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September Weather in Donji Lapac, Croatia

Last updated: August 23, 2025

In September, the average temperature in Donji Lapac, Croatia hovers around 15°C (59°F). Expect a refreshing climate where the temperature can dip as low as 1°C (35°F) and reach up to 29°C (84°F). With an average precipitation of 121 mm (4.8 in) spread over 11 days, it's wise to keep an umbrella handy. On top of that, the average humidity sits at a comfortable 62%, adding to the overall pleasantness of the season.

September Temperature in Donji Lapac

In September in Donji Lapac, the average temperature is 15°C (59°F). Maximums can reach 29°C (84°F), while minimums can be as low as 1°C (35°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

September Weather in Donji Lapac: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Donji Lapac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donji Lapac, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec323741485665686959514437
Data source: Temperature data for Donji Lapac 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 Donji Lapac

In Donji Lapac in September, the total precipitation amount is 121 mm (4.8 in), which occurs over the course of 11 days.

September Precipitation Trends in Donji Lapac

The chart displays monthly precipitation patterns in Donji Lapac, 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 Donji Lapac, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec861159797131817971122116154161
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Donji Lapac

In Donji Lapac in September humidity is 62%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making it ideal for leisurely strolls and explorations without feeling overly hot or sticky.

September Average Humidity in Donji Lapac

This chart illustrates the average monthly humidity levels in Donji Lapac, 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 Donji Lapac 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 Donji Lapac

In Donji Lapac 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 Donji Lapac.

Maximum UV Index Levels in Donji Lapac for September

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

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

This table compares monthly weather conditions in Donji Lapac, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)86 mm (3.4 inches)89%low
February Weather3°C (38°F)115 mm (4.5 inches)83%moderate
March Weather5°C (41°F)97 mm (3.8 inches)75%high
April Weather9°C (49°F)97 mm (3.8 inches)72%high
May Weather13°C (56°F)131 mm (5.2 inches)70%very high
June Weather18°C (65°F)81 mm (3.2 inches)69%very high
July Weather20°C (68°F)79 mm (3.1 inches)64%very high
August Weather20°C (69°F)71 mm (2.8 inches)51%very high
September Weather15°C (59°F)121 mm (4.8 inches)62%high
October Weather11°C (51°F)116 mm (4.6 inches)81%moderate
November Weather7°C (44°F)154 mm (6.0 inches)87%moderate
December Weather3°C (37°F)161 mm (6.4 inches)88%low

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