nomadseason

September Weather in Sentjernej, Slovenia

Last updated: August 27, 2025

In Sentjernej, Slovenia, the average temperature in September is a comfortable 16°C (61°F). Expect fluctuating temperatures that range from a chilly 2°C (36°F) to a warm 32°C (89°F). With an average precipitation of 144 mm (5.7 in) over 12 days, plan for some rainy moments, and enjoy the lush greenery. Additionally, the average humidity sits at 62%, creating a pleasantly mild atmosphere.

September Temperature in Sentjernej

In September in Sentjernej, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (89°F), while the minimum can drop as low as 2°C (36°F). Be prepared for a variety of weather conditions when planning your travels!

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

The chart illustrates September temperature patterns in Sentjernej, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sentjernej, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec333943515968707161534437
Data source: Temperature data for Sentjernej 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 Sentjernej

In Sentjernej in September, the precipitation amount is 144 mm (5.7 in) over the course of 12 days.

September Precipitation Trends in Sentjernej

The chart displays monthly precipitation patterns in Sentjernej, 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 Sentjernej, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec53816487165105114106144103111108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sentjernej

In Sentjernej in September, humidity is 62%. With an average temperature of 16°C (61°F), this humidity feels like a gentle blanket, making traveling comfortable yet occasionally sticky, prompting the need for light, breathable clothing to fully enjoy the sights.

September Average Humidity in Sentjernej

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

In Sentjernej in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sentjernej, you can refer to this Hourly UV Index in Sentjernej.

Maximum UV Index Levels in Sentjernej for September

The chart shows the monthly maximum UV Index (UVI) for Sentjernej 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 Sentjernej typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Sentjernej 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 Sentjernej Compares to Other Months

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

This table compares monthly weather conditions in Sentjernej, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)53 mm (2.1 inches)89%low
February Weather4°C (39°F)81 mm (3.2 inches)83%moderate
March Weather6°C (44°F)64 mm (2.5 inches)75%moderate
April Weather11°C (52°F)87 mm (3.4 inches)72%high
May Weather15°C (59°F)165 mm (6.5 inches)70%very high
June Weather20°C (69°F)105 mm (4.1 inches)69%very high
July Weather21°C (71°F)114 mm (4.5 inches)64%very high
August Weather21°C (71°F)106 mm (4.2 inches)51%very high
September Weather16°C (61°F)144 mm (5.7 inches)62%high
October Weather12°C (53°F)103 mm (4.0 inches)81%moderate
November Weather7°C (44°F)111 mm (4.4 inches)87%moderate
December Weather3°C (37°F)108 mm (4.3 inches)88%low

Compare Sentjernej's Climate with Cities Worldwide