September Weather in Opaka, Bulgaria

Last updated: August 22, 2025

In Opaka, Bulgaria, the average temperature for September hovers around 19°C (67°F), making it a pleasant time to visit. However, be prepared for a temperature range between a chilly 2°C (35°F) and a warm 34°C (94°F). During this month, expect 23 mm (0.9 in) of precipitation spread across 4 days, contributing to an average humidity level of 58%. Enjoy the dynamic weather!

September Temperature in Opaka

In September in Opaka, the average temperature is 19°C (67°F). The maximum can reach 34°C (94°F), while the minimum can be as low as 2°C (35°F). This range makes Opaka an ideal destination for travelers looking to enjoy a mild climate with the possibility of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Opaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Opaka, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Opaka

In Opaka in September, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

September Precipitation Trends in Opaka

The chart displays monthly precipitation patterns in Opaka, 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 Opaka, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 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 Opaka

In Opaka in September, humidity is 58%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, making it ideal for leisurely strolls and outdoor adventures, though you might want to stay hydrated as you explore.

September Average Humidity in Opaka

This chart illustrates the average monthly humidity levels in Opaka, 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 Opaka is approximately 58%, 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 Opaka

In Opaka 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 Opaka.

Maximum UV Index Levels in Opaka for September

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

Data source: Opaka 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 Opaka Compares to Other Months

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

This table compares monthly weather conditions in Opaka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	44 mm (1.7 inches)	88%	low
February Weather	4°C (39°F)	48 mm (1.9 inches)	84%	moderate
March Weather	6°C (43°F)	70 mm (2.7 inches)	81%	high
April Weather	11°C (53°F)	40 mm (1.6 inches)	70%	high
May Weather	17°C (62°F)	71 mm (2.8 inches)	72%	very high
June Weather	21°C (69°F)	135 mm (5.3 inches)	66%	very high
July Weather	23°C (73°F)	82 mm (3.2 inches)	62%	very high
August Weather	24°C (75°F)	31 mm (1.2 inches)	48%	very high
September Weather	19°C (67°F)	23 mm (0.9 inches)	58%	high
October Weather	13°C (56°F)	60 mm (2.3 inches)	78%	moderate
November Weather	8°C (47°F)	51 mm (2.0 inches)	85%	moderate
December Weather	3°C (38°F)	66 mm (2.6 inches)	87%	low