nomadseason

September Weather in Slivnitsa, Bulgaria

Last updated: August 22, 2025

In Slivnitsa, Bulgaria, the average temperature during September is a comfortable 17°C (62°F). However, be prepared for a range of temperatures, as it can dip as low as -2°C (29°F) or soar up to 32°C (90°F). Expect a modest precipitation amount of 24 mm (0.9 in) over the course of 4 days, with an average humidity of 59%, contributing to a pleasant atmosphere overall.

September Temperature in Slivnitsa

In September, in Slivnitsa, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Slivnitsa an intriguing destination for travelers, offering opportunities for both warm and cool outdoor activities.

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

The chart illustrates September temperature patterns in Slivnitsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slivnitsa, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303741495865697062514335
Data source: Temperature data for Slivnitsa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Slivnitsa

In Slivnitsa in September, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

September Precipitation Trends in Slivnitsa

The chart displays monthly precipitation patterns in Slivnitsa, 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 Slivnitsa, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec564774525262532624453775
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Slivnitsa

In Slivnitsa in September humidity is 59%. With an average temperature of 17°C (62°F), this humidity feels like a refreshing but slightly sticky embrace, making travel enjoyable yet requiring a light layer to stay comfortable as you explore the surroundings.

September Average Humidity in Slivnitsa

This chart illustrates the average monthly humidity levels in Slivnitsa, 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 Slivnitsa is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Slivnitsa

In Slivnitsa 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 Slivnitsa.

Maximum UV Index Levels in Slivnitsa for September

The chart shows the monthly maximum UV Index (UVI) for Slivnitsa 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 Slivnitsa typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24779101097632
Data source: Slivnitsa 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 Slivnitsa Compares to Other Months

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

This table compares monthly weather conditions in Slivnitsa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)56 mm (2.2 inches)89%low
February Weather3°C (37°F)47 mm (1.8 inches)85%moderate
March Weather5°C (41°F)74 mm (2.9 inches)83%high
April Weather10°C (50°F)52 mm (2.0 inches)71%high
May Weather14°C (58°F)52 mm (2.0 inches)73%very high
June Weather18°C (65°F)62 mm (2.4 inches)67%very high
July Weather20°C (69°F)53 mm (2.1 inches)68%very high
August Weather21°C (70°F)26 mm (1.0 inches)50%very high
September Weather17°C (62°F)24 mm (0.9 inches)59%high
October Weather11°C (52°F)45 mm (1.8 inches)79%high
November Weather6°C (43°F)37 mm (1.4 inches)87%moderate
December Weather2°C (35°F)74 mm (2.9 inches)89%low

Compare Slivnitsa's Climate with Cities Worldwide