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September Weather in Kotel, Bulgaria

Last updated: August 22, 2025

The average temperature in Kotel, Bulgaria during September hovers around 18°C (65°F). Expect a minimum of 2°C (35°F) and a maximum of 32°C (89°F), providing a comfortable range for outdoor activities. Precipitation is relatively low, with just 28 mm (1.1 in) spread over 5 days, and the average humidity sits at 58%, making it a pleasant time to explore the region.

September Temperature in Kotel

In September in Kotel, the average temperature is 18°C (65°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 2°C (35°F). This diverse temperature range makes Kotel an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Kotel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotel, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec323741505966717264544537
Data source: Temperature data for Kotel generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kotel

In Kotel in September, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Kotel

The chart displays monthly precipitation patterns in Kotel, 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 Kotel, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5857775988140783428705986
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kotel

In Kotel in September humidity is 58%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, creating a comfortable yet slightly muggy atmosphere perfect for leisurely exploration.

September Average Humidity in Kotel

This chart illustrates the average monthly humidity levels in Kotel, 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 Kotel is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kotel

In Kotel 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 Kotel.

Maximum UV Index Levels in Kotel for September

The chart shows the monthly maximum UV Index (UVI) for Kotel 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 Kotel typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Kotel 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 Kotel Compares to Other Months

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

This table compares monthly weather conditions in Kotel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)58 mm (2.3 inches)88%low
February Weather3°C (37°F)57 mm (2.2 inches)84%moderate
March Weather5°C (41°F)77 mm (3.0 inches)81%high
April Weather10°C (50°F)59 mm (2.3 inches)70%high
May Weather15°C (60°F)88 mm (3.5 inches)72%very high
June Weather19°C (67°F)140 mm (5.5 inches)66%very high
July Weather22°C (71°F)78 mm (3.1 inches)62%very high
August Weather22°C (72°F)34 mm (1.3 inches)48%very high
September Weather18°C (65°F)28 mm (1.1 inches)58%high
October Weather12°C (54°F)70 mm (2.7 inches)78%moderate
November Weather7°C (45°F)59 mm (2.3 inches)85%moderate
December Weather3°C (38°F)86 mm (3.4 inches)87%low

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