September Weather in Vercelli, Italy

Last updated: August 23, 2025

In Vercelli, Italy, the average temperature in September hovers around 20°C (69°F), offering a pleasant climate for exploration. Expect temperatures to range from a cool 7°C (45°F) to a warm 31°C (88°F). With an average precipitation of 87 mm (3.4 in) over 10 days and an average humidity of 74%, you might want to carry an umbrella, just in case! Enjoy the dynamic weather as you experience all that this beautiful destination has to offer.

September Temperature in Vercelli

In September in Vercelli, the average temperature is 20°C (69°F), with maximums reaching up to 31°C (88°F) and minimums dipping as low as 7°C (45°F). This moderate climate makes Vercelli an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates September temperature patterns in Vercelli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vercelli, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Vercelli

In Vercelli in September, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Vercelli

The chart displays monthly precipitation patterns in Vercelli, 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 Vercelli, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Vercelli

In Vercelli in September, humidity is 74%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and requiring frequent breaks for hydration, but with the right pacing, you can still enjoy the sights and sounds of your surroundings.

September Average Humidity in Vercelli

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

In Vercelli 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 Vercelli, you can refer to this Hourly UV Index in Vercelli.

Maximum UV Index Levels in Vercelli for September

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

Data source: Vercelli 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 Vercelli Compares to Other Months

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

This table compares monthly weather conditions in Vercelli, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	42 mm (1.7 inches)	88%	low
February Weather	6°C (44°F)	44 mm (1.7 inches)	81%	moderate
March Weather	10°C (50°F)	67 mm (2.6 inches)	76%	moderate
April Weather	14°C (58°F)	90 mm (3.5 inches)	77%	high
May Weather	18°C (65°F)	129 mm (5.1 inches)	74%	very high
June Weather	23°C (74°F)	121 mm (4.8 inches)	71%	very high
July Weather	25°C (77°F)	106 mm (4.2 inches)	67%	very high
August Weather	25°C (77°F)	76 mm (3.0 inches)	64%	very high
September Weather	20°C (69°F)	87 mm (3.4 inches)	74%	high
October Weather	15°C (59°F)	113 mm (4.5 inches)	87%	moderate
November Weather	9°C (49°F)	161 mm (6.3 inches)	88%	moderate
December Weather	4°C (39°F)	75 mm (2.9 inches)	85%	low