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September Weather in Posina, Italy

Last updated: August 23, 2025

In September, the average temperature in Posina, Italy hovers around 16°C (62°F), with a minimum of 6°C (44°F) and a pleasant maximum of 26°C (78°F). Expect about 135 mm (5.3 in) of precipitation spread across 12 days, contributing to an average humidity level of 66%.

September Temperature in Posina

In September in Posina, the average temperature is 16°C (62°F). Maximum can reach 26°C (78°F) and minimum can be as low as 6°C (44°F). This makes it an ideal time for travelers seeking mild weather and a comfortable climate for outdoor activities.

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

The chart illustrates September temperature patterns in Posina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Posina, September typically has an average temperature of 16°C (62°F), with highs reaching up to 26°C (78°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843505766696962534537
Data source: Temperature data for Posina 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 Posina

In Posina in September, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

September Precipitation Trends in Posina

The chart displays monthly precipitation patterns in Posina, 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 Posina, September typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec375982146199147148156135136183117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Posina

In Posina in September, humidity is 66%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace, creating a comfortable atmosphere for traveling while encouraging light layers and hydration during your adventures.

September Average Humidity in Posina

This chart illustrates the average monthly humidity levels in Posina, 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 Posina is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Posina

In Posina 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 Posina.

Maximum UV Index Levels in Posina for September

The chart shows the monthly maximum UV Index (UVI) for Posina 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 Posina typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Posina 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 Posina Compares to Other Months

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

This table compares monthly weather conditions in Posina, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)37 mm (1.5 inches)87%low
February Weather3°C (38°F)59 mm (2.3 inches)79%moderate
March Weather6°C (43°F)82 mm (3.2 inches)69%moderate
April Weather10°C (51°F)146 mm (5.7 inches)71%high
May Weather14°C (57°F)199 mm (7.8 inches)70%very high
June Weather19°C (67°F)147 mm (5.8 inches)65%very high
July Weather20°C (69°F)148 mm (5.8 inches)61%very high
August Weather21°C (70°F)156 mm (6.1 inches)54%very high
September Weather16°C (62°F)135 mm (5.3 inches)66%high
October Weather12°C (53°F)136 mm (5.3 inches)83%moderate
November Weather7°C (45°F)183 mm (7.2 inches)88%moderate
December Weather3°C (37°F)117 mm (4.6 inches)85%low

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