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September Weather in Valle di Casies - Gsies, Italy

Last updated: August 23, 2025

In September, the average temperature in Valle di Casies - Gsies, Italy hovers around 9°C (49°F). Weather can vary widely, with minimums dipping to -8°C (18°F) and maximums reaching 22°C (72°F). Expect 117 mm (4.6 in) of precipitation over approximately 15 days of the month, accompanied by an average humidity level of 83%.

September Temperature in Valle di Casies - Gsies

In September in Valle di Casies - Gsies, the average temperature is 9°C (49°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -8°C (18°F). This varied climate makes it essential to pack layers for your trip.

September Weather in Valle di Casies - Gsies: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Valle di Casies - Gsies, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valle di Casies - Gsies, September typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (72°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec182429354354555649403120
Data source: Temperature data for Valle di Casies - Gsies 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 Valle di Casies - Gsies

In Valle di Casies - Gsies in September, the total precipitation amount is 117 mm (4.6 in), occurring over the course of 15 days.

September Precipitation Trends in Valle di Casies - Gsies

The chart displays monthly precipitation patterns in Valle di Casies - Gsies, 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 Valle di Casies - Gsies, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec55587594143137162182117110142121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valle di Casies - Gsies

In Valle di Casies - Gsies in September, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

September Average Humidity in Valle di Casies - Gsies

This chart illustrates the average monthly humidity levels in Valle di Casies - Gsies, 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 Valle di Casies - Gsies is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valle di Casies - Gsies

In Valle di Casies - Gsies 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 Valle di Casies - Gsies.

Maximum UV Index Levels in Valle di Casies - Gsies for September

The chart shows the monthly maximum UV Index (UVI) for Valle di Casies - Gsies 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 Valle di Casies - Gsies typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec247810101097532
Data source: Valle di Casies - Gsies 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 Valle di Casies - Gsies Compares to Other Months

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

This table compares monthly weather conditions in Valle di Casies - Gsies, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)55 mm (2.2 inches)93%low
February Weather-4°C (25°F)58 mm (2.3 inches)89%moderate
March Weather-2°C (29°F)75 mm (2.9 inches)86%high
April Weather2°C (35°F)94 mm (3.7 inches)83%very high
May Weather6°C (43°F)143 mm (5.6 inches)78%very high
June Weather12°C (54°F)137 mm (5.4 inches)79%very high
July Weather13°C (56°F)162 mm (6.4 inches)82%very high
August Weather13°C (56°F)182 mm (7.2 inches)80%very high
September Weather9°C (49°F)117 mm (4.6 inches)83%high
October Weather5°C (41°F)110 mm (4.3 inches)90%moderate
November Weather-1°C (31°F)142 mm (5.6 inches)89%moderate
December Weather-7°C (20°F)121 mm (4.8 inches)90%low

Compare Valle di Casies - Gsies's Climate with Cities Worldwide