September Weather in Inverno, Italy

Last updated: August 23, 2025

In September, the average temperature in Inverno, Italy hovers around 21°C (69°F). However, you can expect a minimum of 7°C (46°F) and a maximum soaring up to 33°C (92°F). Be prepared for some showers, with a total precipitation of 114 mm (4.5 in) over 9 days. The air tends to feel quite humid, with an average humidity level of 74%.

September Temperature in Inverno

In September in Inverno, the average temperature is 21°C (69°F). Maximums can reach 33°C (92°F), while minimums can be as low as 7°C (46°F). This makes Inverno a great destination for travelers seeking pleasant weather with a mix of warm and cooler days.

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

The chart illustrates September temperature patterns in Inverno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Inverno, September typically has an average temperature of 21°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Inverno

In Inverno in September, the precipitation amount is 114 mm (4.5 in) over the course of 9 days.

September Precipitation Trends in Inverno

The chart displays monthly precipitation patterns in Inverno, 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 Inverno, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 9 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 Inverno

In Inverno in September, humidity is 74%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that clings to your skin, making every excursion feel slightly more intense and requiring a bit more effort with every step.

September Average Humidity in Inverno

This chart illustrates the average monthly humidity levels in Inverno, 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 Inverno is approximately 74%, 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 Inverno

In Inverno in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Inverno, you can refer to this Hourly UV Index in Inverno.

Maximum UV Index Levels in Inverno for September

The chart shows the monthly maximum UV Index (UVI) for Inverno 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 Inverno typically reaches 6, which falls under the high exposure category.

Data source: Inverno 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 Inverno Compares to Other Months

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

This table compares monthly weather conditions in Inverno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	30 mm (1.2 inches)	88%	low
February Weather	7°C (45°F)	50 mm (2.0 inches)	81%	moderate
March Weather	10°C (50°F)	60 mm (2.4 inches)	76%	moderate
April Weather	14°C (58°F)	71 mm (2.8 inches)	77%	high
May Weather	19°C (66°F)	111 mm (4.4 inches)	74%	very high
June Weather	24°C (76°F)	90 mm (3.6 inches)	71%	very high
July Weather	26°C (78°F)	103 mm (4.1 inches)	67%	very high
August Weather	26°C (79°F)	83 mm (3.3 inches)	64%	very high
September Weather	21°C (69°F)	114 mm (4.5 inches)	74%	high
October Weather	15°C (60°F)	82 mm (3.2 inches)	87%	moderate
November Weather	10°C (50°F)	133 mm (5.2 inches)	88%	moderate
December Weather	5°C (40°F)	88 mm (3.5 inches)	85%	low