September Weather in Karnobat, Bulgaria

Last updated: August 22, 2025

In September, the average temperature in Karnobat, Bulgaria is a pleasant 19°C (67°F), with variations that can dip to a cool 4°C (40°F) and peak at a warm 32°C (89°F). While you can expect an average precipitation of 23 mm (0.9 in) spread over 5 days, the air tends to be fairly comfortable with an average humidity of 58%. Enjoy the diverse weather this season brings!

September Temperature in Karnobat

In September in Karnobat, the average temperature is 19°C (67°F), with maximums that can reach 32°C (89°F) and minimums that can drop as low as 4°C (40°F). This diverse range of temperatures makes it essential for travelers to pack accordingly, preparing for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Karnobat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karnobat, September typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Karnobat

In Karnobat in September, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

September Precipitation Trends in Karnobat

The chart displays monthly precipitation patterns in Karnobat, 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 Karnobat, September typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 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 Karnobat

In Karnobat 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 Karnobat

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

In Karnobat 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 Karnobat.

Maximum UV Index Levels in Karnobat for September

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

Data source: Karnobat 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 Karnobat Compares to Other Months

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

This table compares monthly weather conditions in Karnobat, 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 (35°F)	60 mm (2.4 inches)	88%	low
February Weather	4°C (40°F)	47 mm (1.9 inches)	84%	moderate
March Weather	6°C (44°F)	63 mm (2.5 inches)	81%	high
April Weather	11°C (51°F)	51 mm (2.0 inches)	70%	high
May Weather	16°C (61°F)	62 mm (2.5 inches)	72%	very high
June Weather	20°C (69°F)	119 mm (4.7 inches)	66%	very high
July Weather	23°C (73°F)	57 mm (2.3 inches)	62%	very high
August Weather	23°C (75°F)	23 mm (0.9 inches)	48%	very high
September Weather	19°C (67°F)	23 mm (0.9 inches)	58%	high
October Weather	14°C (57°F)	64 mm (2.5 inches)	78%	high
November Weather	9°C (48°F)	49 mm (1.9 inches)	85%	moderate
December Weather	5°C (41°F)	76 mm (3.0 inches)	87%	low