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September Weather in Ilijas, Bosnia and Herzegovina

Last updated: August 22, 2025

In Ilijas, Bosnia and Herzegovina, the average temperature in September hovers around 16°C (60°F). Expect some variability, with minimums dipping to 0°C (32°F) and maximums soaring up to 31°C (88°F). This month typically brings about 42 mm (1.7 in) of precipitation spread over 9 days, while humidity averages at a comfortable 65%.

September Temperature in Ilijas

In September in Ilijas, the average temperature is 16°C (60°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 0°C (32°F). This varied climate makes it ideal for travelers to pack both warm and light clothing for a comfortable stay.

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

The chart illustrates September temperature patterns in Ilijas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilijas, September typically has an average temperature of 16°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303741485664676860514436
Data source: Temperature data for Ilijas 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 Ilijas

In Ilijas in September, the precipitation amount is 42 mm (1.7 in) spread over 9 days.

September Precipitation Trends in Ilijas

The chart displays monthly precipitation patterns in Ilijas, 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 Ilijas, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6980869011611110563427373131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ilijas

In Ilijas in September, humidity is 65%. With an average temperature of 16°C (60°F), this humidity feels like a gentle blanket wrapping around you, making outdoor activities feel both refreshing and slightly heavy, perfect for leisurely strolls but perhaps a bit uncomfortable for rigorous exploration.

September Average Humidity in Ilijas

This chart illustrates the average monthly humidity levels in Ilijas, 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 Ilijas is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ilijas

In Ilijas 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 Ilijas.

Maximum UV Index Levels in Ilijas for September

The chart shows the monthly maximum UV Index (UVI) for Ilijas 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 Ilijas typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Ilijas 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 Ilijas Compares to Other Months

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

This table compares monthly weather conditions in Ilijas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)69 mm (2.7 inches)88%low
February Weather3°C (37°F)80 mm (3.2 inches)82%moderate
March Weather5°C (41°F)86 mm (3.4 inches)79%high
April Weather9°C (49°F)90 mm (3.5 inches)75%high
May Weather13°C (56°F)116 mm (4.6 inches)74%very high
June Weather18°C (64°F)111 mm (4.4 inches)66%very high
July Weather19°C (67°F)104 mm (4.1 inches)59%very high
August Weather20°C (68°F)63 mm (2.5 inches)53%very high
September Weather16°C (60°F)42 mm (1.7 inches)65%high
October Weather11°C (51°F)73 mm (2.9 inches)78%moderate
November Weather7°C (44°F)73 mm (2.9 inches)85%moderate
December Weather2°C (36°F)131 mm (5.1 inches)86%low

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