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September Weather in Gragnola, Italy

Last updated: August 23, 2025

In September, the average temperature in Gragnola, Italy hovers around 18°C (64°F). Expect minimums of 5°C (42°F) and maximums reaching 28°C (82°F), offering a pleasant range for outdoor activities. However, be prepared for some rain, as 109 mm (4.3 in) of precipitation is typically spread over 11 days. With an average humidity of 74%, the air carries a refreshing feel, making it an ideal time to explore!

September Temperature in Gragnola

In September in Gragnola, the average temperature is 18°C (64°F). The maximum can reach 28°C (82°F), while the minimum can be as low as 5°C (42°F). This makes Gragnola an ideal destination for travelers looking for mild weather and pleasant conditions.

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

The chart illustrates September temperature patterns in Gragnola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gragnola, September typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (82°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec394245515866707264564841
Data source: Temperature data for Gragnola 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 Gragnola

In Gragnola in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Gragnola

The chart displays monthly precipitation patterns in Gragnola, 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 Gragnola, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec66122115123147624355109151186205
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gragnola

In Gragnola in September humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

September Average Humidity in Gragnola

This chart illustrates the average monthly humidity levels in Gragnola, 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 Gragnola 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 Gragnola

In Gragnola 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 Gragnola.

Maximum UV Index Levels in Gragnola for September

The chart shows the monthly maximum UV Index (UVI) for Gragnola 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 Gragnola typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Gragnola 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 Gragnola Compares to Other Months

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

This table compares monthly weather conditions in Gragnola, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)66 mm (2.6 inches)88%low
February Weather6°C (43°F)122 mm (4.8 inches)81%moderate
March Weather7°C (45°F)115 mm (4.5 inches)76%high
April Weather11°C (51°F)123 mm (4.8 inches)77%high
May Weather14°C (58°F)147 mm (5.8 inches)74%very high
June Weather19°C (67°F)62 mm (2.4 inches)71%very high
July Weather21°C (71°F)43 mm (1.7 inches)67%very high
August Weather22°C (72°F)55 mm (2.2 inches)64%very high
September Weather18°C (64°F)109 mm (4.3 inches)74%high
October Weather13°C (56°F)151 mm (5.9 inches)87%moderate
November Weather9°C (48°F)186 mm (7.3 inches)88%moderate
December Weather5°C (41°F)205 mm (8.1 inches)85%low

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