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September Weather in Serri, Italy

Last updated: August 23, 2025

In September, the average temperature in Serri, Italy hovers around 21°C (69°F), providing a pleasant climate for exploration. Daytime highs can reach up to 32°C (90°F), while nighttime lows may dip to 8°C (47°F). Expect about 50 mm (2.0 in) of precipitation spread over 6 days, contributing to an average humidity of 75%. Whether you're seeking adventure or relaxation, this destination offers a comfortable atmosphere to enjoy!

September Temperature in Serri

In September in Serri, the average temperature is 21°C (69°F). The maximum can reach 32°C (90°F), while the minimum can be as low as 8°C (47°F). This pleasant climate makes Serri an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Serri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serri, September typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec454749546271777769615347
Data source: Temperature data for Serri 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 Serri

In Serri in September, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

September Precipitation Trends in Serri

The chart displays monthly precipitation patterns in Serri, 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 Serri, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec464160746943634505010667
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Serri

In Serri in September, humidity is 75%. With an average temperature of 21°C (69°F), this humidity feels like a warm, sticky embrace that can make even a short walk feel exhausting for travelers, often leading to a longing for refreshing breezes or air-conditioned retreats.

September Average Humidity in Serri

This chart illustrates the average monthly humidity levels in Serri, 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 Serri is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%73%77%78%77%77%74%75%76%75%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Serri

In Serri 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 Serri.

Maximum UV Index Levels in Serri for September

The chart shows the monthly maximum UV Index (UVI) for Serri 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 Serri typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108642
Data source: Serri 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 Serri Compares to Other Months

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

This table compares monthly weather conditions in Serri, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)46 mm (1.8 inches)76%moderate
February Weather8°C (47°F)41 mm (1.6 inches)73%moderate
March Weather9°C (49°F)60 mm (2.3 inches)73%high
April Weather12°C (54°F)74 mm (2.9 inches)77%very high
May Weather16°C (62°F)69 mm (2.7 inches)78%very high
June Weather22°C (71°F)43 mm (1.7 inches)77%very high
July Weather25°C (77°F)6 mm (0.2 inches)77%very high
August Weather25°C (78°F)34 mm (1.3 inches)74%very high
September Weather21°C (69°F)50 mm (2.0 inches)75%very high
October Weather16°C (61°F)50 mm (2.0 inches)76%high
November Weather11°C (53°F)106 mm (4.2 inches)75%moderate
December Weather8°C (47°F)67 mm (2.6 inches)74%low

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