September Weather in Otranto, Italy

Last updated: March 24, 2025

September in Otranto, Italy offers a delightful mix of warmth and mildness, with a maximum temperature peaking at 33°C (91°F) and an inviting average of 24°C (76°F). As summer transitions to fall, the minimum temperature dips to a pleasant 16°C (61°F), creating ideal conditions for outdoor activities. Despite experiencing some rain, accumulating 44 mm (1.7 in) over 6 days, the overall humidity remains relatively comfortable at 67%. Visitors can enjoy the sunny days while also being prepared for occasional showers, making September a charming time to explore this coastal gem.

September Temperature in Otranto

In September, Otranto experiences a delightful transition as summer gently yields to autumn. The temperatures showcase this shift beautifully, with lows around 16°C (61°F) and averages of 24°C (76°F), creating an inviting atmosphere perfect for exploration. The maximums soar to 33°C (91°F), ensuring that warm beach days linger just a little longer. This month stands out as a prime time to enjoy the mild weather before it cools further in October. As the heat begins to wane, Otranto’s charm radiates, making September an ideal month for leisurely strolls along the stunning coastline and savoring the local cuisine in comfortable temperatures.

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

The chart illustrates September temperature patterns in Otranto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515455606775808276676255
Data source: Temperature data for Otranto 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 Otranto

September in Otranto, Italy, marks a notable transition in precipitation patterns as summer gradually gives way to autumn. With an average rainfall of 44 mm (1.7 inches) over approximately 6 days, this month experiences a slight increase in precipitation compared to the drier summer months. Particularly, September's rainfall is more abundant than in July and August, reflecting a shift toward the wetter months ahead. This uptick sets the stage for a significant rise in precipitation in October, which typically sees averages soar to 97 mm (3.8 inches) over 10 days. As September unfolds, the days may grow shorter, but the increasing rainfall revitalizes the landscape, heralding the richness of the autumn season.

September Precipitation Trends in Otranto

The chart displays monthly precipitation patterns in Otranto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7181565036312520449717472
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Otranto

Nestled on Italy's scenic coast, Otranto experiences a notable shift in humidity throughout the year. In September, the humidity settles at a comfortable 67%, reflecting a tendency towards drier conditions as summer gives way to autumn. This month marks a gradual increase from the more humid summer months of 58% in August and 63% in July, yet it remains significantly lower than the dampness felt in the winter months, with January and December peaking at a muggy 83%. Overall, September embodies a sweet spot in Otranto's climatic rhythm—balancing pleasant warmth with a refreshing reduction in humidity, perfect for enjoying the coastal beauty before the chill of fall sets in.

September Average Humidity in Otranto

This chart illustrates the average monthly humidity levels in Otranto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%75%74%74%75%68%63%58%67%74%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Otranto

As summer fades, September in Otranto, Italy, brings a UV Index of 7, signaling a return to high exposure levels. This marks a slight decrease from the punishing very high indices recorded in July and August, where burn times were as short as 15 minutes. With the UV Index dipping to 7, sunbathers can enjoy a maximum burn time of 25 minutes without protection, but caution is still advised. This month transitions towards milder conditions as it heads into autumn, yet the sun's rays remain potent enough to warrant attention. For more information on UV exposure and safety, check out Otranto UV Index.

Maximum UV Index Levels in Otranto for September

The chart shows the monthly maximum UV Index (UVI) for Otranto 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.
JanFebMarAprMayJunJulAugSepOctNovDec3467910997632
Data source: Otranto 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 Otranto

As summer gracefully transitions into autumn, September in Otranto, Italy, delights visitors with a stunning average of 346 hours of sunshine. While this marks a slight decrease from the sun-drenched days of July and August, which boast 426 and 399 hours respectively, September still offers a warm embrace of light that enhances the beauty of this coastal gem. This month serves as a delightful bridge to the cooler fall season, with sunshine hours robustly exceeding those of the earlier months. As the year unfolds, the trend shows an increase in daylight from January's low of 208 hours to this vibrant September glow. With its mild weather and breathtaking landscapes, Otranto presents an irresistible charm, making September a perfect time to explore its historic streets and scenic shores.

Monthly Sunshine Duration in Otranto: September Highlighted

The September sunshine duration represents the total number of hours Otranto 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.
JanFebMarAprMayJunJulAugSepOctNovDec208h263h331h354h405h412h426h399h346h312h253h255h
Data source: Otranto September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Otranto During September

In Otranto, Italy, September brings a refreshing transition from summer's peak, with a 61% chance of sunny weather. This marks a slight dip from the vibrant sun-soaked months of July and August, which enjoy impressive probabilities of sunshine at 88% and 86%, respectively. As summer's warmth lingers, September still offers plenty of pleasant days, making it a delightful time for visitors to explore the picturesque coastline. Looking back, after the winter and spring months with varying chances of sunshine, the clear upward trend in summer leads to a robust outlook for September, ensuring ample opportunities to bask in the Italian sun before the arrival of autumn.

Percentage of Sunny Days in September in Otranto

The chart illustrates the percentage of sunny days in Otranto 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 Otranto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%54%63%50%59%76%88%86%61%54%36%57%
Data source: Otranto September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Otranto in September

As September rolls into Otranto, Italy, the days begin to gradually shorten, with an average daylight duration of 12 hours. This marks a subtle decline from the summer months, where sunlight lingered impressively for 14 hours in June and July. The transition is a gentle reminder of the encroaching autumn, following August's 13 hours of daylight. Interestingly, this gradual decrease contrasts with the steady increase in daylight seen earlier in the year, from a modest 9 hours in January to a vibrant 14 hours by mid-summer. As September unfolds, the delightful balance of daylight allows for perfect evenings to enjoy the breathtaking coastal views, even as nature prepares for the shorter days ahead.

Average Daylight Hours in Otranto for September

The chart illustrates the variation in daylight duration in Otranto throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 57m13h 17m14h 24m14h 58m14h 40m13h 41m12h 24m11h 5m9h 56m9h 20m
Data source: Otranto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Otranto

As September rolls into Otranto, Italy, the gentle caress of the wind offers a soothing respite from the summer heat. With an average wind speed of 3.5 m/s (8 mph), the breezes are noticeably calmer than the earlier months, reflecting a seasonal transition that invites both relaxation and exploration. This gradual decline from the summer's mild gusts creates an atmosphere where travelers can leisurely enjoy the stunning coastal vistas without the interruptions of stronger winds. As autumn approaches, the winds begin to pick up slightly in October, hinting at the seasonal change and setting the stage for the dynamic beauty of Otranto's outdoor experiences in the months ahead.

Average September Wind Speed in Otranto

The chart displays monthly wind speed patterns in Otranto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.95.15.15.04.73.73.93.83.5 m/s4.05.35.7
Data source: Otranto September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Otranto Compares to Other Months

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

September and January offer contrasting weather experiences. In September, temperatures range from a mild 16°C (61°F) to a warm 33°C (91°F), with an average of 24°C (76°F), while January sees much cooler temperatures, starting at 0°C (32°F) and peaking at 18°C (64°F), with an average of 11°C (52°F). Precipitation is relatively lower in September at 44 mm (1.7 in) over 6 days, compared to January's 71 mm (2.8 in) spread across 10 days. Additionally, January tends to be more humid, with humidity levels reaching 83%, compared to September's 67%. For a detailed look at January's weather, you can visit Otranto weather in January.

September and February exhibit quite a contrast in weather. September enjoys warmer temperatures, with averages around 24°C (76°F) and highs reaching up to 33°C (91°F), while February's temperatures are much cooler, averaging only 12°C (54°F) and peaking at 19°C (66°F). Precipitation levels are also different; September sees 44 mm (1.7 in) over 6 days, whereas February has a higher total of 81 mm (3.2 in) spread over 8 days. Additionally, February's humidity is slightly higher at 75%, compared to September's 67%. For a detailed look at February weather, check out Otranto weather in February.

In comparing September and March weather, a notable contrast in temperature is evident. September boasts milder conditions with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F), while March experiences cooler weather, with temperatures ranging from 3°C (38°F) to 21°C (70°F) and a much lower average of 13°C (56°F). Additionally, September typically has less rainfall, with 44 mm (1.7 in) over 6 days, compared to March’s higher precipitation of 56 mm (2.2 in) spread across 8 days. Humidity in March is slightly higher at 74%, compared to 67% in September, contributing to the overall feeling of chill in early spring. For more details on conditions during this time, check out Otranto weather in March.

When comparing the weather of September and April, September tends to be warmer overall, with temperatures averaging around 24°C (76°F) and reaching highs of 33°C (91°F). In contrast, April has cooler temperatures, with an average of 16°C (60°F) and maximums of 27°C (81°F). Precipitation levels are somewhat similar, with September receiving 44 mm (1.7 in) over 6 days, while April sees slightly more at 50 mm (2.0 in) over 8 days. Additionally, humidity is higher in April at 74%, compared to September's 67%. For more detailed information, you can check Otranto weather in April.

In comparing the weather of September and May, September tends to be warmer overall, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F), while May has a cooler average, with temperatures from 11°C (52°F) to a maximum of 30°C (85°F). Additionally, September experiences slightly more precipitation, with 44 mm (1.7 in) over 6 days compared to May's 36 mm (1.4 in) over 5 days. Humidity levels are marginally lower in September at 67%, while May's humidity is at 75%. For more details on May's weather, you can check out Otranto weather in May.

In September, the weather begins to cool slightly with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F), while still averaging around 24°C (76°F). The month sees an increase in precipitation, with 44 mm (1.7 in) falling over approximately 6 days and humidity levels at 67%. In contrast, June is typically hotter, featuring a minimum temperature of 14°C (58°F) and a maximum of 36°C (98°F), while also averaging 24°C (76°F). June experiences less rainfall, with just 31 mm (1.2 in) over about 5 days, and humidity levels slightly higher at 68%. For more detailed information on the weather, you can check Otranto weather in June.

In comparing the weather from July to September, July typically experiences hotter conditions, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 36°C (98°F). This month is characterized by higher humidity at 63% but less rainfall, averaging only 25 mm (1.0 in) over about three days. In contrast, September sees slightly cooler temperatures, with a minimum of 16°C (61°F), an average of 24°C (76°F), and a maximum of 33°C (91°F). Additionally, September is a bit wetter, with 44 mm (1.7 in) of precipitation spread across six days and slightly higher humidity at 67%. For more detailed insights, you can check Otranto weather in July.

In comparing the weather between September and August, September tends to be slightly cooler, with an average temperature of 24°C (76°F), compared to August's warmer average of 28°C (82°F). August sees higher maximum temperatures as well, peaking at 37°C (99°F), while September's maximum reaches 33°C (91°F). Additionally, September experiences more precipitation, totaling 44 mm (1.7 in) over 6 days, compared to just 20 mm (0.8 in) over 5 days in August. The humidity also increases in September, averaging 67%, compared to 58% in August. For more details, check out Otranto weather in August.

September offers warmer temperatures compared to October, with average highs reaching 33°C (91°F) and a more comfortable humidity level of 67%. In contrast, October sees cooler temperatures, averaging 20°C (68°F) and maxing out at 28°C (83°F). However, it’s also a wetter month, with precipitation almost doubling to 97 mm (3.8 in) over 10 days, leading to increased humidity at 74%. For more details on the specific weather conditions, you can visit Otranto weather in October.

September tends to be warm and inviting, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F), and an average of 24°C (76°F). The month sees moderate rainfall of 44 mm (1.7 in) over about six days, alongside a humidity level of 67%. In contrast, November experiences a significant drop in temperature, with minimums reaching 7°C (45°F) and maximums at 23°C (74°F), resulting in a cooler average of 16°C (62°F). Additionally, November is considerably wetter, receiving 174 mm (6.8 in) of precipitation over 14 days, coupled with higher humidity at 82%. For more details on the weather in November, check out Otranto weather in November.

In September, the weather is typically warm and pleasant, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 33°C (91°F) and an average of 24°C (76°F). The month sees some rainfall, totaling around 44 mm (1.7 in) over approximately 6 days, with humidity sitting at 67%. In contrast, December brings a notable drop in temperature, with lows of 6°C (42°F) and highs reaching only 19°C (66°F), averaging at 13°C (55°F). The winter month experiences increased precipitation, totaling 72 mm (2.9 in) across about 10 days, and higher humidity levels at 82%. For more details, you can check Otranto weather in December.

Compare Otranto's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Otranto

As summer bows out in September, Otranto delights visitors with a pleasant transition into autumn. Temperatures remain warm, boasting an average of 24°C (76°F), but the peak heat of July and August gives way to a more comfortable climate, ideal for exploring the coastal beauty. While precipitation increases slightly, with about 44 mm falling over six days, the overall feel is still predominantly dry, allowing for plenty of sun-soaked adventures. The moderate humidity of 67% adds a touch of balminess, making evenings particularly enjoyable. This month is a sweet spot for those seeking a vibrant yet relaxed atmosphere. For a deeper dive into the unique weather patterns of this charming coastal town, visit Otranto Climate.