September Weather in Volterra, Italy

Last updated: March 24, 2025

In September, the charming town of Volterra, Italy experiences a delightful climate characterized by a maximum temperature reaching 31°C (89°F) and an average of 21°C (70°F), offering warm days ideal for exploration. However, evenings can cool down significantly, dipping to a minimum of 8°C (47°F). This transitional month sees a moderate precipitation amount of 98 mm (3.9 in), spread across approximately 11 rainy days, contributing to the lush landscapes surrounding the town. With a humidity level of 66%, visitors should be prepared for a mix of sun and refreshing rain, perfect for enjoying Volterra's rich history and stunning views.

September Temperature in Volterra

In September, Volterra transitions into the gentle embrace of autumn, offering a delightful range of temperatures that entice visitors to explore its picturesque streets. With morning temperatures dipping to a mild 8°C (47°F), the days gradually warm to an inviting average of 21°C (70°F), peaking at a comfortable 31°C (89°F) during the afternoons. This perfect blend of warmth and coolness fosters an ideal atmosphere for outdoor activities and historical sightseeing. As the summer heat begins to wane, September showcases a harmonious balance, allowing both locals and tourists to savor the beauty of this historic city while basking in the lovely early fall climate.

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

The chart illustrates September temperature patterns in Volterra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434750566372767770615346
Data source: Temperature data for Volterra 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 Volterra

In September, Volterra experiences a notable increase in precipitation, receiving 98 mm (3.9 inches) of rainfall over the month, making it one of the wettest months of the year. This uptick in moisture, spread across 11 days, marks a shift from the drier summer months, where July and August see only 37 mm and 35 mm respectively. As autumn approaches, this trend of increasing rainfall continues, with October's average at 94 mm (3.7 inches) and November peaking at 137 mm (5.4 inches). The shift not only enriches the landscape but also heralds a time of renewal, as nature prepares for the cooler months ahead. The combined data illustrates a clear transition, emphasizing September as a pivotal month in Volterra's annual climate rhythm.

September Precipitation Trends in Volterra

The chart displays monthly precipitation patterns in Volterra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec50766085934237359894137119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Volterra

In Volterra, Italy, the humidity levels experience a noticeable ebb and flow throughout the year. Starting with a high of 84% in January, humidity gradually decreases as the seasons change, reaching its lowest point of 55% in August. This trend suggests a drying summer, providing warm and comfortable conditions for outdoor activities. However, as September arrives, the humidity increases again to 66%, signaling a subtle transition towards the wetter months ahead. This uptick foreshadows the approaching autumn and winter, where humidity levels will climb significantly, peaking at 84% by November. Overall, Volterra's humidity trends illustrate a typical Mediterranean climate, characterized by dry summers and damp winters.

September Average Humidity in Volterra

This chart illustrates the average monthly humidity levels in Volterra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Volterra

As summer transitions to autumn in Volterra, Italy, September sees a UV Index of 7, indicating a high level of sun exposure, with a burn time of just 25 minutes for those with fair skin. This marks a slight decline from the peak summer months of June and July, where UV levels reached 10 and 9, respectively, challenging sun-seekers to prioritize sun protection. While the days gradually shorten and temperatures cool, the sun's intensity remains significant, urging residents and visitors alike to remain cautious. Keep an eye on daily UV ratings and enjoy the beautiful Tuscan scenery safely! For more information, visit Volterra UV Index.

Maximum UV Index Levels in Volterra for September

The chart shows the monthly maximum UV Index (UVI) for Volterra 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.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Volterra 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 Volterra

As summer transitions into fall in Volterra, Italy, September offers a delightful balance of warm days and cooling evenings, evidenced by the 340 hours of sunshine that grace the month. This marks a gentle decline from the sun-drenched heights of July and August, which boast 433 and 403 hours respectively. Although the hours of sunlight taper off, September's sun still shines brightly, providing a perfect backdrop for exploring the medieval streets and enjoying local wines. The gradual decrease in daylight hours signals the approach of autumn, with October bringing 308 hours into play, yet September remains a cherished time to experience the beautiful Tuscan landscape, basking in the last golden rays of summer.

Monthly Sunshine Duration in Volterra: September Highlighted

The September sunshine duration represents the total number of hours Volterra 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h241h317h351h393h420h433h403h340h308h234h218h
Data source: Volterra September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Volterra During September

As summer transitions into autumn, September in Volterra boasts a 57% chance of sunshine, making it a delightful time to explore this historic city. While the sunny probabilities dip slightly from the peak of 67% in August, they still reflect a favorable trend compared to the earlier months of the year, such as 33% in January and 36% in November. This moderate likelihood of clear skies invites visitors to enjoy scenic strolls and picturesque views, ensuring that September remains a charming month filled with beautiful weather in this enchanting Italian locale.

Percentage of Sunny Days in September in Volterra

The chart illustrates the percentage of sunny days in Volterra 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 Volterra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%48%65%49%45%58%63%67%57%46%36%44%
Data source: Volterra September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Volterra in September

As summer wanes, September in Volterra, Italy marks a transition, where daylight begins to recede from the long, sun-soaked days of summer. With 12 hours of sunlight, this month showcases a gentle shift, offering just a hint of the approaching autumn. Following a peak in June and July at 15 hours, the gradual decline towards October reflects nature's rhythm, moving from the vibrancy of summer towards the cozy embrace of fall. This month balances warmth and light, allowing for plenty of exploration before the days shorten further, inviting visitors and locals alike to soak in the last golden rays of the year.

Average Daylight Hours in Volterra for September

The chart illustrates the variation in daylight duration in Volterra throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 26m14h 42m15h 20m15h13h 52m12h 27m10h 58m9h 40m9h
Data source: Volterra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Volterra

As summer transitions to autumn in Volterra, Italy, the September wind carries a gentle coolness, with an average speed of 2.1 m/s (5 mph). This drop from the warmer months reflects a gradual shift towards the crispness of fall, following the more stable breezes of July and August. While the wind remains moderate compared to the gustier conditions of November, it serves as a subtle reminder of the changing seasons. As one strolls through the historic streets, the soft whisper of the wind hints at the vibrant colors and rich harvests that September brings, inviting both locals and visitors to embrace the beauty of this enchanting time of year.

Average September Wind Speed in Volterra

The chart displays monthly wind speed patterns in Volterra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.62.52.72.81.82.32.32.1 m/s2.83.02.1
Data source: Volterra September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Volterra Compares to Other Months

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

In September, the weather tends to be much warmer, with average temperatures around 21°C (70°F) and highs reaching up to 31°C (89°F), while January experiences much cooler temperatures, averaging just 6°C (44°F) and peaking at 15°C (59°F). September also has a moderate amount of rainfall, totaling 98 mm (3.9 in) over 11 days, compared to January, which is drier with only 50 mm (2.0 in) across 8 days. Additionally, humidity levels are slightly lower in September at 66%, while January sees a higher humidity of 84%. For more specifics on January weather, you can check Volterra weather in January.

In comparing the weather of September and February, there are notable contrasts in temperature and overall climate conditions. September boasts a warm average temperature of 21°C (70°F) with daily highs reaching up to 31°C (89°F), making it a pleasant month for outdoor activities. In contrast, February features a much cooler average temperature of 8°C (48°F), with maximum temperatures only reaching 18°C (64°F) and chilly lows dropping to -4°C (25°F).

Precipitation levels are relatively moderate in both months; September receives 98 mm (3.9 in) over approximately 11 days, while February sees slightly less at 76 mm (3.0 in) across about 9 days. Additionally, February tends to be more humid, with humidity levels at 76%, compared to September's 66%. For a more detailed look at winter conditions, you can visit Volterra weather in February.

September and March offer contrasting weather experiences, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures can reach a maximum of 31°C (89°F), with an average around 21°C (70°F), creating a warm and pleasant atmosphere ideal for outdoor activities. The month sees around 98 mm (3.9 in) of precipitation over 11 days, with humidity levels at 66%.

In contrast, March experiences cooler temperatures, with a maximum of only 22°C (71°F) and an average of 10°C (50°F). The minimum temperature can drop to -3°C (26°F), signifying the lingering chill of winter. With about 60 mm (2.4 in) of rain spread across 8 days, the humidity is slightly higher at 68%. For detailed information on Volterra weather in March, you can explore how the climate shapes this beautiful region during early spring.

Comparing the weather in September and April reveals some distinct differences. September generally features warmer temperatures, with averages reaching 21°C (70°F) and maximums soaring to 31°C (89°F), while April has a cooler average of 13°C (56°F) and maximums of 26°C (79°F). Additionally, September experiences a higher amount of precipitation, with 98 mm (3.9 in) over 11 days, compared to April's 85 mm (3.3 in) over 10 days. Humidity levels are slightly elevated in April at 70%, compared to 66% in September, making April feel a bit more humid overall. For more detailed information about the weather conditions during April, you can visit Volterra weather in April.

In September, the weather showcases a wider temperature range, with minimums around 8°C (47°F) and average highs reaching 31°C (89°F), compared to May's milder temperatures that range from a minimum of 6°C (44°F) to an average maximum of 31°C (89°F). Both months experience similar precipitation levels, with September receiving slightly more at 98 mm (3.9 in) over 11 days compared to May's 93 mm (3.7 in) over 13 days. Additionally, September tends to have a slightly lower humidity level at 66%, while May's humidity sits at 69%, making early summer feel a bit more humid. For more detailed insights, you can check Volterra weather in May.

When comparing the weather in September and June, we can see distinct differences. September typically features a temperature range from a minimum of 8°C (47°F) to a maximum of 31°C (89°F), with an average temperature of 21°C (70°F). In contrast, June's temperatures are slightly warmer, with a minimum of 13°C (55°F) and a maximum of 34°C (93°F), averaging 22°C (72°F). Additionally, September experiences more precipitation, totaling 98 mm (3.9 in) over 11 days, while June has a significantly lower rainfall of 42 mm (1.6 in) over just 5 days. Humidity levels are also similar, with September at 66% and June at 62%. For a more detailed look at the weather dynamics in June, consider visiting Volterra weather in June.

In comparing the weather of September and July, September features a wider temperature range, with minimums around 8°C (47°F), an average of 21°C (70°F), and maximums reaching up to 31°C (89°F). The month experiences significantly more precipitation, totaling 98 mm (3.9 in) across 11 days and a higher humidity level at 66%. In contrast, July is generally warmer with minimum temperatures around 15°C (60°F), an average of 25°C (76°F), and maximums often hitting 35°C (94°F). It sees much less precipitation, only 37 mm (1.5 in) over 5 days, along with lower humidity at 57%.

For more details, you can check Volterra weather in July.

In comparison to August, September experiences a notable drop in temperatures, with minimums around 8°C (47°F) compared to 15°C (59°F) in August. The average temperature also declines from 25°C (78°F) in August to 21°C (70°F) in September, while the maximums peak lower, reaching 31°C (89°F) as opposed to August's 35°C (95°F). Additionally, September is wetter, with 98 mm (3.9 in) of precipitation occurring over 11 days, in stark contrast to August's 35 mm (1.4 in) over just 6 days. Humidity levels increase in September to 66%, compared to 55% in August, creating a more humid atmosphere as summer transitions into autumn. For more detailed insights into August weather, you can check Volterra weather in August.

September and October display a noticeable shift in weather patterns. In September, temperatures are warmer, with a range from a minimum of 8°C (47°F) to a maximum of 31°C (89°F), averaging around 21°C (70°F). The month sees around 98 mm (3.9 in) of precipitation over 11 days, while humidity hovers at 66%. Conversely, October brings cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 26°C (79°F), averaging only 16°C (61°F). Precipitation levels slightly decrease to 94 mm (3.7 in) over 9 days, but humidity increases to 79%. For more detailed insights into the weather in October, consider visiting Volterra weather in October.

September typically enjoys a warmer climate, with average temperatures around 21°C (70°F) and highs reaching 31°C (89°F). In contrast, November experiences a significant drop, with average temperatures declining to 12°C (53°F) and maximums only reaching 19°C (67°F). Additionally, November sees increased precipitation, averaging 137 mm (5.4 in) over 15 days, compared to September's 98 mm (3.9 in) over 11 days. The humidity also rises in November to 84%, making it feel cooler and more damp than the relatively warmer and drier conditions of September. For more details, you can check Volterra weather in November.

In September, the weather is warm and pleasant, with average temperatures around 21°C (70°F) and highs reaching up to 31°C (89°F). The month sees some rain with a total precipitation of 98 mm (3.9 in) over 11 days, while humidity hovers around 66%. In contrast, December brings much colder conditions, with average temperatures dropping to 8°C (46°F) and highs peaking at 16°C (61°F). The precipitation is slightly higher at 119 mm (4.7 in) across 13 days, coupled with increased humidity at 83%. For more insights into the December climate, check out Volterra weather in December.

Compare Volterra's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Volterra

As September arrives in Volterra, the town experiences a delightful transition from the heat of summer to the mildness of autumn. With average temperatures around a comfortable 21°C (70°F), visitors enjoy pleasantly warm days, though crisp evenings can bring refreshing coolness. This month also sees an increase in precipitation, with about 98 mm falling over 11 days, replenishing the lush landscapes that define this beautiful region. The humidity levels hover around 66%, adding a touch of softness to the air, making it a perfect time for exploring the rich history and stunning scenery of Volterra. To learn more about what to expect throughout the year, visit Volterra Climate.