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September Weather in San Giovanni, Italy

Last updated: August 23, 2025

In September, the average temperature in San Giovanni, Italy is a pleasant 19°C (67°F). Expect lows of about 8°C (47°F) and highs reaching 30°C (86°F). With an average precipitation of 79 mm (3.1 in) spread over 9 days and humidity levels at 74%, it’s a month that beautifully balances warmth and occasional refreshment.

September Temperature in San Giovanni

In September in San Giovanni, the average temperature is 19°C (67°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as 8°C (47°F). This range makes San Giovanni a great destination for travelers seeking pleasant weather and the opportunity to enjoy a variety of outdoor activities.

September Weather in San Giovanni: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Giovanni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Giovanni, September typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec404548546169737467584941
Data source: Temperature data for San Giovanni 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 San Giovanni

In San Giovanni in September, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

September Precipitation Trends in San Giovanni

The chart displays monthly precipitation patterns in San Giovanni, 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 San Giovanni, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6264818510654734579165205108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Giovanni

In San Giovanni in September, humidity is 74%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling, often leading travelers to seek shade and hydrate frequently.

September Average Humidity in San Giovanni

This chart illustrates the average monthly humidity levels in San Giovanni, 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 San Giovanni is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Giovanni

In San Giovanni 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 San Giovanni.

Maximum UV Index Levels in San Giovanni for September

The chart shows the monthly maximum UV Index (UVI) for San Giovanni 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 San Giovanni typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: San Giovanni 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 San Giovanni Compares to Other Months

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

This table compares monthly weather conditions in San Giovanni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)62 mm (2.4 inches)88%low
February Weather7°C (45°F)64 mm (2.5 inches)81%moderate
March Weather9°C (48°F)81 mm (3.2 inches)76%high
April Weather12°C (54°F)85 mm (3.4 inches)77%high
May Weather16°C (61°F)106 mm (4.2 inches)74%very high
June Weather21°C (69°F)54 mm (2.1 inches)71%very high
July Weather23°C (73°F)73 mm (2.9 inches)67%very high
August Weather23°C (74°F)45 mm (1.8 inches)64%very high
September Weather19°C (67°F)79 mm (3.1 inches)74%high
October Weather15°C (59°F)165 mm (6.5 inches)87%moderate
November Weather9°C (49°F)205 mm (8.1 inches)88%moderate
December Weather5°C (41°F)108 mm (4.2 inches)85%low

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