September Weather in Castel del Piano, Italy

Last updated: August 23, 2025

In September, the average temperature in Castel del Piano, Italy hovers around 21°C (69°F). Expect a minimum of 7°C (46°F) and a maximum of 31°C (88°F) to keep you on your toes. Be prepared for 68 mm (2.7 in) of rain over 10 days, accompanied by an average humidity of 66%.

September Temperature in Castel del Piano

In September, in Castel del Piano, the average temperature is 21°C (69°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop as low as 7°C (46°F). This makes it an ideal time for travelers to enjoy mild weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Castel del Piano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel del Piano, September typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Castel del Piano

In Castel del Piano in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

September Precipitation Trends in Castel del Piano

The chart displays monthly precipitation patterns in Castel del 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 Castel del Piano, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 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 Castel del Piano

In Castel del Piano in September humidity is 66%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it a bit sticky, but still comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Castel del Piano

This chart illustrates the average monthly humidity levels in Castel del 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 Castel del Piano is approximately 66%, 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 Castel del Piano

In Castel del Piano in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Castel del Piano.

Maximum UV Index Levels in Castel del Piano for September

The chart shows the monthly maximum UV Index (UVI) for Castel del 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 Castel del Piano typically reaches 7, which falls under the high exposure category.

Data source: Castel del 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 Castel del Piano Compares to Other Months

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

This table compares monthly weather conditions in Castel del Piano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	42 mm (1.7 inches)	84%	low
February Weather	8°C (46°F)	62 mm (2.4 inches)	76%	moderate
March Weather	9°C (49°F)	61 mm (2.4 inches)	68%	high
April Weather	13°C (55°F)	73 mm (2.9 inches)	70%	high
May Weather	17°C (63°F)	90 mm (3.5 inches)	69%	very high
June Weather	22°C (72°F)	32 mm (1.3 inches)	62%	very high
July Weather	25°C (77°F)	28 mm (1.1 inches)	57%	very high
August Weather	25°C (78°F)	33 mm (1.3 inches)	55%	very high
September Weather	21°C (69°F)	68 mm (2.7 inches)	66%	high
October Weather	15°C (60°F)	85 mm (3.3 inches)	79%	moderate
November Weather	11°C (52°F)	143 mm (5.6 inches)	84%	moderate
December Weather	7°C (45°F)	95 mm (3.7 inches)	83%	low