September Weather in Ins, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Ins, Switzerland hovers around 14°C (58°F), with a minimum of 3°C (37°F) and a maximum reaching up to 28°C (82°F). During this time, expect about 83 mm (3.3 in) of precipitation spread over 12 days, contributing to an average humidity level of 81%.

September Temperature in Ins

In September in Ins, the average temperature is 14°C (58°F). The maximum can reach 28°C (82°F), and the minimum can be as low as 3°C (37°F). This climate makes it an ideal time for travelers to enjoy the outdoors while experiencing a comfortable range of temperatures.

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

The chart illustrates September temperature patterns in Ins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ins, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Ins

In Ins in September, the precipitation amount is 83 mm (3.3 in) distributed over the course of 12 days.

September Precipitation Trends in Ins

The chart displays monthly precipitation patterns in Ins, 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 Ins, September typically receives around 83 mm (3.3 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 Ins

In Ins in September, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

September Average Humidity in Ins

This chart illustrates the average monthly humidity levels in Ins, 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 Ins is approximately 81%, 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 Ins

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

Maximum UV Index Levels in Ins for September

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

Data source: Ins 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 Ins Compares to Other Months

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

This table compares monthly weather conditions in Ins, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	109 mm (4.3 inches)	91%	low
February Weather	2°C (37°F)	87 mm (3.4 inches)	89%	moderate
March Weather	5°C (41°F)	114 mm (4.5 inches)	87%	moderate
April Weather	9°C (48°F)	65 mm (2.6 inches)	84%	high
May Weather	12°C (54°F)	159 mm (6.3 inches)	80%	very high
June Weather	17°C (63°F)	135 mm (5.3 inches)	82%	very high
July Weather	18°C (66°F)	145 mm (5.7 inches)	82%	very high
August Weather	18°C (65°F)	130 mm (5.1 inches)	77%	very high
September Weather	14°C (58°F)	83 mm (3.3 inches)	81%	high
October Weather	10°C (50°F)	108 mm (4.3 inches)	89%	moderate
November Weather	4°C (40°F)	90 mm (3.5 inches)	89%	low
December Weather	2°C (35°F)	158 mm (6.2 inches)	91%	low