September Weather in Brinje, Croatia

Last updated: August 23, 2025

In September, the average temperature in Brinje, Croatia hovers around 15°C (60°F), with minimums dropping to 2°C (36°F) and maximums soaring to 30°C (86°F). Expect about 180 mm (7.1 in) of precipitation over 13 days, while the average humidity sits comfortably at 62%. Enjoy the diverse weather this month brings!

September Temperature in Brinje

In September in Brinje, the average temperature is 15°C (60°F), with maximums that can reach 30°C (86°F) and minimums that can drop as low as 2°C (36°F). This climate makes it an ideal time to explore outdoor activities and enjoy the local scenery.

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

The chart illustrates September temperature patterns in Brinje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brinje, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Brinje

In Brinje in September, the precipitation amount is 180 mm (7.1 in) spread over 13 days.

September Precipitation Trends in Brinje

The chart displays monthly precipitation patterns in Brinje, 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 Brinje, September typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Brinje

In Brinje in September, humidity is 62%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace, making it a bit muggy for traveling, yet pleasantly refreshing for leisurely strolls and outdoor exploration.

September Average Humidity in Brinje

This chart illustrates the average monthly humidity levels in Brinje, 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 Brinje is approximately 62%, 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 Brinje

In Brinje 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 Brinje.

Maximum UV Index Levels in Brinje for September

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

Data source: Brinje 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 Brinje Compares to Other Months

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

This table compares monthly weather conditions in Brinje, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	93 mm (3.7 inches)	89%	low
February Weather	3°C (38°F)	125 mm (4.9 inches)	83%	moderate
March Weather	5°C (41°F)	95 mm (3.8 inches)	75%	moderate
April Weather	9°C (49°F)	108 mm (4.3 inches)	72%	high
May Weather	14°C (57°F)	184 mm (7.2 inches)	70%	very high
June Weather	19°C (66°F)	89 mm (3.5 inches)	69%	very high
July Weather	20°C (69°F)	113 mm (4.5 inches)	64%	very high
August Weather	21°C (69°F)	115 mm (4.5 inches)	51%	very high
September Weather	15°C (60°F)	180 mm (7.1 inches)	62%	high
October Weather	11°C (51°F)	133 mm (5.2 inches)	81%	moderate
November Weather	6°C (44°F)	162 mm (6.4 inches)	87%	moderate
December Weather	2°C (36°F)	159 mm (6.3 inches)	88%	low