September Weather in Casalvieri, Italy

Last updated: August 23, 2025

In September, the average temperature in Casalvieri, Italy is a comfortable 17°C (62°F). Expect minimum temperatures to dip to 3°C (38°F), while daytime highs can reach up to 28°C (83°F). During this month, precipitation averages 89 mm (3.5 in) over approximately 11 days, contributing to an average humidity level of 65%.

September Temperature in Casalvieri

In September in Casalvieri, the average temperature is 17°C (62°F). Maximums can reach 28°C (83°F) and minimums can be as low as 3°C (38°F). It's a great time for travelers to enjoy mild weather while exploring the vibrant surroundings.

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

The chart illustrates September temperature patterns in Casalvieri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casalvieri, September typically has an average temperature of 17°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Casalvieri

In Casalvieri in September, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

September Precipitation Trends in Casalvieri

The chart displays monthly precipitation patterns in Casalvieri, 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 Casalvieri, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Casalvieri

In Casalvieri in September, humidity is 65%. With an average temperature of 17°C (62°F), this humidity feels like a gentle wrap of warmth around you, making it a comfortable time for exploring outdoor sights, yet you might want to carry a light jacket and stay hydrated while roaming the streets.

September Average Humidity in Casalvieri

This chart illustrates the average monthly humidity levels in Casalvieri, 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 Casalvieri 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 Casalvieri

In Casalvieri 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 Casalvieri.

Maximum UV Index Levels in Casalvieri for September

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

Data source: Casalvieri 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 Casalvieri Compares to Other Months

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

This table compares monthly weather conditions in Casalvieri, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	85 mm (3.3 inches)	84%	moderate
February Weather	5°C (40°F)	110 mm (4.3 inches)	76%	moderate
March Weather	6°C (43°F)	102 mm (4.0 inches)	69%	high
April Weather	9°C (49°F)	97 mm (3.8 inches)	70%	very high
May Weather	13°C (56°F)	112 mm (4.4 inches)	70%	very high
June Weather	18°C (65°F)	68 mm (2.7 inches)	61%	very high
July Weather	21°C (70°F)	50 mm (2.0 inches)	57%	very high
August Weather	22°C (71°F)	50 mm (2.0 inches)	53%	very high
September Weather	17°C (62°F)	89 mm (3.5 inches)	65%	very high
October Weather	12°C (54°F)	111 mm (4.4 inches)	75%	high
November Weather	8°C (47°F)	212 mm (8.3 inches)	81%	moderate
December Weather	4°C (39°F)	180 mm (7.1 inches)	84%	low