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September Weather in Costarainera, Italy

Last updated: August 23, 2025

In September, the average temperature in Costarainera, Italy is a pleasant 22°C (73°F), with minimums dipping to 16°C (61°F) and maximums rising to 27°C (81°F). Expect some rain, with an average precipitation amount of 34 mm (1.3 in) spread over 6 days. The air is fairly moist, with an average humidity of 70%, perfect for enjoying the local scenery!

September Temperature in Costarainera

In September in Costarainera, the average temperature is 22°C (73°F), with maximums reaching up to 27°C (81°F) and minimums dropping to as low as 16°C (61°F). This pleasant climate makes Costarainera an ideal destination for travelers seeking mild weather and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Costarainera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costarainera, September typically has an average temperature of 22°C (73°F), with highs reaching up to 27°C (81°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec535354586371757772665955
Data source: Temperature data for Costarainera 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 Costarainera

In Costarainera in September, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

September Precipitation Trends in Costarainera

The chart displays monthly precipitation patterns in Costarainera, 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 Costarainera, September typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec484265634816237349113497
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Costarainera

In Costarainera in September, humidity is 70%. With an average temperature of 22°C (73°F), this humidity feels like a warm blanket, making travel comfortable but slightly muggy, urging you to stay hydrated and take frequent breaks in shaded areas.

September Average Humidity in Costarainera

This chart illustrates the average monthly humidity levels in Costarainera, 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 Costarainera is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%74%75%72%69%68%70%77%80%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Costarainera

In Costarainera 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 Costarainera.

Maximum UV Index Levels in Costarainera for September

The chart shows the monthly maximum UV Index (UVI) for Costarainera 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 Costarainera typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Costarainera 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 Costarainera Compares to Other Months

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

This table compares monthly weather conditions in Costarainera, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)48 mm (1.9 inches)80%low
February Weather12°C (53°F)42 mm (1.6 inches)72%moderate
March Weather12°C (55°F)65 mm (2.5 inches)69%moderate
April Weather14°C (58°F)63 mm (2.5 inches)74%high
May Weather17°C (64°F)48 mm (1.9 inches)75%very high
June Weather22°C (71°F)15 mm (0.6 inches)72%very high
July Weather24°C (76°F)23 mm (0.9 inches)69%very high
August Weather25°C (78°F)7 mm (0.3 inches)68%very high
September Weather22°C (73°F)34 mm (1.3 inches)70%high
October Weather19°C (66°F)91 mm (3.6 inches)77%moderate
November Weather15°C (60°F)134 mm (5.3 inches)80%moderate
December Weather13°C (55°F)97 mm (3.8 inches)76%low

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