Last updated: March 24, 2025
September in Portoferraio, Italy offers a delightful end to summer, with average temperatures around 23°C (74°F) and maximum highs reaching 27°C (81°F). The evenings cool down to a pleasant 16°C (61°F), making for comfortable nights. While visitors can expect some rain, with a total precipitation of 59 mm (2.3 in) over about 7 days, the overall weather remains inviting, complemented by a humidity level of 66%. This combination creates an ideal setting for exploring the scenic beauty and rich history of this charming coastal town.
As summer wanes and autumn approaches, September in Portoferraio offers a pleasant transition, marked by a minimum temperature of 16°C (61°F) and an inviting average of 23°C (74°F). The city basks in warmth with a comfortable maximum of 27°C (81°F), making it a delightful time for outdoor activities before the chill of fall sets in. Compared to the hotter months of July and August, which boast highs around 29°C (84°F), September brings a slight reprieve while still retaining warmth and ample sunshine. This gradual shift in temperatures creates a perfect backdrop for exploring the scenic beauty and rich history of one of Italy's charming coastal towns. Whether strolling through its historic streets or enjoying the serene beaches, September offers an ideal climate for a memorable getaway.
In September, Portoferraio experiences a notable increase in precipitation, accumulating 59 mm (2.3 in) over seven days of rain, marking a significant transition from the dry summer months. This uptick aligns with the onset of autumn, where rainfall begins to intensify in preparation for the wetter months ahead. Compared to the preceding months, which saw minimal precipitation—such as just 8 mm (0.3 in) in August—September acts as a bridge, foreshadowing the more substantial rains of October and November. This seasonal shift not only brings much-needed moisture to the region but also marks the return of lush greenery, enhancing Portoferraio's picturesque landscapes as it transitions into fall.
In September, Portoferraio experiences a refreshing rebound in humidity, registering at 66%, a modest increase from the dryness of summer months, where humidity levels dipped to their annual low of 55% in August. This transitional month signals the onset of autumn, with humidity beginning to climb closer to the figures seen earlier in the year—particularly noticeable as it approaches the 70% mark typical of the spring season. The pattern suggests a gradual return to the higher humidity levels of winter, where October shows a significant rise to 79%. Overall, September presents a comfortable balance, as the island prepares for the seasonal change while still basking in the lingering warmth of summer.
As summer fades in Portoferraio, Italy, the September UV Index drops to 7, indicating a high exposure category. This shift invites both locals and visitors to take advantage of the lingering warm weather while being mindful of sun safety, as the recommended burn time is still a brisk 25 minutes. Compared to the peak summer months where indices soared to 10, September offers a more moderate yet still potent sun, signaling a transition towards cooler autumn days. The trend of the UV Index reveals a clear pattern: as the year progresses from January's low 2 to the summer's high extremes, the fall months offer a gentle balance that encourages outdoor activities without excessive sun exposure. For more detailed information, you can explore the Portoferraio UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September shines brightly in Portoferraio with an impressive 343 hours of sunshine. This marks a gentle decline from the sun-drenched peaks of July and June, which basked in over 420 hours each. Nevertheless, September still holds onto the warmth of summer, offering plenty of sunny days for outdoor exploration. With sunlight waning into October and the chill of winter approaching, September serves as a delightful farewell to the long, sun-filled days, making it an ideal time for travelers to soak up the last rays of summer before the cooler months set in.
In September, Portoferraio experiences a 61% chance of sunny weather, making it one of the more favorable months for sunshine. Following the peak of summer in August with a robust 74% chance of sun, September maintains a healthy amount of clear skies compared to the preceding months from January to May, which hover below or around the 54% mark. This gradual decline from summer's vibrant rays to autumn's mild embrace indicates that while the beaches are still inviting, visitors may also be treated to the cooler coastal breezes of early fall. As October approaches, the likelihood dips to 49%, suggesting that September remains a sweet spot for those seeking to enjoy the lingering warmth of summer in this picturesque Italian town.
As summer fades into autumn, September in Portoferraio, Italy, experiences a noticeable shift in daylight duration, with about 12 hours of sun each day. This marks a slight reduction from the peak of 15 hours in June, gracefully transitioning from the longer, sunlit days of summer. The daylight trend continues to decline, reflecting nature's rhythm as October approaches, where daylight dips to 11 hours. This month serves as a bridge, blending the lingering warmth of summer with the crispness of fall, making September a captivating time for both locals and visitors to bask in the softer sunlight before the shorter days of winter set in.
In September, Portoferraio enjoys a refreshing average wind speed of 4.7 m/s (10 mph), reminiscent of the gentle breezes that start to mark the transition from summer to autumn. This month sees a slight uptick in winds compared to the more tranquil summer months of July and August, which recorded winds of 4.7 m/s and 3.9 m/s respectively. As the year progresses towards October, the wind speeds begin to rise again, echoing the patterns seen earlier in the year, where January and November are characterized by their robust winds at 7.0 m/s (16 mph). Overall, September presents a delicate balance, offering just enough wind to invigorate the atmosphere without overshadowing the lingering warmth of late summer.
The weather in Portoferraio 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 Portoferraio and find detailed weather information for every month.
In September, Portoferraio enjoys warmer weather with average temperatures around 23°C (74°F) and maximum highs reaching up to 27°C (81°F). The month sees moderate precipitation of 59 mm (2.3 in) spread over about 7 days, accompanied by a humidity level of 66%. In contrast, January brings much cooler conditions, with minimum temperatures dropping to 3°C (38°F) and average highs only reaching 12°C (53°F). Although January experiences less precipitation at 39 mm (1.5 in), the humidity is higher at 84%. For more details on the winter climate, visit Portoferraio weather in January.
September and February showcase contrasting weather patterns. In September, temperatures range from a pleasant minimum of 16°C (61°F) to a warm average of 23°C (74°F), peaking at 27°C (81°F). The month experiences moderate rainfall, averaging 59 mm (2.3 in) over about 7 days, accompanied by a humidity level of 66%. In sharp contrast, February presents a cooler climate, with temperatures dipping to a minimum of 1°C (34°F) and averaging around 12°C (54°F), while peaking at 18°C (64°F). Precipitation is slightly lower at 52 mm (2.1 in) over the same number of days, yet humidity is higher at 76%. For a detailed look at February's climate, visit Portoferraio weather in February.
September and March exhibit notably different weather patterns in terms of temperature and precipitation. In September, the temperatures range from a mild 16°C (61°F) at night to a warm 27°C (81°F) during the day, averaging around 23°C (74°F). This month typically sees about 59 mm (2.3 in) of rainfall over 7 days and maintains a humidity level of 66%. In contrast, March experiences much cooler temperatures, with lows of 2°C (37°F) and highs reaching only 16°C (61°F), averaging 13°C (55°F). Precipitation in March is lighter, averaging 42 mm (1.6 in) over 6 days, with a slightly higher humidity of 68%. For more details, check out Portoferraio weather in March.
September generally presents warmer weather compared to April, with average temperatures reaching 23°C (74°F), while April's average lingers at a cooler 14°C (58°F). The maximum temperatures in September can soar up to 27°C (81°F), whereas April peaks at 19°C (67°F). Both months experience similar levels of precipitation, with September recording 59 mm (2.3 in) and April slightly lower at 50 mm (2.0 in), both spread across about 7 days. Interestingly, humidity levels are relatively close, with September at 66% and April at 70%. For those interested in more details, you can check Portoferraio weather in April.
When comparing the weather in September and May, it is clear that September tends to be warmer and more humid. In September, temperatures range from a pleasant 16°C (61°F) to a high of 27°C (81°F), with an average of 23°C (74°F), while May sees cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 24°C (75°F). Additionally, September experiences slightly more rainfall, averaging 59 mm (2.3 in) over 7 days, compared to May's 49 mm (1.9 in) spread over 8 days. Both months have a similar level of humidity, with September at 66% and May slightly higher at 69%. For more details on the weather conditions in May, you can check Portoferraio weather in May.
In comparing the weather of June and September, we see some notable differences. June typically experiences slightly warmer temperatures, with an average of 22°C (72°F) and a maximum reaching 28°C (83°F), compared to September's average of 23°C (74°F) and a maximum of 27°C (81°F). However, September tends to be wetter, with a precipitation level of 59 mm (2.3 in) over 7 days, in contrast to June's much drier conditions, which accumulate only 11 mm (0.4 in) across 3 days. Additionally, humidity levels in September are slightly higher at 66%, compared to June's 62%. For a more detailed outlook on June conditions, you can visit Portoferraio weather in June.
When comparing the weather in September to that of July, it's clear that September is cooler and slightly wetter. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), with an average temperature of 23°C (74°F). This month also sees more precipitation, totaling 59 mm (2.3 in) over about 7 days, contributing to a higher humidity level of 66%. In contrast, July is warmer, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 29°C (84°F) and an average temperature of 25°C (77°F). Additionally, July is much drier, receiving only 25 mm (1.0 in) of rain across just 2 days and having lower humidity at 57%. For more specifics, you can check Portoferraio weather in July.
September brings a noticeable shift in weather compared to August, characterized by cooler temperatures and increased rainfall. The average temperature in September is 23°C (74°F), with a daily minimum of 16°C (61°F) and a maximum of 27°C (81°F). In contrast, August maintains a warmer climate, with an average temperature of 26°C (78°F), ranging from a minimum of 22°C (71°F) to a maximum of 29°C (84°F). Additionally, September experiences more precipitation, totaling 59 mm (2.3 in) over 7 days, while August is quite dry, with only 8 mm (0.3 in) occurring over just 2 days. Humidity levels also rise in September to 66%, compared to the more comfortable 55% in August. For more details on August weather in the area, you can visit Portoferraio weather in August.
September and October present a notable transition in weather conditions. In September, temperatures typically range from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F). The month experiences 59 mm (2.3 in) of precipitation over 7 days, accompanied by a humidity level of 66%. In contrast, October sees cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 24°C (75°F), averaging 19°C (67°F). This month brings increased rainfall, accumulating 82 mm (3.2 in) across 8 days and higher humidity at 79%. For those interested in a detailed look at the weather for this month, check out Portoferraio weather in October.
September and November present quite different weather characteristics. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), with an average of 23°C (74°F), making it a pleasantly warm month with moderate precipitation of 59 mm (2.3 in) over about 7 days, and a humidity level of 66%. In contrast, November sees a significant drop in temperature, with nighttime lows reaching 8°C (47°F) and daytime highs averaging only 21°C (70°F). This month experiences much higher rainfall, totaling 153 mm (6.0 in) across 16 days, and humidity levels rise to 84%. For further details, check out Portoferraio weather in November.
September and December in Portoferraio exhibit significant differences in weather characteristics. September enjoys milder temperatures, with averages around 23°C (74°F) and maximums reaching up to 27°C (81°F), while December sees a drop in temperatures, averaging 14°C (57°F) and peaking at 18°C (64°F). Additionally, September has a relatively lower humidity of 66% compared to December’s higher humidity at 83%. Precipitation also varies, with September receiving 59 mm (2.3 in) over 7 days, while December experiences more rainfall at 86 mm (3.4 in) across 13 days. For more details on the December climate, visit Portoferraio weather in December.
As the summer season gently fades into autumn, September in Portoferraio offers a delightful transition marked by pleasant temperatures and moderate humidity. With average highs of around 23°C (74°F), visitors can enjoy comfortable days ideal for exploring the idyllic landscapes and vibrant local culture. While the likelihood of rain increases slightly, with about seven days of precipitation, the soft sea breezes keep the air refreshingly crisp. This month stands out as an excellent time to experience the charm of Portoferraio, just before the onset of cooler autumn weather. For a deeper dive into the region's yearly climate patterns, check out Portoferraio Climate.