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September Weather in Pirdop, Bulgaria

Last updated: August 22, 2025

In September, the average temperature in Pirdop, Bulgaria hovers around 16°C (61°F). Expect a wide range, with minimum temperatures dipping to 0°C (32°F) and highs reaching up to 31°C (87°F). This month also brings 43 mm (1.7 in) of precipitation over approximately 6 days, contributing to an average humidity of 59%.

September Temperature in Pirdop

In September in Pirdop, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures when planning your travel to Pirdop during this month.

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

The chart illustrates September temperature patterns in Pirdop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pirdop, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec283539475663676860504234
Data source: Temperature data for Pirdop 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 Pirdop

In Pirdop in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Pirdop

The chart displays monthly precipitation patterns in Pirdop, 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 Pirdop, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec565589791391841476043665477
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pirdop

In Pirdop in September, humidity is 59%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing yet slightly damp embrace, making it a comfortable time for sightseeing and exploring, although you might want to carry a light jacket for the occasional chill.

September Average Humidity in Pirdop

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

In Pirdop 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 Pirdop.

Maximum UV Index Levels in Pirdop for September

The chart shows the monthly maximum UV Index (UVI) for Pirdop 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 Pirdop typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2477910997632
Data source: Pirdop 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 Pirdop Compares to Other Months

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

This table compares monthly weather conditions in Pirdop, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)56 mm (2.2 inches)89%low
February Weather1°C (35°F)55 mm (2.2 inches)85%moderate
March Weather4°C (39°F)89 mm (3.5 inches)83%high
April Weather9°C (48°F)79 mm (3.1 inches)71%high
May Weather13°C (56°F)139 mm (5.5 inches)73%very high
June Weather17°C (63°F)184 mm (7.2 inches)67%very high
July Weather19°C (67°F)147 mm (5.8 inches)68%very high
August Weather20°C (68°F)60 mm (2.4 inches)50%very high
September Weather16°C (61°F)43 mm (1.7 inches)59%high
October Weather10°C (51°F)66 mm (2.6 inches)79%high
November Weather5°C (42°F)54 mm (2.1 inches)87%moderate
December Weather1°C (34°F)77 mm (3.0 inches)89%low

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