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September Weather in Stari Gradac, Croatia

Last updated: August 23, 2025

In Stari Gradac, Croatia, the average temperature in September is a pleasant 18°C (64°F). However, temperatures can vary significantly, with a minimum of 2°C (35°F) and soaring up to a maximum of 34°C (93°F). Expect around 74 mm (2.9 in) of precipitation over 8 days, contributing to an average humidity of 62%. Come prepared for a mix of weather!

September Temperature in Stari Gradac

In September in Stari Gradac, the average temperature is 18°C (64°F), with maximums potentially reaching 34°C (93°F) and minimums dipping as low as 2°C (35°F). This diverse range of temperatures makes it essential for travelers to pack layers to ensure comfort in both warm and cool conditions.

September Weather in Stari Gradac: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Stari Gradac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stari Gradac, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec334045546171737464544538
Data source: Temperature data for Stari Gradac 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 Stari Gradac

In Stari Gradac in September, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

September Precipitation Trends in Stari Gradac

The chart displays monthly precipitation patterns in Stari Gradac, 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 Stari Gradac, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec326152579796885475766475
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stari Gradac

In Stari Gradac in September humidity is 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Stari Gradac

This chart illustrates the average monthly humidity levels in Stari Gradac, 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 Stari Gradac is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stari Gradac

In Stari Gradac 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 Stari Gradac, you can refer to this Hourly UV Index in Stari Gradac.

Maximum UV Index Levels in Stari Gradac for September

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

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

This table compares monthly weather conditions in Stari Gradac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)32 mm (1.2 inches)89%low
February Weather4°C (40°F)61 mm (2.4 inches)83%moderate
March Weather7°C (45°F)52 mm (2.0 inches)75%moderate
April Weather12°C (54°F)57 mm (2.2 inches)72%high
May Weather16°C (62°F)97 mm (3.8 inches)70%very high
June Weather22°C (72°F)96 mm (3.8 inches)69%very high
July Weather23°C (73°F)88 mm (3.5 inches)64%very high
August Weather23°C (74°F)54 mm (2.1 inches)51%very high
September Weather18°C (64°F)74 mm (2.9 inches)62%high
October Weather12°C (54°F)76 mm (3.0 inches)81%moderate
November Weather7°C (45°F)64 mm (2.5 inches)87%moderate
December Weather3°C (38°F)75 mm (3.0 inches)88%low

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