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September Weather in Sam Marino, Italy

Last updated: August 23, 2025

In September, the average temperature in Sam Marino, Italy is a pleasant 21°C (71°F). Expect a range where the minimum can dip to 9°C (48°F) and the maximum soars to 35°C (96°F). You'll enjoy an average humidity level of 66%, with an expected precipitation of 82 mm (3.2 in) spread over about 9 days.

September Temperature in Sam Marino

In September in Sam Marino, the average temperature is 21°C (71°F). Maximum temperatures can reach up to 35°C (96°F), while minimums can drop as low as 9°C (48°F). This diverse temperature range makes Sam Marino an ideal destination for travelers seeking both warm days and cooler evenings.

September Weather in Sam Marino: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sam Marino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sam Marino, September typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec394550586676808070605141
Data source: Temperature data for Sam Marino 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 Sam Marino

In Sam Marino in September, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

September Precipitation Trends in Sam Marino

The chart displays monthly precipitation patterns in Sam Marino, 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 Sam Marino, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2058456398436051825910366
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sam Marino

In Sam Marino in September, humidity is 66%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities a bit taxing but also lends a vibrant energy to the atmosphere, ideal for those who appreciate a tropical ambiance while exploring.

September Average Humidity in Sam Marino

This chart illustrates the average monthly humidity levels in Sam Marino, 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 Sam Marino is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sam Marino

In Sam Marino in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sam Marino, you can refer to this Hourly UV Index in Sam Marino.

Maximum UV Index Levels in Sam Marino for September

The chart shows the monthly maximum UV Index (UVI) for Sam Marino 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 Sam Marino typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Sam Marino 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 Sam Marino Compares to Other Months

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

This table compares monthly weather conditions in Sam Marino, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)20 mm (0.8 inches)87%low
February Weather7°C (45°F)58 mm (2.3 inches)79%moderate
March Weather10°C (50°F)45 mm (1.8 inches)69%moderate
April Weather14°C (58°F)63 mm (2.5 inches)71%high
May Weather19°C (66°F)98 mm (3.8 inches)70%very high
June Weather25°C (77°F)43 mm (1.7 inches)65%very high
July Weather27°C (80°F)60 mm (2.4 inches)61%very high
August Weather27°C (80°F)51 mm (2.0 inches)54%very high
September Weather21°C (71°F)82 mm (3.2 inches)66%high
October Weather16°C (61°F)59 mm (2.3 inches)83%moderate
November Weather10°C (51°F)103 mm (4.1 inches)88%moderate
December Weather5°C (41°F)66 mm (2.6 inches)85%low

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