September Weather in San Giovanni Rotondo, Italy

Last updated: March 24, 2025

September in San Giovanni Rotondo, Italy, showcases a pleasant climate characterized by an average temperature of 22°C (72°F), with daytime highs reaching a maximum of 34°C (94°F) and cooler nights dropping to a minimum of 12°C (53°F). Despite its warm ambiance, rainfall is common, with about 58 mm (2.3 in) of precipitation spread over 9 days, contributing to an overall humidity level of 66%. This blend of warmth and occasional showers makes September a beautiful time to experience the charm of this historic town.

September Temperature in San Giovanni Rotondo

September in San Giovanni Rotondo, Italy, brings a delightful transition from the sweltering summer months to the milder embrace of autumn. With minimum temperatures averaging 12°C (53°F) and maximums reaching 34°C (94°F), the warmth lingers pleasantly, offering an ideal time for exploration and outdoor activities. The average temperature settles comfortably around 22°C (72°F), providing a splendid backdrop for visitors. As the month progresses, the region begins to experience a gradual cooling trend, foreshadowing the crisp weather that October will bring. This balance of warmth and freshness makes September a particularly inviting time to experience the beauty and charm of this historic town.

September Weather in San Giovanni Rotondo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Giovanni Rotondo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454850576575798071625548
Data source: Temperature data for San Giovanni Rotondo 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 San Giovanni Rotondo

In San Giovanni Rotondo, September marks a transition into the wetter autumn months, with an average precipitation of 58 mm (2.3 in) spread over 9 days. This rainfall prepares the landscape for the upcoming season, rejuvenating the greenery and enhancing the picturesque beauty of the region. The September totals show a noteworthy increase compared to the drier summer months of July and August, which recorded just 29 mm (1.1 in) and 39 mm (1.5 in) respectively. As the warmth of summer fades, September’s rainfall serves as a gentle reminder of the seasonal shift, paving the way for the more abundant precipitation that October and November bring.

September Precipitation Trends in San Giovanni Rotondo

The chart displays monthly precipitation patterns in San Giovanni Rotondo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5651615483332939587810269
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Giovanni Rotondo

In September, San Giovanni Rotondo experiences a slight uptick in humidity, reaching 66% after the drier summer months. This marks a transition from the lowest levels in August, which sits at just 56%, indicating a return to the more humid conditions typical of the fall months. As the year progresses, the humidity steadily rises again, peaking in the winter months, with 82% in January and December. Thus, September serves as a bridge, signaling the shift from the warm, dry summer to the cooler, more humid autumn, encapsulating the region's varying climate beautifully.

September Average Humidity in San Giovanni Rotondo

This chart illustrates the average monthly humidity levels in San Giovanni Rotondo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Giovanni Rotondo

In September, San Giovanni Rotondo experiences a UV Index of 7, indicating a high exposure category with a burn time of just 25 minutes. As summer fades, the UV Index begins to decline from the extreme levels seen in July and August, when it peaked at 10. This transition underscores the importance of adapting sun protection measures as the month progresses, even though the risk remains significant. Visitors and residents alike should remain vigilant, utilizing sunscreen and protective clothing during peak hours. For more detailed information, check out the San Giovanni Rotondo UV Index.

Maximum UV Index Levels in San Giovanni Rotondo for September

The chart shows the monthly maximum UV Index (UVI) for San Giovanni Rotondo 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.
JanFebMarAprMayJunJulAugSepOctNovDec34679101097642
Data source: San Giovanni Rotondo 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 San Giovanni Rotondo

September in San Giovanni Rotondo bathes visitors in a warm embrace of sunlight, with an impressive 341 hours of sunshine illuminating the landscape. This month marks a gentle transition from the peak summer brilliance of July, which boasts 428 hours of radiant light, to the milder glow of October's 315 hours. As summer fades, September still holds onto its charm, providing ample daylight for exploring the scenic beauty and spiritual ambiance of this Italian gem. The steady decline in sunlight hours hints at the approach of autumn, yet during this month, one can still relish the lingering warmth and vibrant atmosphere that San Giovanni Rotondo has to offer.

Monthly Sunshine Duration in San Giovanni Rotondo: September Highlighted

The September sunshine duration represents the total number of hours San Giovanni Rotondo 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h255h324h358h397h415h428h399h341h315h241h247h
Data source: San Giovanni Rotondo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Giovanni Rotondo During September

As summer transitions to autumn, September in San Giovanni Rotondo offers a notable balance of sunshine. With a 56% chance of sunny weather, this month stands out as brighter than the fall months ahead—October's chances drop to 42% and November's even lower at 25%. While September's sun probability is less than the peak summer months of July and August, it still reflects the tail end of the warm season. This makes it an ideal time for visitors to enjoy the region's scenic landscapes and cultural treasures before the cooler weather fully sets in.

Percentage of Sunny Days in September in San Giovanni Rotondo

The chart illustrates the percentage of sunny days in San Giovanni Rotondo 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 San Giovanni Rotondo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%57%55%47%56%62%74%72%56%42%25%48%
Data source: San Giovanni Rotondo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Giovanni Rotondo in September

As summer gently fades into autumn, September in San Giovanni Rotondo heralds a shift in daylight, offering around 12 hours of brightness each day. This decline from the peak of 15 hours in June reflects a smooth transition, as daylight gradually shortens through the fall months. Following a vibrant summer where longer days encouraged outdoor activities, September provides a cozy balance, still allowing ample sunlight while hinting at the approaching chill of winter. The days continue to decrease through October, marking the start of a season that embraces the elegance of early evening skies bathed in soft twilight.

Average Daylight Hours in San Giovanni Rotondo for September

The chart illustrates the variation in daylight duration in San Giovanni Rotondo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 30m10h 35m11h 57m13h 21m14h 33m15h 9m14h 50m13h 47m12h 26m11h 2m9h 48m9h 10m
Data source: San Giovanni Rotondo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Giovanni Rotondo

As the summer transitions into fall, September in San Giovanni Rotondo sees a gentle breeze, with an average wind speed of 2.5 m/s (6 mph). This subtle shift marks a slight decline from the summer months, where the winds remained relatively calm at around 2.8 m/s (6 mph). Interestingly, September is one of the quieter months, framed by slightly stronger winds in January and December, which feature averages of 3.4 m/s (8 mph) and 3.7 m/s (8 mph), respectively. Overall, as the season changes, the winds of San Giovanni Rotondo offer a serene ambiance, inviting visitors to embrace the beauty of autumn in this enchanting Italian town.

Average September Wind Speed in San Giovanni Rotondo

The chart displays monthly wind speed patterns in San Giovanni Rotondo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.83.22.93.22.62.72.82.5 m/s2.92.83.7
Data source: San Giovanni Rotondo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Giovanni Rotondo Compares to Other Months

The weather in San Giovanni Rotondo 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 San Giovanni Rotondo and find detailed weather information for every month.

In September, the weather is notably warmer, with temperatures ranging from a mild 12°C (53°F) at night to a hot 34°C (94°F) during the day, culminating in an average of 22°C (72°F). With 58 mm (2.3 in) of precipitation over approximately 9 days and a humidity level of 66%, the late summer month provides a comfortable atmosphere for outdoor activities. Conversely, January brings a stark contrast, featuring much cooler temperatures that vary from a chilly -4°C (26°F) at night to a mild 17°C (62°F) during the day, averaging just 7°C (45°F). The winter month sees slightly less precipitation at 56 mm (2.2 in) over the same number of rain days, but the humidity rises to 82%, contributing to a damp and brisk environment. For more details on January weather, check out San Giovanni Rotondo weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a minimum of 12°C (53°F) to a maximum of 34°C (94°F), with an average of 22°C (72°F). This month experiences moderate precipitation of 58 mm (2.3 in) over 9 days and a humidity level of 66%. Conversely, February sees much cooler temperatures, ranging from a minimum of -2°C (28°F) to a maximum of 19°C (67°F), with an average of just 9°C (48°F). Precipitation is slightly lower at 51 mm (2.0 in), yet it also occurs over 9 days, accompanied by a higher humidity of 74%. This stark contrast encapsulates the transition from the warmth of late summer to the chill of late winter. For more detailed insights, check out San Giovanni Rotondo weather in February.

September and March showcase distinctly different weather patterns. In September, temperatures are generally warmer, with a minimum of 12°C (53°F) and a maximum of 34°C (94°F), leading to an average of 22°C (72°F). This month sees some rainfall, accumulating to 58 mm (2.3 in) over about 9 days, and the humidity hovers around 66%. In contrast, March experiences a significant drop in temperatures, with a minimum reaching -3°C (27°F) and an average of only 10°C (51°F), despite a maximum similar to September at 22°C (72°F). Precipitation slightly increases to 61 mm (2.4 in) spread across 10 days, and humidity rises to 70%. For a more detailed look at March weather, visit San Giovanni Rotondo weather in March.

Comparing the weather in September and April reveals distinct differences in temperature and humidity. September experiences warmer temperatures, with an average of 22°C (72°F) and highs reaching up to 34°C (94°F), while April is cooler, averaging 14°C (57°F) and peaking at 28°C (83°F). Both months have similar precipitation levels, with September receiving 58 mm (2.3 in) and April slightly less at 54 mm (2.1 in), both spread over nine days. Additionally, September has lower humidity at 66% compared to April's 71%, contributing to a hotter but less sticky feel in early fall. For more detailed information on April weather in the region, visit San Giovanni Rotondo weather in April.

In comparing the weather between September and May, September generally offers warmer temperatures, with average highs reaching up to 34°C (94°F) compared to May's cooler average of 18°C (66°F). However, May experiences slightly higher maximum temperatures at 35°C (95°F) and has a lower minimum temperature of 7°C (44°F) than September's minimum of 12°C (53°F). Precipitation is also more pronounced in May, with 83 mm (3.3 in) over 10 days, compared to September's 58 mm (2.3 in) over 9 days. Additionally, humidity levels are higher in May at 71% compared to September's 66%. For more insights, you can check the San Giovanni Rotondo weather in May.

In September, the weather features a broader temperature range, with minimums around 12°C (53°F) and maximums reaching up to 34°C (94°F), resulting in an average of 22°C (72°F). This month experiences more precipitation, accumulating 58 mm (2.3 in) across about 9 days, while humidity hovers around 66%. In contrast, June tends to be warmer, with minimum temperatures at 12°C (54°F) and maximums soaring to 38°C (100°F), leading to a higher average of 24°C (75°F). Rainfall is less frequent in June, totaling 33 mm (1.3 in) over about 7 days, and humidity is slightly lower at 65%. For more detailed insights about June weather, you can check San Giovanni Rotondo weather in June.

When comparing the weather in September to that of July, we can observe clear differences in temperature and precipitation. September experiences a minimum temperature of 12°C (53°F) and averages around 22°C (72°F), peaking at 34°C (94°F). On the other hand, July is notably warmer with a minimum temperature of 15°C (60°F), an average of 26°C (79°F), and a maximum reaching up to 39°C (103°F). Additionally, July has less precipitation, totaling 29 mm (1.1 in) over 5 days, compared to September’s 58 mm (2.3 in) across 9 days. Humidity levels also vary slightly, with September at 66% and July at 61%. For a more detailed look at July weather, check out San Giovanni Rotondo weather in July.

When comparing the weather in September to August, a noticeable shift occurs in both temperature and precipitation. September sees cooler temperatures with a minimum of 12°C (53°F) and an average of 22°C (72°F), compared to August's warmer minimum of 16°C (61°F) and a higher average of 27°C (80°F). Furthermore, September has a maximum temperature of 34°C (94°F), whereas August can reach up to 41°C (105°F). In terms of precipitation, September experiences slightly more rainfall with 58 mm (2.3 in) over 9 days, while August records 39 mm (1.5 in) over just 8 days. Additionally, the humidity rises in September to 66% compared to 56% in August. For more detailed insights, you can check the San Giovanni Rotondo weather in August.

In September, the weather is typically warmer, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 34°C (94°F), and an average of 22°C (72°F). The month experiences 58 mm (2.3 in) of precipitation over 9 days, with a humidity level of 66%. As October arrives, temperatures drop, with minimums of 8°C (46°F) and an average of 17°C (63°F), while the maximum remains relatively high at 32°C (90°F). Precipitation increases to 78 mm (3.1 in) over the same number of days, and humidity rises slightly to 74%. For a detailed look at the weather this month, check out San Giovanni Rotondo weather in October.

September offers warmer temperatures with a minimum of 12°C (53°F) and an average of 22°C (72°F), peaking at 34°C (94°F), making it a much sunnier month. In contrast, November sees a significant drop in temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), reaching a maximum of 23°C (74°F). Additionally, November experiences more precipitation, totaling 101 mm (4.0 in) over 12 days, compared to September's 58 mm (2.3 in) over 9 days. The humidity also increases in November, reaching 80%, compared to 66% in September. For more detailed information, please visit San Giovanni Rotondo weather in November.

Comparing the weather between September and December reveals a significant shift in temperatures and conditions. In September, temperatures range from a comfortable minimum of 12°C (53°F) to a warm maximum of 34°C (94°F), with an average of 22°C (72°F). This month experiences moderate rainfall of 58 mm (2.3 in) over about 9 days, accompanied by a humidity level of 66%. In contrast, December brings much cooler weather, with temperatures dropping to a minimum of 1°C (35°F) and only reaching a maximum of 18°C (64°F), resulting in an average of just 9°C (49°F). Precipitation increases slightly to 69 mm (2.7 in) over 11 days, and humidity rises to 82%. For more specifics on December weather, visit San Giovanni Rotondo weather in December.

Compare San Giovanni Rotondo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Giovanni Rotondo

As summer transitions into autumn, September in San Giovanni Rotondo offers a delightful blend of warm days and cooler nights, setting it apart from the sultry heat of July and August. With an average temperature of 22°C, the days remain pleasantly warm, while evenings can be refreshingly crisp. Although the month witnesses some rainfall, with about 9 days experiencing precipitation, this represents a mild shift compared to the wetter months that follow. Overall, the moderate humidity level complements the slightly decreasing temperatures. For a more detailed look at the seasonal patterns and unique characteristics of San Giovanni Rotondo's weather, be sure to check out San Giovanni Rotondo Climate.