September Weather in Risan, Montenegro

Last updated: August 28, 2025

In Risan, Montenegro, the average temperature in September hovers around 19°C (66°F). Expect a comfortable range, with minimums dipping to 7°C (45°F) and maximums reaching up to 30°C (86°F). Be prepared for some precipitation, with an average of 150 mm (5.9 in) spread over 10 days. Humidity is typically around 65%, adding a touch of warmth to the season.

September Temperature in Risan

In September in Risan, the average temperature is 19°C (66°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 7°C (45°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Risan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Risan, September typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Risan

In Risan in September, the precipitation amount reaches 150 mm (5.9 in) over the course of 10 days.

September Precipitation Trends in Risan

The chart displays monthly precipitation patterns in Risan, 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 Risan, September typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 10 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 Risan

In Risan in September humidity is 65%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making outdoor activities refreshing but slightly sticky, so it's advisable to stay hydrated and take breaks in shaded areas while exploring.

September Average Humidity in Risan

This chart illustrates the average monthly humidity levels in Risan, 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 Risan is approximately 65%, 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 Risan

In Risan 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 Risan.

Maximum UV Index Levels in Risan for September

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

Data source: Risan 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 Risan Compares to Other Months

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

This table compares monthly weather conditions in Risan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	179 mm (7.1 inches)	88%	low
February Weather	6°C (43°F)	241 mm (9.5 inches)	82%	moderate
March Weather	8°C (46°F)	232 mm (9.1 inches)	79%	high
April Weather	11°C (53°F)	155 mm (6.1 inches)	75%	high
May Weather	15°C (60°F)	179 mm (7.0 inches)	74%	very high
June Weather	20°C (68°F)	91 mm (3.6 inches)	66%	very high
July Weather	22°C (73°F)	83 mm (3.3 inches)	59%	very high
August Weather	23°C (74°F)	68 mm (2.7 inches)	53%	very high
September Weather	19°C (66°F)	150 mm (5.9 inches)	65%	high
October Weather	14°C (57°F)	213 mm (8.4 inches)	78%	moderate
November Weather	10°C (51°F)	363 mm (14.3 inches)	85%	moderate
December Weather	6°C (43°F)	354 mm (13.9 inches)	86%	low