nomadseason

September Weather in Ostra Luka, Bosnia and Herzegovina

Last updated: August 22, 2025

In September, the average temperature in Ostra Luka, Bosnia and Herzegovina hovers around 16°C (62°F). However, temperatures can vary significantly, with a minimum of 1°C (34°F) and a scorching maximum of 33°C (93°F). Expect about 96 mm (3.8 in) of precipitation spread over 9 days, contributing to an average humidity of 62%.

September Temperature in Ostra Luka

In September in Ostra Luka, the average temperature is 16°C (62°F). Maximum temperatures can reach 33°C (93°F), while minimums can drop as low as 1°C (34°F). This variability makes it essential for travelers to pack for both warm and cool conditions.

September Weather in Ostra Luka: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ostra Luka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostra Luka, September typically has an average temperature of 16°C (62°F), with highs reaching up to 33°C (93°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec333943525968707161534538
Data source: Temperature data for Ostra Luka 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 Ostra Luka

In Ostra Luka in September, the total precipitation amount is 96 mm (3.8 in) spread over a period of 9 days.

September Precipitation Trends in Ostra Luka

The chart displays monthly precipitation patterns in Ostra Luka, 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 Ostra Luka, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec73817894147109114839610592115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ostra Luka

In Ostra Luka in September, humidity is 62%. With an average temperature of 16°C (62°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities a bit sticky but still comfortable if you plan to explore at a leisurely pace.

September Average Humidity in Ostra Luka

This chart illustrates the average monthly humidity levels in Ostra Luka, 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 Ostra Luka is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ostra Luka

In Ostra Luka 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 Ostra Luka.

Maximum UV Index Levels in Ostra Luka for September

The chart shows the monthly maximum UV Index (UVI) for Ostra Luka 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 Ostra Luka typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810987532
Data source: Ostra Luka 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 Ostra Luka Compares to Other Months

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

This table compares monthly weather conditions in Ostra Luka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)73 mm (2.9 inches)89%low
February Weather4°C (40°F)81 mm (3.2 inches)83%moderate
March Weather6°C (44°F)78 mm (3.1 inches)75%moderate
April Weather11°C (52°F)94 mm (3.7 inches)72%high
May Weather15°C (59°F)147 mm (5.8 inches)70%very high
June Weather20°C (68°F)109 mm (4.3 inches)69%very high
July Weather21°C (70°F)114 mm (4.5 inches)64%very high
August Weather22°C (71°F)83 mm (3.3 inches)51%very high
September Weather16°C (62°F)96 mm (3.8 inches)62%high
October Weather12°C (53°F)105 mm (4.1 inches)81%moderate
November Weather7°C (45°F)92 mm (3.6 inches)87%moderate
December Weather3°C (38°F)115 mm (4.5 inches)88%low

Compare Ostra Luka's Climate with Cities Worldwide