September Weather in Sestri Levante, Italy

Last updated: March 24, 2025

September in Sestri Levante, Italy offers a delightful transition into autumn, with maximum temperatures reaching up to 28°C (83°F) and an average of 21°C (69°F). Visitors can expect a comfortable climate, perfect for exploring the charming coastal town. However, prepare for occasional rainfall, as 103 mm (4.1 in) of precipitation is recorded over 10 days, contributing to a humidity level of 74%. Whether basking in the sun or wandering through the picturesque streets, September provides a mix of warm days and refreshing breezes, ideal for experiencing the beauty of this coastal gem.

September Temperature in Sestri Levante

As September arrives in Sestri Levante, Italy, the summer heat begins to wane, ushering in a gentle transition to autumn. With minimum temperatures settling around 13°C (55°F) and average daytime highs reaching a comfortable 28°C (83°F), this coastal gem still offers plenty of warmth for visitors. Notably, the average temperature lingers at a pleasant 21°C (69°F), making it an ideal time for exploration or relaxation by the sea. As the month progresses, the milder climate encourages outdoor adventures, providing the perfect backdrop for a leisurely stroll along the picturesque shoreline. With its inviting temperatures, September is a delightful month to experience all that Sestri Levante has to offer before the cooler days of autumn set in.

September Weather in Sestri Levante: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sestri Levante, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec474850556169737569625549
Data source: Temperature data for Sestri Levante generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sestri Levante

September in Sestri Levante marks a transition, with precipitation levels averaging 103 mm (4.1 in) over 10 rainy days. This month serves as a bridge between the drier summer months and the wetter autumn period, showcasing a slight uptick from August's 45 mm and 5 days of rain. As the resort town prepares for the incoming autumn, the increase in rainfall paves the way for lush landscapes and vibrant foliage, while still retaining much of the sunny warmth enjoyed during the summer. Compared to October and November, where precipitation surges significantly, September provides a gentle reminder of the changing seasons without overwhelming the charming coastal ambiance.

September Precipitation Trends in Sestri Levante

The chart displays monthly precipitation patterns in Sestri Levante, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89137126105123473345104208213210
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sestri Levante

September in Sestri Levante, Italy, marks a transition in humidity as summer gives way to autumn. With levels hovering around 74%, the month experiences a notable increase from the more arid conditions of August, which recorded 64% humidity. This shift reflects the fading warmth of summer while also foreshadowing the return to the higher humidity of the fall and winter months, with October jumping back to 87%. Overall, September serves as an enchanting bridge, providing a taste of the crisp air to come, yet still retaining a touch of the summer's lingering warmth.

September Average Humidity in Sestri Levante

This chart illustrates the average monthly humidity levels in Sestri Levante, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sestri Levante

As summer transitions into autumn, Sestri Levante experiences a noticeable shift in the UV Index. In September, the UV Index stands at 7, indicating a high exposure category, which allows for a burn time of 25 minutes. This is a dip from the intense summer months, where the UV Index reached its peak at 9, but still requires some caution. With the favorable Mediterranean climate, sun protection remains essential for enjoying the coastal beauty, particularly as days gradually shorten. As the year progresses, the UV Index trends downward, easing into the moderate ranges of October. For more insights on sun safety and UV exposure throughout the year, visit Sestri Levante UV Index.

Maximum UV Index Levels in Sestri Levante for September

The chart shows the monthly maximum UV Index (UVI) for Sestri Levante 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.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Sestri Levante 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 Sestri Levante

September in Sestri Levante, Italy, offers a delightful transition as summer gracefully gives way to autumn. With 339 hours of sunshine, this month stands out as a perfect balance between the sun-drenched peaks of July and August and the cooler, softer light of October. The summer months radiate vitality, peaking with an impressive 429 hours in July, while September retains the warmth with diminishing yet plentiful sunshine. This trend signals an inviting time for visitors seeking to enjoy the beach and immerse themselves in the local culture before the days grow shorter. As daylight gradually wanes, Sestri Levante invites you to relish its stunning coastal beauty under the golden September sun, making it an ideal moment for exploration and leisure.

Monthly Sunshine Duration in Sestri Levante: September Highlighted

The September sunshine duration represents the total number of hours Sestri Levante 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h232h311h348h385h415h429h399h339h299h227h211h
Data source: Sestri Levante September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sestri Levante During September

In September, Sestri Levante, Italy, enjoys a promising 53% chance of sunny weather, making it a delightful time to visit. Following the peak of summer, where August boasts a robust 62%, September still retains a significant likelihood of clear skies, marking a smooth transition into the autumn months. This moderate chance of sunshine, while slightly lower than the height of summer, remains favorable when compared to earlier months like January and April. As the crowds begin to dissipate, visitors can appreciate the area's stunning landscapes under mostly sunny conditions, making September an appealing choice for those seeking both warmth and a quieter atmosphere.

Percentage of Sunny Days in September in Sestri Levante

The chart illustrates the percentage of sunny days in Sestri Levante 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 Sestri Levante experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%44%60%48%41%55%56%62%53%52%38%44%
Data source: Sestri Levante September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sestri Levante in September

As summer gradually gives way to autumn in Sestri Levante, Italy, September marks a gentle decline in daylight duration, where the sun graces the skies for about 12 hours each day. This month serves as a transition, following the peak of 15 hours in June and July. While the bright 14 hours of May linger in memory, September's daylight can still be enjoyed as it dances between the vibrant energy of summer and the upcoming coziness of fall. Subsequently, as October approaches, daylight retreats further to just 10 hours, emphasizing the shift in seasons and inviting a time for reflection and rest.

Average Daylight Hours in Sestri Levante for September

The chart illustrates the variation in daylight duration in Sestri Levante throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 27m11h 56m13h 28m14h 47m15h 26m15h 5m13h 56m12h 28m10h 56m9h 36m8h 54m
Data source: Sestri Levante daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sestri Levante

The September wind in Sestri Levante, Italy, is gentle, with an average speed of just 2.5 m/s (5 mph), reflecting a serene transition into autumn. As summer winds down, the breezes become softer compared to the earlier months, where July and August recorded slightly higher averages of 2.8 m/s (6 mph). This trend indicates a gradual calmness settling over the coastal town, paving the way for the crisp, invigorating winds of October and November. As the seasons change, the shift in wind velocity offers a refreshing backdrop to the stunning seaside landscapes, perfect for relaxed strolls along the shoreline and captivating sunsets over the Ligurian Sea.

Average September Wind Speed in Sestri Levante

The chart displays monthly wind speed patterns in Sestri Levante, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.13.63.03.03.32.42.82.82.5 m/s3.74.72.9
Data source: Sestri Levante September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sestri Levante Compares to Other Months

The weather in Sestri Levante 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 Sestri Levante and find detailed weather information for every month.

September and January present stark contrasts in weather. September boasts warmer temperatures, with averages reaching around 21°C (69°F) and highs of 28°C (83°F), while January’s average languishes at a chillier 8°C (47°F) and peaks at just 15°C (59°F). The precipitation levels are somewhat similar, with September receiving 103 mm (4.1 in) over 10 days and January slightly less at 89 mm (3.5 in) across the same number of days. Additionally, January's higher humidity of 88% compared to September's 74% contributes to a noticeably different feel in the air. For more details about the January weather, you can check out Sestri Levante weather in January.

In September, the weather is significantly warmer, with average temperatures ranging from a mild 13°C (55°F) to a pleasant 28°C (83°F), making it ideal for outdoor activities. However, it experiences a high level of humidity at 74% and receives about 103 mm (4.1 in) of rain over approximately 10 days. In contrast, February brings much cooler temperatures, averaging between -3°C (27°F) and 17°C (63°F), making it quite chilly. It also has higher precipitation levels at 137 mm (5.4 in) spread over around 12 days, with humidity rising to 81%. For those interested in specific details about February weather, you can refer to Sestri Levante weather in February.

September and March present contrasting weather conditions in Sestri Levante. In September, temperatures are milder, ranging from a minimum of 13°C (55°F) to a maximum of 28°C (83°F), with an average of 21°C (69°F). Despite being one of the wetter months, precipitation accumulates to 103 mm (4.1 in) over about 10 days, and the humidity is relatively high at 74%. In contrast, March experiences cooler temperatures, with lows around -1°C (30°F) and highs of 18°C (65°F), averaging at 10°C (51°F). The month is also wetter, with 126 mm (5.0 in) of rain over 11 days, and a slight increase in humidity at 76%. For more detailed information, you can refer to Sestri Levante weather in March.

September and April present quite different weather patterns, reflecting the transition from summer to autumn and the arrival of spring, respectively. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 28°C (83°F), with an average of 21°C (69°F), making it generally warmer than April, which has a milder temperature range from 5°C (41°F) to 23°C (74°F) and an average of 13°C (55°F). Both months experience similar levels of precipitation, with September recording 103 mm (4.1 in) over 10 days and April slightly higher at 105 mm (4.1 in) over 9 days. Humidity levels also differ slightly, with September at 74% and April at 77%, contributing to a more humid feel in the spring. For those interested in details about April weather, you can find more information here: Sestri Levante weather in April.

In comparing the weather of September and May, we see distinct differences in temperature and precipitation patterns. September boasts a warmer climate with average temperatures reaching 21°C (69°F) and a comfortable maximum of 28°C (83°F), while May is cooler, featuring an average of 16°C (61°F) and a maximum of 27°C (80°F). Both months experience high humidity levels of 74%, but May sees slightly more rainfall, accumulating 123 mm (4.8 in) over about 14 days, compared to September's 103 mm (4.1 in) over approximately 10 days. For those interested in the specific weather conditions during May, more details can be found here: Sestri Levante weather in May.

When comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 21°C (69°F). However, September tends to have slightly warmer minimum and maximum temperatures, with lows of 13°C (55°F) compared to June's 14°C (58°F) and highs peaking at 28°C (83°F) versus June's 29°C (85°F). Precipitation in September is significantly higher, with 103 mm (4.1 in) falling over 10 days, while June sees only 47 mm (1.9 in) over 8 days. Additionally, humidity levels are slightly elevated in September at 74%, compared to June's 71%. For more detailed insights, you can check Sestri Levante weather in June.

When comparing the weather in September to that of July, September tends to be cooler overall, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 28°C (83°F). In contrast, July experiences warmer temperatures, with averages between 17°C (62°F) and 30°C (86°F). Additionally, September sees more precipitation, with 103 mm (4.1 in) over approximately 10 days, compared to July's 33 mm (1.3 in) spread over only 6 days. Humidity levels are also higher in September at 74% compared to July's 67%. For further details on July weather, visit Sestri Levante weather in July.

In comparing the weather of September and August, September tends to be cooler, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 28°C (83°F), whereas August experiences slightly higher temperatures, with a minimum of 17°C (63°F) and a maximum of 30°C (87°F). Additionally, September sees significantly more rainfall, accumulating 103 mm (4.1 in) over 10 days, compared to just 45 mm (1.8 in) over 5 days in August. The humidity also rises in September to 74%, while August maintains a lower humidity level of 64%. For more details on August weather in this region, you can check Sestri Levante weather in August.

September typically enjoys warmer temperatures, with a minimum of 13°C (55°F) and an average high of 28°C (83°F), while October sees a dip in temperatures, ranging from a low of 11°C (52°F) to a maximum of 23°C (74°F). However, October tends to be much wetter, with precipitation reaching 208 mm (8.2 in) over 11 days, compared to September's 103 mm (4.1 in) over 10 days. Additionally, humidity levels rise in October to 87%, making the air feel more humid compared to September’s 74%. For more detailed insights, you can check out Sestri Levante weather in October.

In comparing the weather between September and November, it's clear that November brings a significant drop in temperature and an increase in precipitation. September enjoys milder conditions with minimum temperatures around 13°C (55°F) and average highs reaching up to 28°C (83°F). In contrast, November's temperatures decline further, with minimums dipping to 6°C (43°F) and a maximum of only 19°C (66°F).

Precipitation also increases, with September experiencing about 103 mm (4.1 in) over 10 days, while November sees a substantial rise to 213 mm (8.4 in) spread over 17 days. Additionally, November is notably more humid, averaging 88% compared to September's 74%. For a detailed look at this transition in weather patterns, you can visit Sestri Levante weather in November.

In September, Sestri Levante typically enjoys mild temperatures, with an average of 21°C (69°F), ranging from a minimum of 13°C (55°F) to a maximum of 28°C (83°F). The weather is relatively humid at 74%, and rainfall is moderate, with around 103 mm (4.1 in) spread over 10 days. In contrast, December brings a significant drop in temperatures, averaging only 10°C (50°F), with lows of 4°C (39°F) and highs reaching up to 16°C (60°F). The winter month is also wetter, with precipitation increasing to 210 mm (8.2 in) occurring on 17 days, and humidity rising to 85%. For more detailed information, you can check Sestri Levante weather in December.

Compare Sestri Levante's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sestri Levante

As summer gracefully transitions to autumn, September in Sestri Levante presents a delightful blend of warm temperatures and refreshing sea breezes. With daily highs still reaching comfortable levels, the weather is significantly milder compared to the peak heat of July and August, inviting visitors to indulge in outdoor adventures amidst stunning coastal views. While a touch of rain does make its presence felt, it’s balanced by a pleasant humidity, creating an ideal atmosphere for exploration without the sweltering heat. For those looking to experience this captivating seaside gem, September offers an enticing balance of warmth and tranquility. Dive deeper into the region's unique patterns by visiting Sestri Levante Climate.