September Weather in Duce, Croatia

Last updated: August 23, 2025

In Duce, Croatia, the average temperature in September reaches a pleasant 20°C (69°F). Expect lows of around 10°C (50°F) and highs peaking at 30°C (86°F), making for a comfortable climate. Be prepared for 92 mm (3.6 in) of precipitation spread over 7 days, along with an average humidity of 69%. Enjoy the mild weather while exploring!

September Temperature in Duce

In September in Duce, the average temperature is 20°C (69°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 10°C (50°F). This mild weather makes Duce an ideal destination for travelers looking to enjoy outdoor activities comfortably.

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

The chart illustrates September temperature patterns in Duce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Duce, September typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (86°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548556371757768605446
Data source: Temperature data for Duce 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 Duce

In Duce in September, the precipitation amount is 92 mm (3.6 in) over the course of 7 days.

September Precipitation Trends in Duce

The chart displays monthly precipitation patterns in Duce, 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 Duce, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec101114100898442312992109238230
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Duce

In Duce in September humidity is 69%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping embrace, making travel feel both refreshing and slightly sticky, as you navigate the vibrant atmosphere with a pleasant sheen of perspiration glistening on your skin.

September Average Humidity in Duce

This chart illustrates the average monthly humidity levels in Duce, 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 Duce is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%73%75%78%75%71%65%69%76%81%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Duce

In Duce 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 Duce.

Maximum UV Index Levels in Duce for September

The chart shows the monthly maximum UV Index (UVI) for Duce 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 Duce typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Duce 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 Duce Compares to Other Months

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

This table compares monthly weather conditions in Duce, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)101 mm (4.0 inches)83%low
February Weather7°C (46°F)114 mm (4.5 inches)76%moderate
March Weather9°C (49°F)100 mm (3.9 inches)73%high
April Weather13°C (55°F)89 mm (3.5 inches)75%high
May Weather17°C (63°F)84 mm (3.3 inches)78%very high
June Weather22°C (71°F)42 mm (1.6 inches)75%very high
July Weather24°C (75°F)31 mm (1.2 inches)71%very high
August Weather25°C (77°F)29 mm (1.2 inches)65%very high
September Weather20°C (69°F)92 mm (3.6 inches)69%high
October Weather15°C (60°F)109 mm (4.3 inches)76%moderate
November Weather12°C (54°F)238 mm (9.4 inches)81%moderate
December Weather8°C (46°F)230 mm (9.0 inches)81%low

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