September Weather in Piano, Italy

Last updated: August 23, 2025

In September, the average temperature in Piano, Italy hovers around 21°C (71°F). Expect a minimum of 12°C (54°F) and a comfortable maximum of 29°C (85°F). Be prepared for 106 mm (4.2 in) of precipitation over 11 days, and enjoy the pleasant 65% humidity that adds to the overall charm of the season.

September Temperature in Piano

In September in Piano, the average temperature is 21°C (71°F). Maximums can reach 29°C (85°F), and minimums can be as low as 12°C (54°F). This pleasant climate makes Piano an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Piano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piano, September typically has an average temperature of 21°C (71°F), with highs reaching up to 29°C (85°F) and lows dropping to around 12°C (54°F).

Data source: Temperature data for Piano generated using information from the Copernicus Climate Change Service.

September Precipitation in Piano

In Piano in September, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

September Precipitation Trends in Piano

The chart displays monthly precipitation patterns in Piano, 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. In Piano, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Piano

In Piano in September humidity is 65%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket, making outdoor activities pleasant yet requiring occasional breaks in the shade to stay comfortable while exploring.

September Average Humidity in Piano

This chart illustrates the average monthly humidity levels in Piano, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Piano is approximately 65%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Piano

In Piano in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Piano.

Maximum UV Index Levels in Piano for September

The chart shows the monthly maximum UV Index (UVI) for Piano 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. In September, the maximum UV index in Piano typically reaches 8, which falls under the very high exposure category.

Data source: Piano 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.

How September Weather in Piano Compares to Other Months

Weather in Piano varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Piano, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Piano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	136 mm (5.3 inches)	84%	moderate
February Weather	9°C (49°F)	153 mm (6.0 inches)	76%	moderate
March Weather	10°C (50°F)	127 mm (5.0 inches)	69%	high
April Weather	13°C (56°F)	68 mm (2.7 inches)	70%	very high
May Weather	17°C (62°F)	85 mm (3.3 inches)	70%	very high
June Weather	21°C (71°F)	30 mm (1.2 inches)	61%	very high
July Weather	24°C (76°F)	21 mm (0.8 inches)	57%	very high
August Weather	25°C (77°F)	28 mm (1.1 inches)	53%	very high
September Weather	21°C (71°F)	106 mm (4.2 inches)	65%	very high
October Weather	17°C (63°F)	116 mm (4.6 inches)	75%	high
November Weather	14°C (57°F)	278 mm (10.9 inches)	81%	moderate
December Weather	10°C (50°F)	245 mm (9.6 inches)	84%	low