September Weather in Poljane, Croatia

Last updated: August 23, 2025

In September, the average temperature in Poljane, Croatia hovers around 19°C (66°F), with daily highs reaching up to 29°C (85°F) and lows dipping to 8°C (47°F). Expect an average humidity of 64%, accompanied by 234 mm (9.2 in) of precipitation over approximately 12 days. Prepare for a mix of warm days and refreshing showers!

September Temperature in Poljane

In September in Poljane, the average temperature is 19°C (66°F). Maximums can reach 29°C (85°F), while minimums can dip as low as 8°C (47°F). This makes it a great time for travelers to enjoy moderate weather and diverse outdoor activities.

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

The chart illustrates September temperature patterns in Poljane, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poljane, September typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Poljane generated using information from the Copernicus Climate Change Service.

September Precipitation in Poljane

In Poljane in September, the total precipitation amount is 234 mm (9.2 in) spread over 12 days.

September Precipitation Trends in Poljane

The chart displays monthly precipitation patterns in Poljane, 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 Poljane, September typically receives around 234 mm (9.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Poljane

In Poljane in September humidity is 64%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel both refreshing and slightly drizzly, ideal for leisurely exploration but a reminder to stay hydrated.

September Average Humidity in Poljane

This chart illustrates the average monthly humidity levels in Poljane, 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 Poljane is approximately 64%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poljane

In Poljane 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 Poljane.

Maximum UV Index Levels in Poljane for September

The chart shows the monthly maximum UV Index (UVI) for Poljane 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 Poljane typically reaches 7, which falls under the high exposure category.

Data source: Poljane 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 Poljane Compares to Other Months

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

This table compares monthly weather conditions in Poljane, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	113 mm (4.5 inches)	88%	low
February Weather	6°C (43°F)	194 mm (7.6 inches)	82%	moderate
March Weather	8°C (46°F)	133 mm (5.2 inches)	73%	moderate
April Weather	12°C (53°F)	133 mm (5.2 inches)	73%	high
May Weather	16°C (61°F)	184 mm (7.2 inches)	70%	very high
June Weather	21°C (70°F)	85 mm (3.3 inches)	69%	very high
July Weather	23°C (73°F)	86 mm (3.4 inches)	63%	very high
August Weather	23°C (74°F)	92 mm (3.6 inches)	51%	very high
September Weather	19°C (66°F)	234 mm (9.2 inches)	64%	high
October Weather	14°C (58°F)	196 mm (7.7 inches)	83%	moderate
November Weather	10°C (50°F)	254 mm (10.0 inches)	89%	moderate
December Weather	6°C (43°F)	251 mm (9.9 inches)	88%	low