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September Weather in Intragna, Switzerland

Last updated: August 27, 2025

In Intragna, Switzerland, the average temperature in September hovers around 13°C (55°F). You might experience a range from a chilly -1°C (31°F) to a pleasant 23°C (74°F). Expect 136 mm (5.4 in) of precipitation over 14 days, alongside an average humidity of 83%, making it a notably damp month.

September Temperature in Intragna

In September in Intragna, the average temperature is 13°C (55°F). Maximums can reach 23°C (74°F), and minimums can drop as low as -1°C (31°F). Be prepared for a mix of mild and chilly weather, making it ideal for layering during your travels.

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

The chart illustrates September temperature patterns in Intragna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Intragna, September typically has an average temperature of 13°C (55°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec293337445160626255473731
Data source: Temperature data for Intragna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Intragna

In Intragna in September, the precipitation amount is 136 mm (5.4 in) over a span of 14 days.

September Precipitation Trends in Intragna

The chart displays monthly precipitation patterns in Intragna, 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 Intragna, September typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7156106136176159124169136242168119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Intragna

In Intragna in September humidity is 83%. With an average temperature of 13°C (55°F), this humidity feels like a damp embrace, often leaving travelers feeling slightly sticky and in need of frequent breaks in the shade.

September Average Humidity in Intragna

This chart illustrates the average monthly humidity levels in Intragna, 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 Intragna is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Intragna

In Intragna 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 Intragna.

Maximum UV Index Levels in Intragna for September

The chart shows the monthly maximum UV Index (UVI) for Intragna 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 Intragna typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Intragna 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 Intragna Compares to Other Months

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

This table compares monthly weather conditions in Intragna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)71 mm (2.8 inches)92%low
February Weather1°C (34°F)56 mm (2.2 inches)89%moderate
March Weather3°C (37°F)106 mm (4.2 inches)87%high
April Weather7°C (44°F)136 mm (5.3 inches)84%very high
May Weather11°C (51°F)176 mm (6.9 inches)80%very high
June Weather15°C (60°F)159 mm (6.3 inches)82%very high
July Weather17°C (63°F)123 mm (4.9 inches)83%very high
August Weather17°C (62°F)169 mm (6.6 inches)80%very high
September Weather13°C (55°F)136 mm (5.4 inches)83%high
October Weather8°C (47°F)242 mm (9.5 inches)90%moderate
November Weather3°C (38°F)168 mm (6.6 inches)88%moderate
December Weather-1°C (31°F)119 mm (4.7 inches)90%low

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