 4°C (40°F) and an average of 13°C (56°F), reaching a maximum of 20°C (68°F). The month is also much wetter, with 155 mm (6.1 in) of rain spread over 15 days and a higher humidity level at 84%. For more details on weather conditions during this month, visit Follonica weather in November.

In September, temperatures are generally milder, ranging from a minimum of 12°C (54°F) to a maximum of 30°C (87°F), with an average of 22°C (71°F). The month sees some rainfall, with 74 mm (2.9 in) recorded over approximately 9 days, and humidity levels around 66%.

In contrast, December brings much cooler weather, with temperatures dropping to a minimum of 3°C (37°F) and peaking at 17°C (62°F), resulting in an average of just 10°C (50°F). Precipitation increases to 106 mm (4.2 in) spread over 14 days, and the humidity rises significantly to 83%. For more details, check out Follonica weather in December.

Compare Follonica's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Follonica

As summer gives way to autumn, Follonica's September weather offers a delightful transition marked by milder temperatures and a noticeable increase in humidity. With an average temperature of 22°C, days remain warm but more pleasant than the peak summer months. Although some precipitation can be expected, with about 9 rainy days throughout the month, this only enhances the refreshing atmosphere as the landscape becomes vibrant once more. For those planning a visit, September provides a unique opportunity to experience Follonica's charm in a more tranquil setting. For a deeper dive into what to expect year-round, check out Follonica Climate.