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September Weather in Atri, Italy

Last updated: August 23, 2025

In Atri, Italy, the average temperature in September hovers around 21°C (70°F), offering a comfortable climate for outdoor activities. Expect a minimum of 10°C (50°F) and a maximum of 30°C (87°F). During this month, rainfall averages 62 mm (2.4 in) spread across 8 days, contributing to an overall humidity level of 67%. Whether you're exploring city streets or enjoying nature, it's an ideal time to experience everything this destination has to offer!

September Temperature in Atri

In September in Atri, the average temperature is 21°C (70°F). Maximums can reach 30°C (87°F), while minimums can drop to as low as 10°C (50°F). This pleasant climate makes Atri an ideal destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Atri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atri, September typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec434649556473777770615447
Data source: Temperature data for Atri 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 Atri

In Atri in September, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

September Precipitation Trends in Atri

The chart displays monthly precipitation patterns in Atri, 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 Atri, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec78658266104436937627914186
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atri

In Atri in September humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.

September Average Humidity in Atri

This chart illustrates the average monthly humidity levels in Atri, 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 Atri is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atri

In Atri 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 Atri.

Maximum UV Index Levels in Atri for September

The chart shows the monthly maximum UV Index (UVI) for Atri 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 Atri typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34679101097542
Data source: Atri 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 Atri Compares to Other Months

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

This table compares monthly weather conditions in Atri, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)78 mm (3.1 inches)85%moderate
February Weather8°C (47°F)65 mm (2.6 inches)78%moderate
March Weather9°C (49°F)82 mm (3.2 inches)69%high
April Weather13°C (56°F)66 mm (2.6 inches)71%high
May Weather18°C (64°F)104 mm (4.1 inches)71%very high
June Weather23°C (73°F)43 mm (1.7 inches)63%very high
July Weather25°C (77°F)69 mm (2.7 inches)59%very high
August Weather25°C (78°F)37 mm (1.4 inches)54%very high
September Weather21°C (70°F)62 mm (2.4 inches)67%high
October Weather16°C (61°F)79 mm (3.1 inches)78%moderate
November Weather12°C (55°F)141 mm (5.6 inches)84%moderate
December Weather8°C (47°F)86 mm (3.4 inches)86%low

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