September Weather in Omegna, Italy

Last updated: August 23, 2025

In September, the average temperature in Omegna, Italy is a pleasant 16°C (61°F). During this time, you can expect temperatures to dip to a minimum of 4°C (39°F) and peak at a comfortable 26°C (78°F). However, prepare for some rain, as 165 mm (6.5 in) of precipitation is anticipated over around 17 days. With an average humidity of 74%, it’s a good idea to stay hydrated and enjoy the lush environment that accompanies this weather!

September Temperature in Omegna

In September in Omegna, the average temperature is 16°C (61°F), with maximums reaching up to 26°C (78°F) and minimums dropping as low as 4°C (39°F). This makes it an ideal time for travelers who enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Omegna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omegna, September typically has an average temperature of 16°C (61°F), with highs reaching up to 26°C (78°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Omegna

In Omegna in September, the precipitation amount reaches 165 mm (6.5 in) over a span of 17 days.

September Precipitation Trends in Omegna

The chart displays monthly precipitation patterns in Omegna, 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 Omegna, September typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 17 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 Omegna

In Omegna in September humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.

September Average Humidity in Omegna

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

In Omegna 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 Omegna.

Maximum UV Index Levels in Omegna for September

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

Data source: Omegna 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 Omegna Compares to Other Months

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

This table compares monthly weather conditions in Omegna, 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)	76 mm (3.0 inches)	88%	low
February Weather	4°C (39°F)	60 mm (2.4 inches)	81%	moderate
March Weather	6°C (43°F)	126 mm (5.0 inches)	76%	high
April Weather	10°C (49°F)	176 mm (6.9 inches)	77%	high
May Weather	13°C (56°F)	207 mm (8.2 inches)	74%	very high
June Weather	18°C (65°F)	252 mm (9.9 inches)	71%	very high
July Weather	20°C (68°F)	191 mm (7.5 inches)	67%	very high
August Weather	20°C (68°F)	208 mm (8.2 inches)	64%	very high
September Weather	16°C (61°F)	165 mm (6.5 inches)	74%	high
October Weather	11°C (53°F)	334 mm (13.2 inches)	87%	moderate
November Weather	6°C (43°F)	221 mm (8.7 inches)	88%	moderate
December Weather	2°C (36°F)	119 mm (4.7 inches)	85%	low