September Weather in Castelnuovo di Val di Cecina, Italy

Last updated: August 23, 2025

In September, the average temperature in Castelnuovo di Val di Cecina, Italy hovers around 20°C (69°F), offering a comfortable climate. Expect a minimum of 8°C (46°F) and a maximum of 32°C (89°F), making it a month of delightful variances. Prepare for some rain, as the area sees 89 mm (3.5 in) of precipitation over approximately 10 days. With an average humidity of 66%, the air is pleasantly refreshing, suitable for outdoor adventures or leisurely strolls.

September Temperature in Castelnuovo di Val di Cecina

In September in Castelnuovo di Val di Cecina, the average temperature is 20°C (69°F). Maximums can reach 32°C (89°F), and minimums can be as low as 8°C (46°F). This pleasant climate makes it an ideal time for travel and outdoor activities.

September Weather in Castelnuovo di Val di Cecina: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castelnuovo di Val di Cecina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnuovo di Val di Cecina, September typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (89°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Castelnuovo di Val di Cecina generated using information from the Copernicus Climate Change Service.

September Precipitation in Castelnuovo di Val di Cecina

In Castelnuovo di Val di Cecina in September, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

September Precipitation Trends in Castelnuovo di Val di Cecina

The chart displays monthly precipitation patterns in Castelnuovo di Val di Cecina, 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 Castelnuovo di Val di Cecina, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 10 days.

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

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September Humidity in Castelnuovo di Val di Cecina

In Castelnuovo di Val di Cecina in September humidity is 66%. With an average temperature of 20°C (69°F), this humidity feels like a gentle enveloping warmth, making it comfortable for traveling but with a slight stickiness that may encourage you to seek shade or refreshments frequently.

September Average Humidity in Castelnuovo di Val di Cecina

This chart illustrates the average monthly humidity levels in Castelnuovo di Val di Cecina, 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 Castelnuovo di Val di Cecina 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 Castelnuovo di Val di Cecina

In Castelnuovo di Val di Cecina 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 Castelnuovo di Val di Cecina.

Maximum UV Index Levels in Castelnuovo di Val di Cecina for September

The chart shows the monthly maximum UV Index (UVI) for Castelnuovo di Val di Cecina 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 Castelnuovo di Val di Cecina typically reaches 7, which falls under the high exposure category.

Data source: Castelnuovo di Val di Cecina 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 Castelnuovo di Val di Cecina Compares to Other Months

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

This table compares monthly weather conditions in Castelnuovo di Val di Cecina, 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 (43°F)	48 mm (1.9 inches)	84%	low
February Weather	8°C (46°F)	69 mm (2.7 inches)	76%	moderate
March Weather	9°C (49°F)	61 mm (2.4 inches)	68%	moderate
April Weather	13°C (55°F)	86 mm (3.4 inches)	70%	high
May Weather	17°C (62°F)	93 mm (3.7 inches)	69%	very high
June Weather	21°C (71°F)	41 mm (1.6 inches)	62%	very high
July Weather	24°C (75°F)	36 mm (1.4 inches)	57%	very high
August Weather	25°C (77°F)	33 mm (1.3 inches)	55%	very high
September Weather	20°C (69°F)	89 mm (3.5 inches)	66%	high
October Weather	15°C (60°F)	88 mm (3.5 inches)	79%	moderate
November Weather	11°C (52°F)	147 mm (5.8 inches)	84%	moderate
December Weather	7°C (45°F)	108 mm (4.2 inches)	83%	low