September Weather in Calci, Italy

Last updated: August 23, 2025

In September, the average temperature in Calci, Italy hovers around 21°C (70°F). Expect fluctuations, with minimums dipping to 7°C (44°F) and maximums soaring to 32°C (91°F). Be prepared for some rainy days, as 97 mm (3.8 in) of precipitation falls over 10 days, contributing to an average humidity of 66%.

September Temperature in Calci

In September in Calci, the average temperature is 21°C (70°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 7°C (44°F). This pleasant range makes Calci an ideal destination for travelers seeking comfortable weather during their trip.

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

The chart illustrates September temperature patterns in Calci, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calci, September typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (91°F) and lows dropping to around 7°C (44°F).

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

September Precipitation in Calci

In Calci in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Calci

The chart displays monthly precipitation patterns in Calci, 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 Calci, September typically receives around 97 mm (3.8 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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Millimeters (mm) Inches (in)

September Humidity in Calci

In Calci in September humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

September Average Humidity in Calci

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

In Calci 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 Calci.

Maximum UV Index Levels in Calci for September

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

Data source: Calci 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 Calci Compares to Other Months

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

This table compares monthly weather conditions in Calci, 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)	70 mm (2.8 inches)	84%	low
February Weather	8°C (47°F)	96 mm (3.8 inches)	76%	moderate
March Weather	10°C (50°F)	82 mm (3.2 inches)	68%	high
April Weather	13°C (56°F)	104 mm (4.1 inches)	70%	high
May Weather	17°C (63°F)	104 mm (4.1 inches)	69%	very high
June Weather	22°C (72°F)	49 mm (1.9 inches)	62%	very high
July Weather	24°C (76°F)	35 mm (1.4 inches)	57%	very high
August Weather	25°C (77°F)	32 mm (1.2 inches)	55%	very high
September Weather	21°C (70°F)	97 mm (3.8 inches)	66%	high
October Weather	16°C (61°F)	116 mm (4.6 inches)	79%	moderate
November Weather	11°C (53°F)	153 mm (6.0 inches)	84%	moderate
December Weather	7°C (46°F)	173 mm (6.8 inches)	83%	low