September Weather in Griante, Italy

Last updated: March 24, 2025

In Griante, Italy, September showcases a delightful transition from summer to autumn, with maximum temperatures reaching a pleasant 25°C (78°F) and an average of 16°C (61°F). However, the month can bring cooler evenings, dipping down to a minimum of 4°C (39°F). With 161 mm (6.3 in) of rain spread across 14 days, September sees ample precipitation, contributing to the rich, lush surroundings typical of this charming lakeside town. The humidity level hovers around 74%, adding a refreshing feel to the crisp air, making it a perfect time for visitors to enjoy Griante's stunning landscapes and serene vibes.

September Temperature in Griante

As September graces Griante, Italy, the landscape begins to transition into the gentle embrace of autumn, bringing with it a notable shift in temperatures. The month opens with a minimum of 4°C (39°F), providing a crisp start that signals the fading warmth of summer. With an average temperature of 16°C (61°F) and a comfortable maximum of 25°C (78°F), days are still pleasantly warm, perfect for enjoying the breathtaking views of Lake Como. This transitional phase showcases a drop from the summer highs, yet remains inviting for outdoor activities, as the natural beauty of the area is accentuated by the changing foliage. As September progresses, visitors can relish in the blend of summer's warmth and autumn's coolness, making it an ideal time to explore everything Griante has to offer.

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

The chart illustrates September temperature patterns in Griante, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343843505665686861534436
Data source: Temperature data for Griante 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 Griante

In September, Griante experiences a notable transition as precipitation levels dip to 161 mm (6.3 in), a decrease from the previous month’s peak but still significant for this time of year. Over the course of 14 days, rain graces this picturesque town, marking a shift towards the more tempered climate of autumn. This month typically balances the lingering summer warmth with the onset of cooler, wetter days, as evidenced by the higher rainfall compared to the winter months ahead. With September standing out as a month of both abundance and transformation, the rhythm of sporadic showers invites a reflective ambiance, setting the stage for the seasonal changes to come.

September Precipitation Trends in Griante

The chart displays monthly precipitation patterns in Griante, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4852105162202219187222161223177108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Griante

As summer fades into autumn, September in Griante, Italy, showcases a noticeable shift in humidity levels. With an average humidity of 74%, September marks a slight increase from the drier months of July (67%) and August (64%). This transitional month hints at the impending autumnal embrace, as the air becomes more saturated, preparing for October's return to the higher humidity levels of 87%. Such fluctuations reflect Griante's climate, where humidity gradually rises after the peak summer heat, offering a comfortable balance as the seasons change.

September Average Humidity in Griante

This chart illustrates the average monthly humidity levels in Griante, 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%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Griante

As September arrives in Griante, Italy, sun-seekers can expect a UV Index of 7, indicating a high exposure category. This is a slight decrease from the very high levels experienced in the peak summer months of June, July, and August, which consistently reached a UV Index of 9. With a burn time of 25 minutes, it’s crucial to adopt sun protection strategies to enjoy the pleasant early autumn weather safely. As the season transitions, both residents and visitors should remain vigilant, as the UV Index will continue to drop in the coming months. For more detailed information on the UV Index throughout the year, check out Griante UV Index.

Maximum UV Index Levels in Griante for September

The chart shows the monthly maximum UV Index (UVI) for Griante 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.
JanFebMarAprMayJunJulAugSepOctNovDec236689997532
Data source: Griante 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 Griante

In Griante, Italy, September offers a delightful blend of warmth and sunshine, continuing the summer's glow with an impressive 326 hours of sunshine. While the sunny days peak in July with 422 hours, September still stands strong as the transition to autumn begins, trailing behind the vibrant months of June and August. As the days grow shorter, the sunlight gently shifts, paving the way for a cozier atmosphere and making Griante an enchanting retreat for those wishing to soak in the last rays of summer. This gradual decline in sunshine from summer’s apex to early fall creates a perfect backdrop for exploring the stunning landscapes and charming streets of this picturesque town.

Monthly Sunshine Duration in Griante: September Highlighted

The September sunshine duration represents the total number of hours Griante 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h236h311h338h379h403h422h381h326h285h207h209h
Data source: Griante September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Griante During September

In Griante, Italy, September brings a modest 37% chance of sunshine, marking a slight dip compared to the brighter summer months. While the peak of sunshine typically occurs in August, with a notable 53% likelihood, September transitions into autumn, resulting in a less predictable weather pattern. Interestingly, this month experiences a notable drop in sunny days compared to the springtime highs of 62% in March. As the year progresses, the chances of sunny weather fluctuate, highlighting the region's diverse climate throughout the seasons. Despite the reduced sunlight in September, visitors can still enjoy the beauty of Griante as it shifts into a new season, offering a unique charm with its stunning landscapes.

Percentage of Sunny Days in September in Griante

The chart illustrates the percentage of sunny days in Griante 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 Griante experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%42%62%43%42%40%44%53%37%42%41%49%
Data source: Griante September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Griante in September

In September, Griante, Italy, enjoys a gentle transition from the long, sun-soaked days of summer toward the shorter daylight hours of autumn. With around 12 hours of daylight, this month marks a delightful shift, as the sun begins to set earlier than the peak summer months of June and July, which bask in 15 hours of light. While August still holds on to some summer warmth with 14 hours, September introduces a subtle crispness to the air, inviting locals and visitors alike to relish the beauty of the changing landscape. As daylight gradually dims, the enchanting reflections on Lake Como during this time become even more captivating, making September a perfect blend of warmth and the forthcoming coolness of fall.

Average Daylight Hours in Griante for September

The chart illustrates the variation in daylight duration in Griante 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 57m15h 39m15h 17m14h 3m12h 29m10h 52m9h 27m8h 42m
Data source: Griante daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Griante

As summer gently fades into autumn, September winds in Griante, Italy become notably calmer, with an average speed of just 1.1 m/s (2 mph). This tranquil breeze, the lightest of the year, reflects a broader trend of decreasing wind speeds as the seasons shift. Following the moderate gusts of the preceding summer months, September brings a serene atmosphere, perfect for leisurely lakeside strolls and soaking in the breathtaking scenery of Lake Como. With wind speeds gradually picking up again in October, this transitional month offers a unique blend of stillness and impending change, inviting visitors to embrace the quiet charm of an Italian autumn.

Average September Wind Speed in Griante

The chart displays monthly wind speed patterns in Griante, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.21.41.41.41.21.41.21.1 m/s1.21.41.7
Data source: Griante September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Griante Compares to Other Months

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

In September, the weather is notably milder with average temperatures around 16°C (61°F) and highs reaching up to 25°C (78°F), creating a pleasant atmosphere for outdoor activities. The month also experiences significant rainfall, totaling 161 mm (6.3 in) over 14 days, with a humidity level of 74%. In contrast, January brings a chillier environment, with average temperatures dropping to just 1°C (35°F) and lows plunging to -11°C (12°F). Precipitation is much lighter, at 48 mm (1.9 in), over only 7 days, and the humidity rises to 88%, contributing to a much colder and crisper feel. For more specific information on January's climate, you can check Griante weather in January.

September typically offers a mild climate with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), resulting in comfortable conditions for outdoor activities. However, it also sees considerable rainfall, averaging 161 mm (6.3 inches) over about 14 days, coupled with a humidity level of 74%. In contrast, February is much colder, with average temperatures hovering around 3°C (39°F), dipping as low as -12°C (10°F) at night, and peaking at 18°C (65°F) during the day. This month experiences significantly less precipitation, totaling 52 mm (2.0 inches) over 8 days, yet has a slightly higher humidity of 81%. For a more detailed look at February weather, you can visit Griante weather in February.

September and March present quite contrasting weather patterns. September experiences milder temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), peaking at a comfortable 25°C (78°F). In contrast, March starts off colder, with temperatures dipping to a minimum of -8°C (17°F) and averaging around 6°C (43°F), though it can reach a maximum of 20°C (68°F). Precipitation is more frequent in September, totaling 161 mm (6.3 in) over 14 days, compared to March's 105 mm (4.1 in) over just 11 days. Humidity levels are relatively similar, sitting at 74% in September and slightly higher at 76% in March. For more details on the specific conditions during March, you can check the following link: Griante weather in March.

September and April present distinct weather characteristics despite their similarities in precipitation levels. September typically enjoys warmer temperatures, ranging from a minimum of 4°C (39°F) to an average of 16°C (61°F) and peaking at a comfortable 25°C (78°F). In contrast, April starts cooler, with temperatures dropping as low as -2°C (28°F) and averaging around 10°C (50°F), while still reaching a maximum of 23°C (74°F) on warmer days. Both months experience considerable rainfall, with September receiving 161 mm (6.3 in) across 14 days and April slightly more at 162 mm (6.4 in) over 13 days. Humidity levels are also similar, with September at 74% and April slightly higher at 77%. For more details about the weather during this time, check Griante weather in April.

When comparing the weather in September and May, we see some notable differences despite similar humidity levels of 74%. September typically enjoys a wider temperature range with minimums around 4°C (39°F) and maximums reaching 25°C (78°F), averaging 16°C (61°F). In contrast, May has slightly cooler minimum temperatures of 1°C (33°F) and similar maximums of 26°C (80°F), with an average of 14°C (57°F). Precipitation is higher in May, totaling 202 mm (8.0 in) over 19 days, compared to September's 161 mm (6.3 in) over 14 days. This results in May being a wetter month, while September offers a bit more warmth. For a closer look at May weather specifics, check Griante weather in May.

In comparing the weather in September and June, September generally offers cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), while June features milder conditions, boasting a minimum of 8°C (46°F) and an average of 18°C (65°F). The maximum temperature in June can reach up to 33°C (92°F), significantly higher than September's peak of 25°C (78°F). Both months experience notable precipitation, with June receiving 219 mm (8.6 in) across 17 days and September seeing 161 mm (6.3 in) over 14 days. Humidity levels are slightly higher in September at 74%, compared to June's 71%. For more detailed insights about June weather, you can refer to Griante weather in June.

In comparing the weather of September to that of July, several notable differences emerge. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), peaking at 25°C (78°F). In contrast, July boasts warmer conditions, featuring a minimum of 10°C (50°F), an average of 20°C (68°F), and a maximum of 30°C (86°F). Additionally, September tends to be wetter, receiving 161 mm (6.3 in) of precipitation over 14 days, compared to July's 187 mm (7.4 in) across 17 days. Humidity levels also vary, with September’s average at 74%, slightly higher than July's 67%. For more detailed insights, you can explore Griante weather in July.

In comparing the weather of September to August, September experiences a notable shift with lower temperatures, as the minimum drops from 10°C (50°F) in August to 4°C (39°F), while the maximum temperature also decreases from 30°C (86°F) to 25°C (78°F). Average temperatures are cooler in September at 16°C (61°F), compared to August’s average of 20°C (68°F). Additionally, September has higher precipitation at 161 mm (6.3 in) over 14 days, although it is less than the 222 mm (8.7 in) recorded in August over 17 days. Humidity levels rise in September to 74% from August's 64%, leading to a more humid and overcast feel as the month progresses. For more detailed insights on August weather, check Griante weather in August.

September and October present notable shifts in weather conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), with an average of 16°C (61°F). The month sees significant rainfall, totaling 161 mm (6.3 in) over 14 days, and humidity levels hover around 74%. In contrast, October experiences a drop in average temperature to 11°C (53°F) with minimums reaching 1°C (35°F) and maximums of 23°C (73°F). This month also brings increased precipitation, totaling 223 mm (8.8 in) over 11 days, coupled with higher humidity at 87%. For a detailed look at weather conditions specific to October, visit Griante weather in October.

In September, temperatures range from a pleasant 4°C (39°F) at night to a warm 25°C (78°F) during the day, with an average of 16°C (61°F). The month sees considerable rainfall, totaling 161 mm (6.3 in) over 14 days, while humidity levels hover around 74%.

In contrast, November experiences much cooler weather, with minimum temperatures dropping to -3°C (27°F) and a maximum reaching just 16°C (61°F), resulting in a significantly lower average of 7°C (44°F). This month is slightly wetter, with 177 mm (7.0 in) of precipitation over 13 days, and the humidity increases to 88%.

For a detailed look at November weather, you can visit Griante weather in November.

September and December exhibit stark contrasts in weather, reflecting the shift from late summer to winter. In September, temperatures range from a mild 4°C (39°F) at night to a warm 25°C (78°F) during the day, averaging around 16°C (61°F). This month also sees significant rainfall, with about 161 mm (6.3 in) spread over 14 days and a humidity level of 74%. In contrast, December brings colder conditions, with nighttime temperatures plunging to -9°C (17°F) and daytime highs peaking at 13°C (55°F), averaging just 2°C (37°F). Although it experiences less precipitation at 108 mm (4.2 in) over 9 days, December's humidity is higher, at 85%. For more details on the weather in this month, please visit Griante weather in December.

Compare Griante's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Griante

As September unfolds in Griante, the weather begins to shift, offering a refreshing transition from the hot summer days. With a comfortable average temperature around 16°C, this month is marked by cooler evenings and occasional rain, accumulating to 161 mm of precipitation over approximately 14 days. Unlike the scorching summer months, the increased humidity at 74% adds a gentle crispness to the air, making it a perfect time for outdoor explorations. While the days can still reach up to 25°C, the nights dip to a chilly 4°C, signaling the arrival of autumn. For more detailed insights into the seasonal variations, visit Griante Climate.