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September Weather in Oliena, Italy

Last updated: August 23, 2025

In September, the average temperature in Oliena, Italy is a pleasant 21°C (70°F). You can expect a minimum of 11°C (52°F) and a maximum of 29°C (84°F). With an average humidity of 68%, the atmosphere can feel quite comfortable. However, be prepared for some rain, as precipitation may reach 70 mm (2.7 in) over about 8 days.

September Temperature in Oliena

In September in Oliena, the average temperature is 21°C (70°F). The maximum can reach 29°C (84°F) and the minimum can be as low as 11°C (52°F). This mild climate makes Oliena an ideal destination for outdoor activities and sightseeing during this month.

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

The chart illustrates September temperature patterns in Oliena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oliena, September typically has an average temperature of 21°C (70°F), with highs reaching up to 29°C (84°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec474950546170767770625550
Data source: Temperature data for Oliena 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 Oliena

In Oliena in September, the precipitation amount is 70 mm (2.7 in) spread over 8 days.

September Precipitation Trends in Oliena

The chart displays monthly precipitation patterns in Oliena, 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 Oliena, September typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec633856696827620706413748
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oliena

In Oliena in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Oliena

This chart illustrates the average monthly humidity levels in Oliena, 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 Oliena is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%72%70%74%72%70%69%66%68%75%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oliena

In Oliena in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Oliena.

Maximum UV Index Levels in Oliena for September

The chart shows the monthly maximum UV Index (UVI) for Oliena 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 Oliena typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Oliena 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 Oliena Compares to Other Months

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

This table compares monthly weather conditions in Oliena, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)63 mm (2.5 inches)79%moderate
February Weather9°C (49°F)38 mm (1.5 inches)72%moderate
March Weather10°C (50°F)56 mm (2.2 inches)70%high
April Weather12°C (55°F)69 mm (2.7 inches)74%very high
May Weather16°C (62°F)68 mm (2.7 inches)72%very high
June Weather21°C (70°F)27 mm (1.1 inches)70%very high
July Weather24°C (76°F)6 mm (0.2 inches)69%very high
August Weather25°C (77°F)20 mm (0.8 inches)66%very high
September Weather21°C (70°F)70 mm (2.7 inches)68%very high
October Weather17°C (63°F)63 mm (2.5 inches)75%high
November Weather13°C (55°F)137 mm (5.4 inches)78%moderate
December Weather10°C (50°F)48 mm (1.9 inches)76%low

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