September Weather in Santo, Italy

Last updated: August 23, 2025

In September, the average temperature in Santo, Italy hovers around 17°C (62°F), with a minimum of 6°C (42°F) and a maximum reaching 26°C (80°F). Expect 153 mm (6.0 in) of precipitation spread across 15 days, contributing to an average humidity of 66%. Stay prepared for a mix of mild temperatures and occasional rainfall!

September Temperature in Santo

In September in Santo, the average temperature is 17°C (62°F). Maximum temperatures can reach 26°C (80°F), while the minimum can drop as low as 6°C (42°F). It's a great time to explore Santo, so be sure to pack layers to accommodate the varying temperatures!

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

The chart illustrates September temperature patterns in Santo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo, September typically has an average temperature of 17°C (62°F), with highs reaching up to 26°C (80°F) and lows dropping to around 6°C (42°F).

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

September Precipitation in Santo

In Santo in September, the precipitation amount is 153 mm (6.0 in) over the course of 15 days.

September Precipitation Trends in Santo

The chart displays monthly precipitation patterns in Santo, 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 Santo, September typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 15 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 Santo

In Santo in September, humidity is 66%. With an average temperature of 17°C (62°F), this humidity feels like a mild embrace, making it comfortable for exploring, yet slightly sticky, urging travelers to stay hydrated while enjoying the sights.

September Average Humidity in Santo

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

In Santo 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 Santo.

Maximum UV Index Levels in Santo for September

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

Data source: Santo 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 Santo Compares to Other Months

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

This table compares monthly weather conditions in Santo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	41 mm (1.6 inches)	87%	low
February Weather	4°C (39°F)	64 mm (2.5 inches)	79%	moderate
March Weather	6°C (44°F)	88 mm (3.5 inches)	69%	moderate
April Weather	10°C (51°F)	161 mm (6.3 inches)	71%	high
May Weather	14°C (58°F)	219 mm (8.6 inches)	70%	very high
June Weather	19°C (67°F)	167 mm (6.6 inches)	65%	very high
July Weather	21°C (69°F)	186 mm (7.3 inches)	61%	very high
August Weather	21°C (70°F)	169 mm (6.7 inches)	54%	very high
September Weather	17°C (62°F)	153 mm (6.0 inches)	66%	high
October Weather	12°C (54°F)	140 mm (5.5 inches)	83%	moderate
November Weather	7°C (45°F)	189 mm (7.4 inches)	88%	moderate
December Weather	2°C (37°F)	122 mm (4.8 inches)	85%	low