September Weather in Arogno, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Arogno, Switzerland hovers around 17°C (63°F), offering a pleasant climate. Expect minimum temperatures to dip to 4°C (39°F), while the mercury can rise to a comfortable 26°C (80°F). Be prepared for some rainfall, with an average precipitation of 141 mm (5.5 in) over 12 days, and keep in mind the overall humidity level sits at a muggy 74%.

September Temperature in Arogno

In September in Arogno, the average temperature is 17°C (63°F). The maximum can reach 26°C (80°F), and the minimum can be as low as 4°C (39°F). This makes Arogno an ideal destination for travelers seeking mild weather and comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Arogno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arogno, September typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (80°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Arogno

In Arogno in September, the precipitation amount is 141 mm (5.5 in), occurring over the course of 12 days.

September Precipitation Trends in Arogno

The chart displays monthly precipitation patterns in Arogno, 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 Arogno, September typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 12 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 Arogno

In Arogno in September, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

September Average Humidity in Arogno

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

In Arogno 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 Arogno.

Maximum UV Index Levels in Arogno for September

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

Data source: Arogno 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 Arogno Compares to Other Months

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

This table compares monthly weather conditions in Arogno, 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 (37°F)	47 mm (1.9 inches)	88%	low
February Weather	5°C (41°F)	47 mm (1.9 inches)	81%	moderate
March Weather	7°C (45°F)	94 mm (3.7 inches)	76%	high
April Weather	11°C (52°F)	140 mm (5.5 inches)	77%	high
May Weather	15°C (59°F)	173 mm (6.8 inches)	74%	very high
June Weather	19°C (67°F)	196 mm (7.7 inches)	71%	very high
July Weather	21°C (70°F)	167 mm (6.6 inches)	67%	very high
August Weather	21°C (70°F)	174 mm (6.9 inches)	64%	very high
September Weather	17°C (63°F)	141 mm (5.5 inches)	74%	high
October Weather	12°C (55°F)	206 mm (8.1 inches)	87%	moderate
November Weather	8°C (46°F)	174 mm (6.9 inches)	88%	moderate
December Weather	3°C (39°F)	104 mm (4.1 inches)	85%	low