September Weather in Spoleto, Italy

Last updated: March 24, 2025

In September, Spoleto, Italy, offers a delightful climate characterized by maximum temperatures reaching 31°C (89°F) and an average of 18°C (65°F). Visitors can expect a refreshing range, with minimum temperatures dipping to 5°C (42°F) during the cooler nights. While occasional rainfall is likely, with a total precipitation of 91 mm (3.6 in) spread over 8 days, the humidity remains moderate at 67%, making it a pleasant time to explore this charming historic city. With warm days and cooler evenings, September is perfect for enjoying both outdoor adventures and serene evenings.

September Temperature in Spoleto

In September, Spoleto experiences a delightful transition as summer gives way to fall. With daily temperatures ranging from a minimum of 5°C (42°F) to a comfortable maximum of 31°C (89°F), the month offers a pleasant average of 18°C (65°F), making it an ideal time for exploring the region's historic charm. Unlike the scorching heat of August, where temperatures can soar to 38°C (100°F), September provides a refreshing break, inviting visitors to enjoy outdoor activities amidst mild weather. As the month progresses, temperatures gradually decline, foreshadowing the cooler days of October and signaling a shift in the seasonal landscape. Overall, September in Spoleto is marked by a perfect balance of warmth and comfort, perfect for enjoying its picturesque surroundings.

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

The chart illustrates September temperature patterns in Spoleto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384345525969747565574941
Data source: Temperature data for Spoleto 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 Spoleto

September in Spoleto, Italy, marks a notable transition in weather as the summer heat gives way to the crispness of autumn. With 91 mm (3.6 inches) of precipitation spread over 8 days, this month mirrors the wetter spring months, reflecting a shift in climatic patterns. After the drier summer months of July and August, September's rainfall contributes to the revitalization of local flora and prepares the countryside for the abundant rains that follow in November and December. Overall, while the precipitation remains significant, it sets the stage for the lush landscapes typical of this charming Italian region as it embraces the fall.

September Precipitation Trends in Spoleto

The chart displays monthly precipitation patterns in Spoleto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec61739171964328409162126134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Spoleto

As summer yields to fall in Spoleto, Italy, September brings a refreshing shift in humidity levels. After basking in the warm, dry air of August, where humidity dipped to a comfortable 54%, September sees a return to more humid conditions, averaging 67%. This increase marks the beginning of a gradual climb toward the wetter months ahead, as October and November see humidity levels soar again to 78% and 84% respectively. The transition from the drier summer months to the more humid fall creates a pleasant atmosphere, making September a particularly enjoyable time to explore this charming Italian town.

September Average Humidity in Spoleto

This chart illustrates the average monthly humidity levels in Spoleto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Spoleto

In September, Spoleto experiences a UV Index of 8, reflecting a very high exposure category, which translates to a burn time of just 15 minutes for unprotected skin. As summer transitions into autumn, the UV levels begin to slightly decrease from the peak values of July and August, yet they remain significant enough to warrant caution. This trend highlights the need for sun protection even in early fall, with the UV Index dropping to a more moderate level in October. To stay informed about your sun exposure and plan accordingly, visit Spoleto UV Index.

Maximum UV Index Levels in Spoleto for September

The chart shows the monthly maximum UV Index (UVI) for Spoleto 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.
JanFebMarAprMayJunJulAugSepOctNovDec34679101098542
Data source: Spoleto 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 Spoleto

September in Spoleto, Italy, boasts a delightful 333 hours of sunshine, marking a transition into autumn that still holds onto the warm embrace of summer. As the months progress, we observe a gradual increase in sunlight, with March kicking off the trend at 312 hours and peaking in July with an impressive 430 hours. However, as the days start to shorten, hours of sunshine dip slightly in August and September, indicating the inevitable shift in seasons. This beautiful city, drenched in golden light during the peak summer months, still enjoys a generous amount of sun in September, making it an ideal time for visitors to experience its breathtaking landscapes and rich history before the cooler months set in. The gentle decline in sunshine hours as we move toward October, with 305 hours, serves as a reminder of the seasonal rhythm, celebrating both the fading summer and the forthcoming autumn charm.

Monthly Sunshine Duration in Spoleto: September Highlighted

The September sunshine duration represents the total number of hours Spoleto 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h239h312h347h388h417h430h398h333h305h230h226h
Data source: Spoleto September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Spoleto During September

September in Spoleto, Italy, brings a mildly sunny disposition, boasting a 57% chance of clear skies. This month sits comfortably between the high summer sun of August, which enjoys a robust 70% chance, and the onset of more variable weather in October, dropping to 40%. As the summer warmth lingers, September provides a beautiful balance, allowing for enjoyable outdoor activities amid a fading summer glow. Visitors can delight in this pleasant transition as the days remain bright, making it a fantastic time to explore the charming streets and scenic landscapes of Spoleto.

Percentage of Sunny Days in September in Spoleto

The chart illustrates the percentage of sunny days in Spoleto 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 Spoleto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%55%61%45%46%62%66%70%57%40%29%45%
Data source: Spoleto September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Spoleto in September

As summer gracefully transitions to autumn, September in Spoleto, Italy, offers a delightful balance with approximately 12 hours of daylight. This marks a subtle decline from the sun-soaked days of June, where daylight peaks at 15 hours, ushering in longer evenings. The month begins to hint at the impending cooler seasons, with daylight hours tapering from the vibrant 13 hours seen in August. This gradual shift encapsulates the essence of early autumn, inviting locals and visitors alike to bask in the golden hues of shorter but still plentiful days, perfect for exploring the charming streets and rich cultural heritage of Spoleto.

Average Daylight Hours in Spoleto for September

The chart illustrates the variation in daylight duration in Spoleto throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 16m14h 56m13h 50m12h 26m11h9h 43m9h 4m
Data source: Spoleto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Spoleto

As September arrives in Spoleto, Italy, the gentle whispers of the wind linger at an average speed of 1.6 m/s (4 mph), marking a noticeable decline from the summer months. This serene breeze, the least robust of the year, caresses the vibrant landscapes, creating a tranquil atmosphere that perfectly complements the onset of autumn. The trend of the year's wind begins to shift, with September embodying a transition, as the brisker gusts of May and July give way to a softer embrace. As the days shorten, the wind’s calm demeanor invites both locals and visitors to enjoy the scenic vistas and rich history of this charming Italian town, fostering a peaceful ambiance that is ideal for leisurely strolls amidst its ancient architecture.

Average September Wind Speed in Spoleto

The chart displays monthly wind speed patterns in Spoleto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.02.12.02.41.82.22.01.6 m/s2.11.92.1
Data source: Spoleto September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Spoleto Compares to Other Months

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

September and January present stark contrasts in weather. In September, temperatures range from a mild 5°C (42°F) at night to a warm 31°C (89°F) during the day, with an average of 18°C (65°F). This month experiences 91 mm (3.6 in) of precipitation over about 8 days, accompanied by a moderate humidity of 67%. In contrast, January is significantly colder, with temperatures dropping to a minimum of -8°C (18°F) and peaking at just 16°C (61°F), resulting in an average temperature of only 3°C (39°F). The month receives less precipitation at 61 mm (2.4 in) over 9 days, but humidity is notably higher at 85%. For a more detailed look at weather patterns during this winter month, you can visit Spoleto weather in January.

September and February present contrasting weather patterns, showcasing the shift from late summer to mid-winter. September enjoys a warmer climate with average temperatures ranging from a mild 18°C (65°F) to a high of 31°C (89°F), while February is notably colder, with temperatures averaging around 6°C (43°F) and dipping as low as -16°C (3°F). Precipitation also varies, with September experiencing 91 mm (3.6 in) over 8 days, compared to February's 73 mm (2.9 in) over 9 days. Additionally, February's humidity levels are higher at 78%, compared to September's 67%, giving it a chillier feel despite slightly lower overall rainfall. For a detailed look at February weather specifics, you can check Spoleto weather in February.

In September, temperatures range from a chilly minimum of 5°C (42°F) to a warm maximum of 31°C (89°F), with an average of 18°C (65°F). The month experiences about 91 mm (3.6 in) of precipitation over 8 days, and the humidity sits at 67%. In contrast, March brings a much colder climate, with temperatures dipping as low as -19°C (-2°F) and peaking at 20°C (69°F), averaging around 7°C (45°F). The precipitation remains similar at 91 mm (3.6 in), but occurs over slightly more days—10 in total—while humidity rises slightly to 69%. For more detailed information, you can check Spoleto weather in March.

When comparing the weather in September and April, notable differences emerge. September typically boasts a wider temperature range, with minimums at 5°C (42°F) and maximums soaring to 31°C (89°F), leading to an average of 18°C (65°F). In contrast, April experiences cooler temperatures, ranging from a minimum of -4°C (24°F) to a maximum of 24°C (75°F), with an average of 11°C (52°F). Precipitation levels are also different; September sees 91 mm (3.6 in) of rain over 8 days, while April has slightly less rainfall at 71 mm (2.8 in) over 10 days. Humidity levels in both months are comparable, with September at 67% and April slightly higher at 71%. For more detailed information, check Spoleto weather in April.

When comparing the weather in September and May, we see notable differences. September features a wider temperature range, with a minimum of 5°C (42°F) and a maximum of 31°C (89°F), while May has slightly cooler temperatures, ranging from a minimum of 1°C (35°F) to a maximum of 30°C (86°F). Despite similar average temperatures—18°C (65°F) in September and 15°C (60°F) in May—September tends to be warmer overall. Both months have significant precipitation, with September receiving 91 mm (3.6 in) over approximately 8 days, while May has slightly more with 96 mm (3.8 in) across 14 days. Humidity is also a bit higher in May at 71% compared to September’s 67%. For more details about the weather in May, you can check this link: Spoleto weather in May.

The weather in September exhibits a broader temperature range compared to June, with minimums reaching as low as 5°C (42°F) and maximums soaring to 31°C (89°F). In contrast, June starts off slightly warmer, with minimum temperatures at 7°C (45°F) and maximums climbing up to 35°C (95°F). Additionally, September experiences more precipitation, averaging 91 mm (3.6 in) over 8 days, while June sees significantly less rain at 43 mm (1.7 in) across 6 days. Humidity levels are fairly comparable, with September sitting at 67% and June slightly lower at 63%. For more specific information on the conditions in June, you can check out Spoleto weather in June.

September's weather presents a more varied climate compared to the hotter, drier conditions of July. While July enjoys higher temperatures with a minimum of 12°C (54°F) and a maximum reaching up to 36°C (96°F), September starts cool at 5°C (42°F) but averages around a comfortable 18°C (65°F) and can peak at 31°C (89°F). Additionally, September is significantly wetter, receiving 91 mm (3.6 in) of precipitation over 8 days, whereas July only has 28 mm (1.1 in) of rainfall across 4 days. This difference in humidity is also noticeable, with September experiencing higher humidity levels at 67% compared to July's 59%. For more detailed insights, you can check out Spoleto weather in July.

In comparing the weather between September and August, September tends to be cooler and more variable. While August boasts a higher average temperature of 24°C (75°F) and can reach maximums of 38°C (100°F), September's temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (89°F), reflecting a significant drop in the evening and night temperatures. Additionally, September experiences more precipitation, with 91 mm (3.6 in) over 8 days compared to August's 39 mm (1.6 in) over just 7 days. Humidity also increases in September, averaging 67% compared to August's 54%. For more detailed insights about the weather in August, you can visit Spoleto weather in August.

In comparing the weather between September and October, we see a notable shift in temperature and precipitation patterns. September boasts a wider temperature range, with minimums around 5°C (42°F) and maximums reaching up to 31°C (89°F), leading to an average of 18°C (65°F). In contrast, October experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 26°C (78°F), averaging at 14°C (57°F). Additionally, while September sees more precipitation at 91 mm (3.6 in) over 8 days, October has less rainfall at 62 mm (2.4 in) but a slightly higher humidity level at 78%. For more insights on early fall weather, check out Spoleto weather in October.

September and November present quite a contrast in weather conditions. In September, temperatures range from a mild 5°C (42°F) at night to a warm average of 18°C (65°F) during the day, peaking at a hot 31°C (89°F). The month sees a total precipitation of 91 mm (3.6 in) over approximately 8 rainy days, with humidity around 67%. In stark contrast, November is considerably cooler, with temperatures dropping to a minimum of -4°C (25°F) and averaging 10°C (50°F), while the maximum only reaches 18°C (65°F). The month is also wetter, with 126 mm (5.0 in) of rain spread over 14 days, and humidity levels increasing to 84%. This means that November is not only colder but also typically wetter than September. For more detailed information about November weather in this region, you can visit Spoleto weather in November.

In September, the weather is markedly warmer, featuring temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (89°F), with an average of 18°C (65°F). The month experiences moderate rainfall of 91 mm (3.6 in) over about 8 days, accompanied by a humidity level of 67%. In contrast, December showcases a significant drop in temperatures, with a minimum of -5°C (24°F), an average of 5°C (42°F), and a maximum of 15°C (60°F). This month also sees increased precipitation, amounting to 134 mm (5.3 in) across 12 days, and a higher humidity level of 86%. To learn more about December weather in this region, you can visit Spoleto weather in December.

Compare Spoleto's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Spoleto

As summer transitions into autumn, September in Spoleto brings a delightful shift in weather, characterized by comfortable average temperatures that invite outdoor exploration. Unlike the intense heat of July and August, September's milder conditions, with a maximum of 31°C (89°F), provide a welcome respite, making it ideal for leisurely strolls through the town's historic streets. While occasional rain—amounting to 91 mm over about eight days—adds a refreshing touch, the humidity remains manageable, hovering around 67%. This balance of warmth and mildness creates a unique charm that sets September apart from both the sweltering summer and the cooler months that follow. To get a fuller picture of what to expect in this beautiful region, visit Spoleto Climate.