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September Weather in Radomir, Bulgaria

Last updated: August 22, 2025

In September, the average temperature in Radomir, Bulgaria hovers around 17°C (63°F). Expect a range from a brisk -1°C (31°F) to a warm 33°C (92°F). With an average precipitation of 25 mm (1.0 in) spread over 3 days, it’s wise to carry an umbrella. The average humidity level is 59%, adding a touch of moisture to the air.

September Temperature in Radomir

In September in Radomir, the average temperature is 17°C (63°F). Maximum temperatures can reach as high as 33°C (92°F), while minimums can drop to as low as -1°C (31°F). Therefore, it's advisable to pack layers and be prepared for both warm days and chilly nights while traveling.

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

The chart illustrates September temperature patterns in Radomir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Radomir, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313742505966707163524436
Data source: Temperature data for Radomir 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 Radomir

In Radomir in September, the precipitation amount is 25 mm (1.0 in) over the course of 3 days.

September Precipitation Trends in Radomir

The chart displays monthly precipitation patterns in Radomir, 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 Radomir, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec564775534758502425453880
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Radomir

In Radomir in September, humidity is 59%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as long as you're prepared for occasional mugginess.

September Average Humidity in Radomir

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

In Radomir 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 Radomir.

Maximum UV Index Levels in Radomir for September

The chart shows the monthly maximum UV Index (UVI) for Radomir 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 Radomir typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097632
Data source: Radomir 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 Radomir Compares to Other Months

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

This table compares monthly weather conditions in Radomir, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)56 mm (2.2 inches)89%low
February Weather3°C (38°F)47 mm (1.9 inches)85%moderate
March Weather6°C (42°F)75 mm (2.9 inches)83%high
April Weather10°C (50°F)53 mm (2.1 inches)71%very high
May Weather15°C (59°F)47 mm (1.8 inches)73%very high
June Weather19°C (66°F)58 mm (2.3 inches)67%very high
July Weather21°C (70°F)50 mm (2.0 inches)68%very high
August Weather22°C (71°F)24 mm (0.9 inches)50%very high
September Weather17°C (63°F)25 mm (1.0 inches)59%high
October Weather11°C (53°F)45 mm (1.8 inches)79%high
November Weather6°C (44°F)38 mm (1.5 inches)87%moderate
December Weather2°C (36°F)80 mm (3.2 inches)89%low

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