September Weather in Arezzo, Italy

Last updated: March 24, 2025

In September, Arezzo, Italy, welcomes the transition from summer to autumn with pleasant weather characterized by a maximum temperature of 30°C (86°F), an average of 18°C (65°F), and a cool minimum dipping to 6°C (42°F). This month sees approximately 83 mm (3.3 in) of precipitation spread over 10 days, contributing to a lush and vibrant landscape. The humidity levels hover around 66%, creating a comfortable atmosphere for both residents and visitors to enjoy the city's stunning sights and rich cultural heritage. Whether you're exploring historic sites or indulging in local cuisine, September offers a delightful experience in Arezzo.

September Temperature in Arezzo

In September, Arezzo experiences a charming transition from the summer's warmth to the cooler autumn months. With minimum temperatures settling around 6°C (42°F) and averages reaching a comfortable 18°C (65°F), the city offers pleasant conditions for outdoor exploration. Daytime highs can still soar to 30°C (86°F), making it a perfect time to enjoy the lingering warmth of the season. As the month progresses, the temperatures gradually cool, paving the way for crisp fall days ahead. This mild climate, coupled with Arezzo's rich history and stunning landscapes, creates an inviting atmosphere for visitors seeking both comfort and culture in early autumn.

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

The chart illustrates September temperature patterns in Arezzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384245525968737465564941
Data source: Temperature data for Arezzo 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 Arezzo

In September, Arezzo experiences a noticeable shift in precipitation patterns, receiving approximately 83 mm (3.3 in) of rainfall over 10 days. This marks a rise compared to the summer months, where July and August saw significantly lower totals of 43 mm (1.7 in) and 46 mm (1.8 in), respectively. As autumn approaches, the increased rainfall hints at the transition from the dry warmth of summer to the wetter conditions typical of the following months. Notably, October follows closely with an average of 98 mm (3.9 in), suggesting that September's rainfall is a precursor to the more substantial precipitation that characterizes the autumn months. This trend highlights the shift in Arezzo's climate, as it prepares for the wetter days ahead.

September Precipitation Trends in Arezzo

The chart displays monthly precipitation patterns in Arezzo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec599884911025843468498134128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arezzo

In September, Arezzo experiences a shift in humidity levels as summer transitions to autumn, with a humidity of 66%. This marks an increase from the drier months of July and August, which boast the year's lowest levels at 57% and 55%, respectively. As the weather cools, the humidity rises closer to the spring averages, but it remains distinctly lower than the winter months, where levels soar to 84% in January and November. This gradual ascendancy reminds us of nature's rhythms, setting a refreshing backdrop for early autumn in this charming Italian city.

September Average Humidity in Arezzo

This chart illustrates the average monthly humidity levels in Arezzo, 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 Arezzo

As the summer heat begins to fade, September in Arezzo, Italy, presents a moderately high UV Index of 7, allowing for a bit more sun-friendly comfort compared to the peak summer months. With a burn time of just 25 minutes, it’s essential to stay vigilant while enjoying outdoor activities. Though there's a slight dip from the blistering highs of July and August, which recorded UV indices of 10, the sun still demands your attention. As autumn approaches, the UV levels are projected to decrease further in October, but for now, embrace the sunny September days while prioritizing skin protection. For more detailed UV forecasts, visit Arezzo UV Index.

Maximum UV Index Levels in Arezzo for September

The chart shows the monthly maximum UV Index (UVI) for Arezzo 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Arezzo 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 Arezzo

As summer fades and autumn approaches, September in Arezzo, Italy offers a delightful transition, boasting 338 hours of sunshine. This vibrant month showcases a subtle decline from the peak of summer, as July, with its 431 hours, shines at its brightest, tapering into August's 400 hours. Despite this decrease, September still maintains a robust amount of sunshine, significantly more than the drearier winter months that follow. The gradual shift from the exuberance of summer to the more tempered warmth of fall creates the perfect backdrop for enjoying the enchanting landscapes and rich culture of Arezzo, making it a splendid time to explore this historic gem bathed in golden light.

Monthly Sunshine Duration in Arezzo: September Highlighted

The September sunshine duration represents the total number of hours Arezzo 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h229h313h346h390h420h431h400h338h304h230h220h
Data source: Arezzo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arezzo During September

September in Arezzo, Italy, offers a 52% chance of sunny weather, striking a lovely balance as summer transitions to autumn. This month sees a noticeable dip in sunshine when compared to the peak summer months of July and August, which boast chances of 61% and 63% respectively. Yet, September still presents a favorable opportunity for enjoying the outdoors, especially when contrasted with the cooler, cloudier months that follow. As the warmth of summer lingers, visitors can relish in those golden rays, making it a delightful time to explore the rich culture and scenic beauty of Arezzo.

Percentage of Sunny Days in September in Arezzo

The chart illustrates the percentage of sunny days in Arezzo 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 Arezzo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%43%62%42%40%59%61%63%52%37%27%39%
Data source: Arezzo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arezzo in September

As summer transitions into autumn, September in Arezzo, Italy, experiences a gentle decline in daylight, offering around 12 hours of sun each day. This marks a shift from the long, sun-drenched days of July and August, where daylight peaked at 15 hours. The daylight duration gradually reduces in the fall, echoing the shorter days that characterize the later months. While September still boasts a commendable amount of light, it signals the impending darkness of October and the winter months ahead. This gradual change in daylight not only reflects the seasonal rhythm but also provides a beautiful backdrop for Arezzo’s stunning autumn scenery.

Average Daylight Hours in Arezzo for September

The chart illustrates the variation in daylight duration in Arezzo 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: Arezzo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Arezzo

In September, the winds in Arezzo, Italy, whisper gently, with an average speed of 1.8 m/s (4 mph), marking a slight decline from the previous months. As summer transitions into autumn, this softer breeze reflects the calm before the seasonal shift, contrasting with the more vigorous gusts of earlier months—like May at 2.7 m/s (6 mph). The temperate air allows for leisurely strolls, where the subtle winds encourage a moment of reflection amidst the historic beauty of the city. September’s gentle air sets the stage for the subsequent increase in wind speeds come October, as Arezzo prepares to embrace the dynamic changes of fall.

Average September Wind Speed in Arezzo

The chart displays monthly wind speed patterns in Arezzo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.32.52.42.71.72.22.11.8 m/s2.72.52.1
Data source: Arezzo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Arezzo Compares to Other Months

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

September and January present markedly different weather patterns. In September, temperatures range from a cool 6°C (42°F) at night to a warm 30°C (86°F) during the day, with an average of 18°C (65°F). The month experiences 83 mm (3.3 in) of precipitation over about 10 days, and humidity levels hover around 66%. In contrast, January brings much colder conditions, with temperatures dipping as low as -7°C (20°F) and peaking at only 14°C (57°F), averaging just 3°C (38°F). Although precipitation is slightly lower at 59 mm (2.3 in) over 8 days, the humidity is higher at 84%, contributing to a more biting chill. For a detailed look at January weather specifically, you can check Arezzo weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures are milder with a minimum of 6°C (42°F) and an average high of 30°C (86°F), accompanied by an average humidity of 66%. This month experiences 10 days of precipitation totaling 83 mm (3.3 in), making it feel warm and sometimes humid. In contrast, February brings much colder temperatures, with a minimum of -12°C (11°F) and an average high of only 19°C (66°F). Although February has slightly higher precipitation at 98 mm (3.8 in) over 11 days, the humidity is also higher at 76%, contributing to a chillier and more damp climate. For more details, check out Arezzo weather in February.

In September, temperatures typically range from a mild 6°C (42°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 18°C (65°F). The month sees about 83 mm (3.3 in) of precipitation over approximately 10 days, accompanied by a humidity level of 66%. In contrast, March experiences cooler temperatures, with minimums dropping as low as -14°C (7°F) and maximums reaching up to 21°C (69°F), averaging around 7°C (45°F). This month also has a similar level of precipitation at 84 mm (3.3 in) but over just 9 days, with slightly higher humidity at 68%. For more detailed insights on March weather, you can check Arezzo weather in March.

In comparing the weather between September and April, September typically offers warmer temperatures, with a minimum of 6°C (42°F) and an average of 18°C (65°F), reaching up to a maximum of 30°C (86°F). In contrast, April starts off colder, featuring minimum temperatures of -4°C (25°F) and an average of 11°C (52°F), peaking at 24°C (75°F). While both months experience relatively similar levels of precipitation, with 83 mm (3.3 in) in September and 91 mm (3.6 in) in April, April tends to be slightly wetter with more rainy days. Humidity levels are also comparable, with September at 66% and April a bit higher at 70%. For a more detailed view, you can check out Arezzo weather in April.

Comparing the weather between September and May reveals notable differences in temperature and precipitation patterns. September boasts a broader temperature range, with a minimum of 6°C (42°F) and maximum of 30°C (86°F), while May sees slightly cooler temperatures, ranging from a minimum of 4°C (39°F) to a maximum of 27°C (81°F). Precipitation is more frequent in May, with rain occurring on 17 days and totaling 102 mm (4.0 in), compared to September's 10 days of rain and 83 mm (3.3 in). Additionally, May has slightly higher humidity at 69%, compared to September's 66%. For more specific insights on May weather, you can check Arezzo weather in May.

In comparing the weather between September and June, September typically experiences a broader temperature range, with minimums dropping to 6°C (42°F) and maximums reaching up to 30°C (86°F), compared to June's higher minimums of 8°C (46°F) and maximums of 34°C (94°F). Additionally, September sees more precipitation, averaging 83 mm (3.3 in) over approximately 10 days, while June has lower rainfall at 58 mm (2.3 in) over about 7 days. Humidity levels are slightly higher in September at 66%, compared to June's 62%, contributing to a more humid feel in the early autumn month. For a closer look at weather conditions in June, you can visit Arezzo weather in June.

In comparing the weather between September and July, September tends to be cooler with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 30°C (86°F), and an average of 18°C (65°F). It also experiences higher precipitation, with 83 mm (3.3 in) over about 10 days and a humidity level of 66%. In contrast, July is warmer, with temperatures ranging from 10°C (51°F) to 34°C (94°F) and an average of 23°C (73°F). The month sees less rain, totaling 43 mm (1.7 in) over 6 days, and lower humidity at 57%. For a closer look at July weather, you can check Arezzo weather in July.

In comparing the weather between August and September, we observe a notable shift in temperatures and humidity levels. August features warmer conditions with minimum temperatures around 11°C (51°F) and averages reaching up to 23°C (74°F), peaking at a maximum of 35°C (96°F). This month is also characterized by lower humidity at 55% and only 46 mm (1.8 in) of precipitation spread over 7 days. In contrast, September cools down significantly, with minimum temperatures dropping to 6°C (42°F) and an average of 18°C (65°F), while maximums reach 30°C (86°F). Humidity increases to 66%, and the month experiences higher precipitation, totaling 83 mm (3.3 in) over 10 days. For more details on the August conditions, you can refer to Arezzo weather in August.

September and October present notable shifts in weather patterns. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F). This month typically experiences 83 mm (3.3 in) of precipitation over approximately 10 days, alongside a humidity level of 66%.

By October, the temperatures drop further, with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 25°C (78°F). The month is slightly wetter, recording 98 mm (3.9 in) of rainfall over 11 days and a rise in humidity to 79%. This transition marks October as a month of cooler temperatures and increased precipitation. For more details, you can refer to Arezzo weather in October.

September and November present a stark contrast in weather conditions. September typically enjoys milder temperatures, with a minimum of 6°C (42°F) and an average high reaching 30°C (86°F), perfect for enjoying the tail end of summer. However, it also brings significant humidity at 66% and an average precipitation of 83 mm (3.3 in) over about 10 days. In contrast, November ushers in cooler temperatures, with lows dropping to -3°C (27°F) and an average high of only 18°C (64°F). This month experiences heavier rainfall, accumulating 134 mm (5.3 in) across approximately 13 days, alongside increased humidity levels at 84%. For a more detailed look at November's weather, check out Arezzo weather in November.

September and December weather exhibit significant differences in temperature and precipitation patterns. In September, temperatures range from a mild 6°C (42°F) at night to a warm 30°C (86°F) during the day, accompanied by an average of 83 mm (3.3 in) of rainfall spread over 10 days and a humidity level of 66%. In contrast, December experiences much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 14°C (58°F), alongside higher precipitation of 127 mm (5.0 in) occurring over 13 days and increased humidity at 83%. For a closer look at the weather specifics, you can check out Arezzo weather in December.

Compare Arezzo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Arezzo

As September unfolds in Arezzo, the weather showcases a delightful transition from the summer heat, with temperatures averaging a comfortable 18°C. This month stands out with the potential for warm days reaching 30°C, juxtaposed with the cooler nights that can dip to as low as 6°C. Unlike the sweltering summer, September brings an increase in precipitation, contributing to the lush, vibrant landscapes of Tuscany, although the humidity remains at a moderate 66%. It's a month where you can both savor the tail end of summer and embrace the refreshing onset of autumn, making it an ideal time to explore the region. For a deeper dive into the weather patterns throughout the year, check out Arezzo Climate.