September Weather in Celleno, Italy

Last updated: August 23, 2025

In September, the average temperature in Celleno, Italy hovers around 21°C (69°F), providing a pleasant climate for outdoor activities. Daily temperatures can vary, with a minimum of 9°C (48°F) and a maximum reaching up to 31°C (88°F). Expect some rain, as precipitation amounts average 92 mm (3.6 in) over 9 days. Additionally, the air carries a comfortable average humidity of 66%, making it an ideal time to explore the local scenery.

September Temperature in Celleno

In September in Celleno, the average temperature is 21°C (69°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as 9°C (48°F). This diverse temperature range makes it an ideal time to explore all that Celleno has to offer, whether you prefer warm daytime activities or cooler evening adventures.

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

The chart illustrates September temperature patterns in Celleno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Celleno, September typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 9°C (48°F).

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

September Precipitation in Celleno

In Celleno in September, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.

September Precipitation Trends in Celleno

The chart displays monthly precipitation patterns in Celleno, 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 Celleno, September typically receives around 92 mm (3.6 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 Celleno

In Celleno in September humidity is 66%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it a bit sticky, but still comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Celleno

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

In Celleno 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 Celleno.

Maximum UV Index Levels in Celleno for September

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

Data source: Celleno 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 Celleno Compares to Other Months

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

This table compares monthly weather conditions in Celleno, 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)	56 mm (2.2 inches)	84%	moderate
February Weather	8°C (47°F)	70 mm (2.7 inches)	76%	moderate
March Weather	10°C (49°F)	75 mm (2.9 inches)	68%	moderate
April Weather	13°C (55°F)	74 mm (2.9 inches)	70%	high
May Weather	17°C (63°F)	81 mm (3.2 inches)	69%	very high
June Weather	22°C (72°F)	35 mm (1.4 inches)	62%	very high
July Weather	25°C (77°F)	32 mm (1.3 inches)	57%	very high
August Weather	25°C (78°F)	30 mm (1.2 inches)	55%	very high
September Weather	21°C (69°F)	92 mm (3.6 inches)	66%	high
October Weather	16°C (61°F)	92 mm (3.6 inches)	79%	moderate
November Weather	12°C (54°F)	155 mm (6.1 inches)	84%	moderate
December Weather	8°C (47°F)	110 mm (4.3 inches)	83%	low