September Weather in Kermen, Bulgaria

Last updated: August 22, 2025

In September, the average temperature in Kermen, Bulgaria is a comfortable 21°C (70°F), with nightly lows dipping to a cool 4°C (40°F) and daytime highs reaching a warm 35°C (95°F). Expect 16 mm (0.6 in) of precipitation over about 3 days, while the air carries an average humidity of 58%. Enjoy the mild weather as you explore this charming locale!

September Temperature in Kermen

In September in Kermen, the average temperature is 21°C (70°F). Maximum temperatures can reach up to 35°C (95°F), while minimum temperatures can drop as low as 4°C (40°F). Be prepared for a range of temperatures, so pack versatile clothing for your trip.

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

The chart illustrates September temperature patterns in Kermen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kermen, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Kermen

In Kermen in September, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

September Precipitation Trends in Kermen

The chart displays monthly precipitation patterns in Kermen, 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 Kermen, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 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 Kermen

In Kermen in September, humidity is 58%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, creating a tropical atmosphere that's perfect for leisurely strolls but may require frequent breaks to stay hydrated during your travels.

September Average Humidity in Kermen

This chart illustrates the average monthly humidity levels in Kermen, 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 Kermen 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 Kermen

In Kermen 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 Kermen.

Maximum UV Index Levels in Kermen for September

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

Data source: Kermen 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 Kermen Compares to Other Months

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

This table compares monthly weather conditions in Kermen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	51 mm (2.0 inches)	88%	low
February Weather	5°C (41°F)	44 mm (1.7 inches)	84%	moderate
March Weather	7°C (45°F)	57 mm (2.3 inches)	81%	high
April Weather	12°C (54°F)	40 mm (1.6 inches)	70%	high
May Weather	17°C (64°F)	44 mm (1.8 inches)	72%	very high
June Weather	22°C (71°F)	73 mm (2.9 inches)	66%	very high
July Weather	25°C (76°F)	39 mm (1.5 inches)	62%	very high
August Weather	25°C (78°F)	13 mm (0.5 inches)	48%	very high
September Weather	21°C (70°F)	16 mm (0.6 inches)	58%	high
October Weather	14°C (58°F)	64 mm (2.5 inches)	78%	high
November Weather	9°C (49°F)	53 mm (2.1 inches)	85%	moderate
December Weather	5°C (41°F)	80 mm (3.1 inches)	87%	low