September Weather in Grado, Italy

Last updated: March 24, 2025

In Grado, Italy, September offers a delightful transition from summer to autumn, with maximum temperatures soaring up to 30°C (86°F) and an average temperature of 21°C (70°F). Visitors can expect pleasant days accompanied by a minimum temperature dipping to 11°C (52°F) at night, showcasing a comfortable climate ideal for exploration. While the month sees precipitation totaling 183 mm (7.2 in) across 10 days, the humidity level of 64% adds a refreshing touch to the coastal atmosphere. Experience the charm of Grado as it welcomes the rich colors of fall with inviting weather perfect for both relaxation and outdoor activities.

September Temperature in Grado

In Grado, Italy, September marks a delightful transition towards autumn, with temperatures reflecting a blend of summer warmth and the crispness of the upcoming season. The average temperature hovers around 21°C (70°F), while daytime highs can reach a pleasant 30°C (86°F), making it a perfect time for outdoor exploration. Evenings start to cool significantly, with lows of 11°C (52°F) providing a refreshing contrast. This month strikes a harmonious balance, allowing visitors to enjoy warm days on the beach while relishing the cooler nights—ideal for savoring a glass of local wine under the stars. As summer gives way to autumn, September in Grado invites a unique charm, perfect for experiencing the region's rich culture and stunning landscapes.

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

The chart illustrates September temperature patterns in Grado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434548556373767769615446
Data source: Temperature data for Grado 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 Grado

September marks a significant shift in Grado, Italy, as precipitation levels soar to 183 mm (7.2 in), making it one of the wettest months of the year. This increase is particularly striking compared to the drier late summer months, like July and August, which recorded only 62 mm and 67 mm, respectively. With rainfall occurring on approximately 10 days, September's downpours signal the transition towards autumn, characterized by heightened moisture. This uptick in precipitation not only nourishes the lush landscapes but also sets the stage for the heavier rainfall seen in the following months, notably November, which brings an impressive 214 mm. As the seasons change, September serves as a reminder of the vibrant cycles of nature in this picturesque coastal region.

September Precipitation Trends in Grado

The chart displays monthly precipitation patterns in Grado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6212275111144916267183135214164
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grado

As summer transitions into autumn, September in Grado, Italy experiences a modest rise in humidity, reaching 64%. This marks a noticeable shift from the dry and pleasant summer months, where August recorded a low of 51%. While September’s humidity is still considerably lower than the dampness of mid-winter, with January and February peaking at 88% and 82%, it signals a return to the more humid conditions typical of the fall season. The gradual uptick in humidity reflects the changing climate as the region prepares for the wetter months ahead, with October's levels climbing back to 83%. This trend emphasizes the delightful balance Grado maintains between warm summer days and the refreshing coolness of autumn, inviting visitors to enjoy the charming transition.

September Average Humidity in Grado

This chart illustrates the average monthly humidity levels in Grado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grado

As summer transitions into autumn, September in Grado, Italy sees a notable shift in the UV Index, reflecting the changing seasons. With a UV Index of 7, categorized as high, sun exposure requires caution, with a burn time of 25 minutes for fair-skinned individuals. This dip from the peak summer values of 9 in July and June highlights a gradual decline in sun intensity, yet the necessity for protection remains. As you soak up the last rays of summer, it's a reminder to stay vigilant about UV exposure. For a detailed view of the UV Index throughout the year, check out Grado UV Index.

Maximum UV Index Levels in Grado for September

The chart shows the monthly maximum UV Index (UVI) for Grado 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Grado 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 Grado

September in Grado, Italy, is a delightful transition from the sun-drenched summer months to the gentle embrace of autumn. With an impressive 326 hours of sunshine, this month still radiates warmth, although it marks a noticeable dip from the peak of 430 hours in July. As the sun begins to set earlier and the vibrant summer energy wanes, September offers a perfect balance—enough sunshine to bask in while enjoying the fading warmth. The gradual decrease in daylight hours echoes the seasonal shift, yet the radiant days remind visitors of the lingerings of summer, making it an ideal time to explore Grado’s stunning coastline and charming architecture under the soft, golden light.

Monthly Sunshine Duration in Grado: September Highlighted

The September sunshine duration represents the total number of hours Grado 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h223h315h344h372h417h430h397h326h293h229h207h
Data source: Grado September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grado During September

As summer transitions into autumn, September in Grado, Italy boasts a relatively high likelihood of sunny weather, with a 57% chance of sunshine. This reflects a slight dip from the warmer days of August, which enjoys a peak of 58%, yet remains significantly better than the earlier months of the year. Notably, September's sun probability is higher than several months like June and July, suggesting that early autumn in Grado still holds on to the warmth and brightness of summer. This makes it an ideal time for visitors seeking pleasant weather before the cooler months set in, as they can relish in the beauty of the fading summer sunshine.

Percentage of Sunny Days in September in Grado

The chart illustrates the percentage of sunny days in Grado 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 Grado experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%42%63%44%40%54%50%58%57%49%37%38%
Data source: Grado September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grado in September

As summer fades into autumn, September in Grado, Italy, welcomes a gentle transition in daylight duration, offering approximately 12 hours of sunlight. This month marks a subtle shift from the long, sun-drenched days of July and August, which boast a maximum of 15 hours. A gradual decrease in daylight hours begins, signaling the approach of shorter days in the coming months. With September's soft golden light, visitors can still relish the extended daylight while enjoying the vibrant hues of early fall, bridging the warmth of summer with the crispness that characterizes October. This harmonious blend of light sets the perfect stage for outdoor adventures, leisurely strolls, and the enchanting charm of Grado.

Average Daylight Hours in Grado for September

The chart illustrates the variation in daylight duration in Grado throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 21m11h 56m13h 33m14h 56m15h 39m15h 16m14h 2m12h 29m10h 52m9h 27m8h 42m
Data source: Grado daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Grado

As summer transitions to autumn in Grado, Italy, the September winds maintain a gentle rhythm, averaging around 3.0 m/s (7 mph). This slight dip from August’s breezy 3.4 m/s conveys a tender farewell to the vibrant summer warmth. Interestingly, the wind often picks up speed as the months progress into fall, with October and November showcasing a noticeable increase, reaching 4.3 m/s (10 mph) and 4.8 m/s (11 mph) respectively. This seasonal shift signifies not only a change in wind speed but also heralds the upcoming cooler days, creating an inviting atmosphere for exploring the picturesque coastal charm of Grado.

Average September Wind Speed in Grado

The chart displays monthly wind speed patterns in Grado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.13.03.43.72.62.83.43.0 m/s4.34.82.9
Data source: Grado September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Grado Compares to Other Months

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

When comparing the weather in September and January, a stark contrast emerges. September enjoys a mild average temperature of 21°C (70°F), with daytime highs reaching up to 30°C (86°F), making it a warm month with a rainfall of 183 mm over about 10 days. In contrast, January experiences much cooler conditions, with average temperatures dropping to 6°C (43°F) and maximums of only 13°C (56°F). Precipitation in January is significantly lower at 61 mm over 7 days, but the humidity rises to 88%, adding to the chill in the air. For more detailed insights about the weather in January, you can visit Grado weather in January.

September and February present strikingly different weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (86°F) during the day, with an average of 21°C (70°F). The month sees around 183 mm (7.2 in) of rainfall over approximately 10 days, with a humidity level of 64%. In contrast, February experiences much colder temperatures, with lows dipping to -4°C (26°F) and highs capping at 16°C (62°F), resulting in an average of just 7°C (46°F). Although February has lower precipitation at 122 mm (4.8 in), the higher humidity level of 82% can make it feel even colder. For more information on February weather specifics, visit Grado weather in February.

When comparing the weather in September and March, there is a noticeable contrast in temperatures and precipitation. September boasts a much warmer climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), while March is significantly cooler, with temperatures dipping as low as -4°C (25°F) and peaking at 19°C (67°F). Additionally, September experiences higher precipitation levels at 183 mm (7.2 in) over 10 days, compared to March's 75 mm (2.9 in) over 8 days. The humidity is also slightly higher in March at 73%, compared to September's 64%. For more details, you can check Grado weather in March.

When comparing the weather in September and April, September generally offers warmer temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), peaking at a maximum of 30°C (86°F). In contrast, April is cooler, with temperatures ranging from a minimum of 4°C (39°F) to an average of 13°C (56°F) and a maximum of 22°C (73°F). Additionally, September experiences higher precipitation levels, with 183 mm (7.2 in) over about 10 days, compared to April's 111 mm (4.4 in) over 9 days. Notably, September has a lower humidity level of 64%, while April's humidity is slightly higher at 73%. For more details on April weather, check out Grado weather in April.

In comparing the weather of September and May, September tends to be warmer with an average temperature of 21°C (70°F) and a maximum of 30°C (86°F), while May has a cooler average of 17°C (63°F) and a maximum of 25°C (78°F). September also experiences more rainfall, accumulating 183 mm (7.2 in) over approximately 10 days, compared to May's 144 mm (5.7 in) spread across 16 days. Additionally, humidity levels are slightly lower in September at 64%, while May sees a higher humidity of 70%. For more detailed climate insights, you can check Grado weather in May.

September and June showcase contrasting weather patterns, with September generally featuring cooler temperatures and more precipitation. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), while June offers slightly warmer conditions, with temperatures ranging from 14°C (57°F) to 32°C (89°F). Additionally, September experiences significant rainfall, with 183 mm (7.2 in) over approximately 10 days, compared to June's 91 mm (3.6 in) of rain over 7 days. Humidity levels are also similar, with September at 64% and June slightly higher at 69%. For more details on weather patterns in June, check out Grado weather in June.

When comparing the weather in September and July, September tends to be cooler, with temperatures ranging from a minimum of 11°C (52°F) to an average of 21°C (70°F), while July offers warmer conditions with a minimum of 18°C (65°F) and an average of 24°C (76°F). Both months can peak at around 30°C (86-87°F), but September experiences significantly higher precipitation, totaling 183 mm (7.2 in) over about 10 days, compared to July’s 62 mm (2.5 in) over 8 days. Humidity levels are similar, with September at 64% and July slightly lower at 63%. For more detailed information on July weather, visit Grado weather in July.

September generally experiences cooler temperatures compared to August, with September's average temperature being 21°C (70°F) compared to August's 25°C (78°F). The minimum temperatures in September drop to 11°C (52°F), making it noticeably cooler at night compared to August's 15°C (60°F). Additionally, September is significantly wetter, receiving 183 mm (7.2 in) of precipitation over approximately 10 days, while August sees only 67 mm (2.6 in) of rain over 6 days. The humidity levels also rise in September to 64%, compared to August's more comfortable 51%. For a more detailed look at the weather specifics, you can check out Grado weather in August.

In September, the weather is typically warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F) and an average of 21°C (70°F). During this month, the region experiences significant rainfall, totaling 183 mm (7.2 in) over about 10 days, and the humidity level averages around 64%. In contrast, October sees cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 22°C (73°F), resulting in an average temperature of just 16°C (62°F). Precipitation decreases to 135 mm (5.3 in) again over 10 days, but humidity rises to a higher average of 83%. For more detailed information, you can check out Grado weather in October.

September typically offers warmer temperatures, with a minimum of 11°C (52°F) and an average high of 30°C (86°F), making it a pleasant month for outdoor activities. In contrast, November brings much cooler weather, featuring a minimum temperature of 4°C (39°F) and an average high of only 19°C (67°F). Additionally, November experiences more frequent precipitation, with 214 mm (8.4 in) over 13 days, compared to September's 183 mm (7.2 in) over 10 days, resulting in higher humidity levels of 89%. For more detailed insights, you can check Grado weather in November.

September and December present distinctly different weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), allowing for warm days with an average of 21°C (70°F). However, this month also sees considerable rainfall, with 183 mm (7.2 in) of precipitation over about 10 days, accompanied by a humidity level of 64%.

In contrast, December is much cooler, with temperatures dropping to a minimum of 2°C (36°F) and an average of only 8°C (47°F), peaking at 15°C (60°F). Although precipitation is slightly lower at 164 mm (6.5 in), it is spread across more days, totaling 13, and the humidity rises to a notable 88%. For more detailed insights into the weather for this month, check out Grado weather in December.

Compare Grado's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Grado

As summer transitions into autumn, September in Grado showcases a delightful blend of warmth and mildness. With average temperatures hovering around a comfortable 21°C (70°F), the month offers a welcome reprieve from the peak heat of summer. However, the occasional rain, manifesting in about 10 days and accumulating around 183 mm (7.2 in), adds a refreshing touch to the landscape. The 64% humidity fosters a pleasant atmosphere, making outdoor activities enjoyable. Unlike the intense summer months, September invites visitors to relish in the softer sunlight and vibrant autumn hues. For a deeper understanding of Grado's weather patterns, explore this link: Grado Climate.