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September Weather in Osilnica, Slovenia

Last updated: August 27, 2025

In September, the average temperature in Osilnica, Slovenia is a pleasant 15°C (59°F), with minimums dipping to 2°C (36°F) and rising to a warm 28°C (82°F). Expect a total precipitation of around 172 mm (6.8 in) over 12 days, contributing to an average humidity of 64%. Perfect for those who enjoy a balance of warmth and occasional rain!

September Temperature in Osilnica

In September in Osilnica, the average temperature is 15°C (59°F). Maximums can reach 28°C (82°F), and minimums can drop as low as 2°C (36°F). Pack accordingly for a comfortable trip, as temperatures can vary widely throughout the day.

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

The chart illustrates September temperature patterns in Osilnica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osilnica, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323741485666686859514336
Data source: Temperature data for Osilnica 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 Osilnica

In Osilnica in September, the precipitation amount reaches 172 mm (6.8 in) over the course of 12 days.

September Precipitation Trends in Osilnica

The chart displays monthly precipitation patterns in Osilnica, 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 Osilnica, September typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8113610211119010612498172137154171
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osilnica

In Osilnica in September humidity is 64%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making traveling comfortable yet slightly sticky; perfect for leisurely strolls but perhaps a bit challenging for those sensitive to heat.

September Average Humidity in Osilnica

This chart illustrates the average monthly humidity levels in Osilnica, 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 Osilnica is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Osilnica

In Osilnica 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 Osilnica.

Maximum UV Index Levels in Osilnica for September

The chart shows the monthly maximum UV Index (UVI) for Osilnica 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 Osilnica typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Osilnica 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 Osilnica Compares to Other Months

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

This table compares monthly weather conditions in Osilnica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)81 mm (3.2 inches)88%low
February Weather3°C (38°F)136 mm (5.4 inches)82%moderate
March Weather5°C (41°F)102 mm (4.0 inches)73%moderate
April Weather9°C (49°F)111 mm (4.4 inches)73%high
May Weather13°C (56°F)190 mm (7.5 inches)70%very high
June Weather19°C (66°F)106 mm (4.2 inches)69%very high
July Weather20°C (68°F)124 mm (4.9 inches)63%very high
August Weather20°C (69°F)98 mm (3.9 inches)51%very high
September Weather15°C (59°F)172 mm (6.8 inches)64%high
October Weather11°C (51°F)137 mm (5.4 inches)83%moderate
November Weather6°C (43°F)154 mm (6.1 inches)89%moderate
December Weather2°C (36°F)171 mm (6.7 inches)88%low

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