nomadseason

September Weather in Iskar, Bulgaria

Last updated: August 22, 2025

In Iskar, Bulgaria, the average temperature in September reaches a pleasant 21°C (69°F). However, be prepared for a range: temperatures can dip to a chilly 3°C (38°F) or soar up to a sizzling 37°C (98°F). During this month, anticipate around 15 mm (0.6 in) of precipitation spread across 3 days, accompanied by an average humidity level of 59%.

September Temperature in Iskar

In September in Iskar, the average temperature is 21°C (69°F). Maximums can reach 37°C (98°F), while minimums can drop as low as 3°C (38°F). Pack accordingly, as the weather can vary significantly during your travels.

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

The chart illustrates September temperature patterns in Iskar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iskar, September typically has an average temperature of 21°C (69°F), with highs reaching up to 37°C (98°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec333945556572767869574638
Data source: Temperature data for Iskar 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 Iskar

In Iskar in September, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

September Precipitation Trends in Iskar

The chart displays monthly precipitation patterns in Iskar, 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 Iskar, September typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec404074426996752915604252
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Iskar

In Iskar in September, humidity is 59%. With an average temperature of 21°C (69°F), this humidity feels like a comfortable embrace, making it ideal for exploring local attractions without the discomfort of excessive heat or stickiness.

September Average Humidity in Iskar

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

In Iskar 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 Iskar.

Maximum UV Index Levels in Iskar for September

The chart shows the monthly maximum UV Index (UVI) for Iskar 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 Iskar typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Iskar 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 Iskar Compares to Other Months

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

This table compares monthly weather conditions in Iskar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)40 mm (1.6 inches)89%low
February Weather4°C (39°F)40 mm (1.6 inches)85%moderate
March Weather7°C (45°F)74 mm (2.9 inches)83%high
April Weather13°C (55°F)42 mm (1.6 inches)71%high
May Weather18°C (65°F)69 mm (2.7 inches)73%very high
June Weather22°C (72°F)96 mm (3.8 inches)67%very high
July Weather24°C (76°F)75 mm (3.0 inches)68%very high
August Weather25°C (78°F)29 mm (1.1 inches)50%very high
September Weather21°C (69°F)15 mm (0.6 inches)59%high
October Weather14°C (57°F)60 mm (2.4 inches)79%moderate
November Weather8°C (46°F)42 mm (1.7 inches)87%moderate
December Weather3°C (38°F)52 mm (2.0 inches)89%low

Compare Iskar's Climate with Cities Worldwide